<<<<<<<<<<<<<<<<<<<<<< BEG. OF FILE >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (c) Cervenka Consulting 2000-2012 ----------------------------------------- RELEASE NOTES FOR ATENA version 4.3.0k (Build 12/02/21 rev.6801, GUI 3D 4.3.0.0 06.02.2012, 2D 4.3.0.0 27.02.2012, ATENA-GiD scripts rev. 6739) ----------------------------------------- Modified on February 27th, 2012 by Dobromil Pryl CONTENTS: ========= 1. INTRODUCTION 2. INSTALLATION 2.1 ATENA 2D 2.2 ATENA 3D 2.3 AtenaConsole 2.4 AtenaWin 2.5 FEMAP Interface 2.6 GID Interface 2.7 Installation of a network hardlock 3. DOCUMENTATION 4. PROGRAM EXECUTION 5. KNOWN AND NEW PROBLEMS 6. NEW FEATURES AND BUG FIXES 7. CONTACTS 1. INTRODUCTION This document contains release notes for ATENA version 4.3.0 All bugs and problems should be reported by e-mail to cervenka@cervenka.cz. 2. INSTALLATION First make sure that your ATENA hardlock is connected to your computer. It is recommended to uninstall any previous versions of ATENA software from your computer. In some cases it may be necessary to manually remove the directory "c:\Program Files\CervenkaConsulting". Execute the program ATENA_V4xx_Install.exe, which is located on your distribution medium. This can be either a CD or a compressed archive, if you downloaded the program from the Internet. The installation program will guide you through the installation process. The intallation sometimes needs to upgrade some of your system files. In this case you will be asked to restart your computer. For a silent intallation, i.e., no questions, default settings, you can run the installer with the /S switch. 2.1 ATENA Engineering 2D During the installation process you will be asked to select the required components. ATENA 2D is one of the available components. This program allows you to perform non-linear finite element simulation of concrete or reinforced concrete structures using two-dimensional finite element models. This program contains a graphical user interface for data-preparation, analysis control and monitoring and for the post-processing. 2.2 ATENA Engineering 3D ATENA 3D is a similar graphical environment as ATENA 2D, but it provides the same functionality for full three-dimensional analysis. This program allows you to perform non-linear finite element simulation of concrete or reinforced concrete structures using three-dimensional finite element models. This program contains a graphical user interface for data-preparation, analysis control and monitoring and for the post-processing. 2.3 AtenaConsole AtenaConsole is additional component, which allows you to execute ATENA finite element calculations in a batch mode environment. It can be used for two-dimensional as well as 3D analyses. 2.4 AtenaWin AtenaWin is additional component, which allows you to execute ATENA finite element calculations in a batch mode environment. It can be used for two-dimensional as well as 3D analyses. It differs from AtenaConsole by a simple graphical environment that allows users to visualize results and data from finite element calculations. It also contains mesh generation capabilities if a boundary representation of the model is provided. It is especially suitable for expert users that need to exploit the additional functionality of the FE solution core that is not supported by the ATENA 2D and 3D graphical environment. 2.5 FEMAP Interface If this component is selected, interface modules for data exchange between ATENA and FEMAP will be installed on your computer. The data exchange interface is a set of Easy Basic scripts, which can be executed from FEMAP by selecting the menu File|Program|Run Script. The Easy Basic scripting is available only in FEMAP version 7 and older. ATENA-FEMAP interface is not available for FEMAP version 8. For faster access it is possible to execute the scripts directly from the FEMAP menu. For this you will need a file which is located in ATENA directory FEMAP, and is named menu.esp. In this file you should replace the string %ATENA_SCRIPTS_DIR% with an appropriate path to the directory where ATENA-FEMAP scripts are located. These scripts can be found in Atena directory in subdirectory FEMAP\Scripts. Then copy the file menu.esp into the FEMAP directory. On Windows 95 and 98 operating system it is necessary to define the following environmental variable set AtenaConsole="C:\Program Files\CervenkaConsulting\Atena v3\AtenaConsole.exe" set AtenaWin="C:\Program Files\CervenkaConsulting\Atena v3\AtenaWin.exe" where the path should be correctly to the directory, where the program AtenaConsole and AtenaWin programs are located. On Windows NT this variable is created automatically during the program installation. In order to be able to define material properties for ATENA directly in FEMAP, a file matl_def.esp should be copied into the FEMAP directory. This file is located in Atena directory in the subdirectory FEMAP\Materials. This file can be copied into the FEMAP directory, however since it may overwrite some of your material custom definitions, it might be better just to add its content to the file with the same name in your FEMAP directory. 2.6 ATENA Science ATENA-GiD Interface If this component is selected, interface modules for data exchange between ATENA and GiD will be installed on your computer. GiD can be used as a 3D and 2D pre- and post-processor for ATENA. Currently, the postprocessing is limited in some respects in GiD. The post-processing can also be done in AtenaWin or Atena3DPost. Only the demo version of GiD is currently distributed with the ATENA software. The demo version is limited to 1000 elements. GiD can be used to prepare numerical models for very complex structures. It also supports imports from various modelling standards. The full licence of GiD can be obtained from ATENA distributors. More information about GiD can be obtained at the internet address: http://www.gidhome.com/ During the installation you will be prompted if you want to install demo version of GiD and ATENA-GiD interface. If you want to use ATENA along with GiD please select the appropriate boxes. In order to execute ATENA directly from GiD on Windows 95 and 98 operating system it is necessary to define the following environmental variable set AtenaWin="C:\Program Files\CervenkaConsulting\AtenaV4\AtenaWin.exe" set Atena3DPost="C:\Program Files\CervenkaConsulting\AtenaV4\Atena3D_1_EN.exe" where the path should be correctly to the directory, where the programs are located. On Windows NT, 2000, XP, Vista, 7 this variable is created automatically during the program installation. The distributed ATENA-GiD interface supports GiD version 7.7.2b and later, for details, see viz GiD\Problemtypes\AtenaV4\Readme.txt 2.7 Installation of NetHasp network hardlock. This section describes how to install the network hardlock for program ATENA. If you had requested a network version of ATENA, you received a red NetHasp hardlock. This hardlock can be plugged into the parallel port of an arbitraty computer in your local area network (LAN). The program ATENA can then be installed on any computer connected to this network and running Windows 2000/XP/Vista/7 system (32 or 64 bit). The good practice is to place the content of the installation CD on the server, so that everybody can install it on his or her computer. When ATENA is executed on a client computer, it first checks if a valid Hasp hardlock is connected to the computer. If it cannot find a hardlock on the local computer it searches the network for a NetHasp hardlock. After the NetHasp is located, the program attempts to log into the NetHasp hardlock. If there are more workstations currently using ATENA then is the allowed limit, the login is refused and ATENA cannot be used. In order to use the network hardlock, the red NetHasp hardlock key must be connected to at least one computer in the LAN, and the NetHasp License Manager must be running on this computer. The NetHasp License Manager for Windows 2000/XP/Vista/7 is located in the directory \Common Files\Fine Shared\System and is called lmsetup.exe. It can be executed directly from there to install the license manager or after the installation of ATENA it is also available from the Task bar menu: Start | Programs | Cervenka Consulting. It is important to realize that the computer with the network hardlock and NetHasp license manager must be running, in order for the client computers to be able to access it and log into the NetHasp. Some problems may occur, if for some reason an ATENA sesion on a client computer fails to end correctly, due to a computer or program crash. In this case, the program did not log out of the NetHasp License Manager, and one license can be blocked for others to use. There are two solutions to this problem. Either ATENA can be started again and the blocked license will be freed after the program is correctly terminated. Or NetHasp License Manager can be stopped and restared again. This will reset the number of available licenses back to the original number. This should be done, however, only at times when there are no clients using ATENA. It is important to note that if ATENA is executed several times on a single computer, this scenario will consume only one license in the NetHasp License Manager. 3. DOCUMENTATION The installation contains the following documentation in electronic format. In order to view the documentation PDF reader must be installed on your computer. Such a reader can be for instance obtained free of charge at the internet address http://www.adobe.com/products/acrobat/readstep.html. [1] Theory Manual for ATENA. This document explains the theorethical formulations, which are used in ATENA including element formulation, constitutive models and non-linear solvers. [2] ATENA Engineering 2D and 3D User's manuals This document describes the usage of ATENA 2D and 3D environments. [3] Example Manual for ATENA Engineering 2D+3D, ATENA Science GiD Describes the example problems for ATENA 2D and 3D, and ATENA-GiD located in the Examples directory. [4] Tutorials for ATENA Engineering 2D, 3D, and ATENA Science These documents provide step by step introductions to the usage of the programs ATENA Engineering and Science. [5] ATENA-FEMAP User's Guide. This document explains how to exchange data between FEMAP and ATENA using scripts. FEMAP is used for pre and post-processing. ATENA is used for non-linear analysis only. [6] Atena Input File Format. This document contains the description of ATENA input file format. This input file can be created by user or by FEMAP. The analysis can be executed from command line by executing AtenaConsole program. [7] AtenaWin User's Manual Describes the usage of the AtenaWin tool for running FE analysis using a batch model in a simple graphical environment. [8] ATENA-GiD User's Manual Describes the data-preparation using GiD pre-processor with ATENA Science. [9] T3D User Guide Describes the mesh generator used in ATENA Engineering 3D and also available directly from the ATENA Kernel. [10] User Material DLL Explains hot to define a user material by providing a Dynamic Link Library with the material response functions. [11] ATENA Troubleshooting Reference for ATENA error and warning messages and solutions to frequent problems with analysis using ATENA. 4. PROGRAM EXECUTION ATENA 2D is executed from Start|Programs menu on your desktop. ATENA 3D is executed from Start|Programs menu on your desktop. AtenaConsole is executed either directly from GiD or FEMAP or from a command line by typing: %AtenaConsole% [OPTIONS] input_file output_file message_file error_file FEMAP-ATENA interface is started either from FEMAP toolbox menu or directly from FEMAP Menu item Atena. AtenaWin is executed either directly from Start menu or from a command line by typing: %AtenaWin% [OPTIONS] input_file output_file message_file error_file 5. KNOWN AND NEW PROBLEMS If you experience a problem, please check the ATENA Troubleshooting Manual (ATENA-Troubleshooting.pdf), the Products » ATENA » Known problems section on our Web, http://www.cervenka.cz/products/atena/known-problems, search our forum http://www.cervenka.cz/forum/. If you can not find a solution, please report the problem by e-mail to cervenka@cervenka.cz. Do not forget to send us your model (.cc3, .cc2, or .gid, without results, ZIPped), the version you are using, your WR (ATENA user ID from the "About" dialog), and a description of the problem. Include info about your computer whenever relevant and possible (OS version, graphics card type, ...). 6. NEW FEATURES AND BUG FIXES Release version 4.3.0k, February 27th, 2012 (Build 12/02/21 rev.6801, GUI 3D 4.3.0.0 06.02.2012, 2D 4.3.0.0 27.02.2012, ATENA-GiD scripts rev. 6739) - Fixed a problem of ATENA 2D not opening the NLCem2 Material Dialog due to wrong translation text files Release version 4.3.0j, February 24th, 2012 (Build 12/02/21 rev.6801, GUI 3D 4.3.0.0 06.02.2012, 2D 4.3.0.0 23.02.2012, ATENA-GiD scripts rev. 6739) - Fixed a bug in Interface material - Small fixes in the ATENA 2D GUE - Updated examples Release version 4.3.0i, February 17th, 2012 (Build 13/02/13 rev.6725, GUI 3D 4.3.0.0 06.02.2012, 2D 4.3.0.0 06.02.2012, ATENA-GiD scripts rev. 6739) - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated ATENA Kernel - support for continuing analysis from GiD (commands JUMP and LABEL) - Small fixes in the ATENA 2D and 3D GUEs - Updated Manuals Release version 4.3.0h, February 1st, 2012 (Build 31/01/12 rev.6633, GUI 3D 4.3.0.0 31.01.2012, 2D 4.3.0.0 15.12.2011, ATENA-GiD scripts rev. 6668) - Updated a2g utility importing results into GiD for postprocessing: better support of reinforcement results, fixed a few small problems - The upgrade installer can now add the 64-bit AtenaWin and AtenaConsole - Small fixes in the ATENA 3D GUE - Typo fixes in the ATENA 2D GUE - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.3.0g, January 13th, 2012 (Build 12/01/12 rev.6555, GUI 3D 4.3.0.0 16.11.2011, 2D 4.3.0.0 15.12.2011, ATENA-GiD scripts rev. 6565) - Fixed error sometimes occuring when exiting ATENA 3D - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.3.0f, December 16th, 2011 (Build 11/12/07 rev.6400, GUI 3D 4.3.0.0 16.11.2011, 2D 4.3.0.0 15.12.2011, ATENA-GiD scripts rev. 6427) - Small fixes in the installer and the ATENA 2D GUE - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Pre-release version 4.3.0e, December 8, 2011 (Build 11/12/07 rev.6400, GUI 3D 4.3.0.0 16.11.2011, 2D 4.3.0.0 2.12.2011, ATENA-GiD scripts rev. 6366) - Fixed a problem with fatigue material (NonLinearCementitious2Fatigue) - Small fixes in the analysis kernel (shear on shells, sample times) - Small fixes in ATENA 2D and 3D GUEs - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt Pre-release version 4.3.0d, November 16, 2011 (Build 11/11/16 rev.6343, GUI 3D 4.3.0.0 16.11.2011, 2D 4.3.0.0, ATENA-GiD scripts rev. 6296) - Small fixes in the analysis kernel and ATENA 3D GUE Pre-release version 4.3.0c, November 8, 2011 (Build 11/11/08 rev.6309, GUI 3D 4.3.0.0, 2D 4.3.0.0, ATENA-GiD scripts rev. 6296) - Improvements in material for thermal analysis (CCTransportMaterialLevel7) - Fixed a problem with shear on shells - Fixed a problem with construction process in ATENA 3D - Fixed a problem restoring results with NonLinearCementitious3 material - Small improvements the analysis kernel and AtenaWin graphics - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Pre-release version 4.3.0b, October 13, 2011 (Build 11/10/13 rev.6236, GUI 3D 4.3.0.0, 2D 4.3.0.0, ATENA-GiD scripts rev. 6227) - Fixed a problem with the UNLOADING parameter in the NonLinearCementitious2 material family - Fixed a problem with shear on shells Pre-release version 4.3.0a, October 11, 2011 (Build 11/10/10 rev.6223, GUI 3D 4.3.0.0, 2D 4.3.0.0, ATENA-GiD scripts rev. 6227) - Fixed a problem in reading old results for the NonLinearCementitious2 and NonLinearCementitious2User materials - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt Pre-release version 4.3.0, October 6, 2011 (Build 11/10/06 rev.6212, GUI 3D 4.3.0.0, 2D 4.3.0.0, ATENA-GiD scripts rev. 6214) - First 64bit version of the ATENA kernel, AtenaConsole, and AtenaWin (x64) - Improved implementation of hydration heat and general heat sources/sinks (materials CCTransportMaterialLevel1-CCTransportMaterialLevel7) - Completely new graph component in AtenaWin - Added option to apply initial opening on contacts (LOAD INITIAL GAP) - Added a new parameter UNLOADING to control unloading in the NonLinearCementitious2 material family - Fixed a problem in NonLinearCementitious2User Material - Added function to check if a newer version is available - Improved connecting of beam elements (CCBeamNLConnection) - Fixed a problem causing mesh generation erros with some ATENA 3D models - Fixed a bug when copying springs in ATENA 3D - Many small fixes and changes in the kernel, AtenaWin/AtenaConsole, ATENA 3D GUE, and in the installer - New hardlock drivers included in installation: Hasp 5.95 - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.2.7g, May 31, 2011 (Build 11/05/30 rev.5844, GUI 3D 4.2.6.0, 2D 4.2.2.2, ATENA-GiD scripts rev. 5726) - Added bond material model for cyclic loads (CCBarWithMemoryBond) - Newer version of the T3D mesh generator - Fixed a bug in Interface material - Other small fixes in the kernel - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt Release version 4.2.7f, March 15, 2011 (Build 11/03/15 rev.5491, GUI 3D 4.2.6.0, 2D 4.2.2.2, ATENA-GiD scripts rev. 5473) - Fixed a bug with monitors on reinforcement - Fixed a bug in Interface material - Fixed 2 problems with boundary loads: degenerate elements, wrong thickness dependency - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.2.7e, January 25, 2011 (Build 11/01/25 rev.5226, GUI 3D 4.2.6.0, 2D 4.2.2.2, ATENA-GiD scripts rev. 5161) - Fixed displaying crack width in AtenaWin - Fixed a bug with monitors in construction process in ATENA 3D - Fixed a problem with lumped_mass and accelerogram load or master-slave connection - Fixed a problem in fatigue (correction term in stress calculation in case of introducing fatigue damage dE * eps is now disabled) - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt Release version 4.2.7d, December 10, 2010 (Build 10/12/09 rev.4968, GUI 3D 4.2.6.0, 2D 4.2.2.2, ATENA-GiD scripts rev. 4906) - Czech texts which slipped into the English version of ATENA 2D changed to English - Fixed a bug in binding reinforcement to volume elements - Fixed a bug in Fire Boundary condition - Fixed an unneccessary Floating Point Exception in Interface material - Increased tolerance for jacobians close to zero - Increased precision in sample_times calculations in dynamic analysis - Other small fixes and changes in the kernel - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.2.7c, October 20, 2010 (Build 10/08/27 rev.4476, GUI 3D 4.2.6.0, 2D 4.2.2.2, ATENA-GiD scripts rev. 4692) - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt Release version 4.2.7b, October 12, 2010 (Build 10/08/27 rev.4476, GUI 3D 4.2.6.0, 2D 4.2.2.2, ATENA-GiD scripts rev. 4595) - Updated ATENA-GiD scripts and examples, see GiD\Problemtypes\AtenaV4\Readme.txt Release version 4.2.7a, September 7, 2010 (Build 10/08/27 rev.4476, GUI 3D 4.2.6.0, 2D 4.2.2.2, ATENA-GiD scripts rev. 4528) - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt Release version 4.2.7, August 31, 2010 (Build 10/08/27 rev.4476, GUI 3D 4.2.6.0, 2D 4.2.2.2, ATENA-GiD scripts rev. 4418) - Updated ATENA-GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Modified Interface material - ellipse in the tension/shear region - First implementation of hydration heat and general heat sources/sinks (materials CCTransportMaterialLevel1-CCTransportMaterialLevel5), only in the kernel, for testing - Fatigue - correction term in stress calculation in case of introducing fatigue damage (dE * eps) - first version for testing - Fixed a bug in construction process in ATENA 3D - Many small fixes and changes in the kernel, AtenaWin/AtenaConsole, and in the installer - New hardlock drivers included in installation: Hasp 5.86 - Updated Manuals Release version 4.2.6b, March 23, 2010 (Build 09/12/01 rev.3252, GUI 3D 4.2.6.0, 2D 4.2.2.2 ATENA-GiD scripts rev. 3083) - Updated Manuals - Small fixes and changes in the installer Release version 4.2.6, December 14, 2009 (Build 09/12/01 rev.3252, GUI 3D 4.2.6.0, 2D 4.2.2.2 ATENA-GiD scripts rev. 3083) - Small fixes and changes in the 2D and 3D GUE and installer Release version 4.2.5, December 9, 2009 (Build 09/12/01 rev.3252, GUI 3D 4.2.5.0, 2D 4.2.2.1 ATENA-GiD scripts rev. 3083) - Fixed a problem with importing CCT in 2D GUE - Small fixes and changes in the 2D and 3D GUE and installer - Fixed a problem with material with random fields (for SARA) Release version 4.2.3c, November 23, 2009 (Build 09/11/20 rev.3217, GUI 4.2.3.0, ATENA-GiD scripts rev. 3083) - Temperature dependent material support for interface material - Fixed a problem with reinforcement limited to tension in ATENA 3D - Small fixes and changes in the kernel Release version 4.2.3b, November 20, 2009 (Build 09/11/05 rev.3155, GUI 4.2.3.0, ATENA-GiD scripts rev. 3083) - Updated Installer Release version 4.2.3a, November 9, 2009 (Build 09/11/05 rev.3155, GUI 4.2.3.0, ATENA-GiD scripts rev. 3083) - Updated User material documentation Release version 4.2.3, November 5, 2009 (Build 09/11/05 rev.3155, GUI 4.2.3.0, ATENA-GiD scripts rev. 3083) - Added FORTRAN User material support + example - Fix a problem with starting the 3D GUE - Updated ATENA-GiD examples Release version 4.2.2, November 2, 2009 (Build 09/11/02 rev.3127, GUI 4.2.2.0, ATENA-GiD scripts rev. 3083) - Small fixes and changes in the 2D+3D GUE Release version 4.2.1, October 19, 2009 (Build 09/09/19 rev.3067, GUI 4.2.1.0, ATENA-GiD scripts rev. 3017) - Small fixes and changes in the 2D+3D GUE Release version 4.2.0, October 7, 2009 (Build 09/09/06 rev.3018, GUI 4.2.0.0, ATENA-GiD scripts rev. 3017) - Added support for reinforcement limited to tension and aggregate interlock (AGG_SIZE) by Collins into the 2D and 3D Engineering GUE - Updated ATENA-GiD scripts and examples, see GiD\Problemtypes\AtenaV4\Readme.txt - Small fixes and changes in the kernel, AtenaWin, 2D+3D GUE, and installer - Updated Manuals Release version 4.1.5c, September 14, 2009 (Build 09/09/04 rev.2883, GUI 4.1.5.0, ATENA-GiD scripts rev. 2909) - Updated ATENA-GiD scripts and examples, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.1.5b, September 8, 2009 (Build 09/09/04 rev.2883, GUI 4.1.5.0, ATENA-GiD scripts rev. 2905) - Updated ATENA-GiD scripts and examples, see GiD\Problemtypes\AtenaV4\Readme.txt Release version 4.1.5a, September 4, 2009 (Build 09/09/04 rev.2883, GUI 4.1.5.0, ATENA-GiD scripts rev. 2882) - 2D GUI temporarily returned to 4.1.4.0 - Updated ATENA-GiD scripts and examples, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.1.5, September 2, 2009 (Build 09/08/31 rev.2854, GUI 4.1.5.0, ATENA-GiD scripts rev. 2873) - Fixed a problem with interpolation when importing temperature results into static analysis - Updated ATENA-GiD scripts and examples, see GiD\Problemtypes\AtenaV4\Readme.txt - Small fixes and changes in the kernel, AtenaWin, and installer Release version 4.1.4b, August 25, 2009 (Build 09/08/19 rev.2818, GUI 4.1.4.0, ATENA-GiD scripts rev. 2801) - Added reduction of compressive strength due to cracks (FC_REDUCTION) and aggregate interlock (AGG_SIZE) by Collins into the CC3DNonLinCementitious2 model. - Fixed problems with construction cases in ATENA 3D - Fixed a problem of Temperature Dependent Material related to Combined material. - Updated ATENA-GiD scripts and examples, see GiD\Problemtypes\AtenaV4\Readme.txt - Small fixes and changes in the kernel, AtenaWin, and installer - Updated Manuals Release version 4.1.4a, June 19, 2009 (Build 09/06/05 rev.2570, GUI 4.1.4.0, ATENA-GiD scripts rev. 2616) - Updated ATENA-GiD scripts and examples, see GiD\Problemtypes\AtenaV4\Readme.txt - Small fixes and changes in the kernel and AtenaWin - Updated Manuals Release version 4.1.4, June 10, 2009 (Build 09/06/05 rev.2570, GUI 4.1.4.0, ATENA-GiD scripts rev. 2559) - Updated Atena GiD scripts and examples, see GiD\Problemtypes\AtenaV4\Readme.txt - Improved precision when importing transport results into static analysis - Small fixes and changes in the kernel and AtenaWin - New hardlock drivers and HASP utilities included in installation: Hasp 5.70, Hasp License Manager 8.32.5.40 - Updated Manuals Release version 4.1.3g, May 28, 2009 (Build 09/05/28 rev.2545, GUI 4.1.3.0, ATENA-GiD scripts rev. 2540) - Updated Atena GiD scripts and examples, see GiD\Problemtypes\AtenaV4\Readme.txt - Fixed a problem with body load (dead weight) in ATENA 3D - Updated Manuals Release version 4.1.3f, May 15, 2009 (Build 09/05/12 rev.2465, GUI 4.1.3.0, ATENA-GiD scripts rev. 2500) - Fixed a problem in 2D temperature dependent material - User material supports 2D elements + fixed storing and restoring - Small fixes and changes in the kernel - Updated installer, GiD 9.0.4 x32 and x64 included in installation - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.1.3e, (Build 09/04/02 rev.2411) April 2, 2009 - Accelerogram load (keyword MASS_ACCELERATIONS) - CCreinforcement material can be limited to tension (keyword COMPRESSION) - Reinforcement added in construction process is now attached using reference coordinates (instead of current deformed) in ATENA 3D - Small fixes and changes in the kernel, AtenaWin, and AtenaConsole - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.1.3d, (Build 09/02/19 rev.2241) March 18, 2009 - Fixed another problem in upgrade installer - Updated Manuals Release version 4.1.3c, (Build 09/02/19 rev.2241) March 17, 2009 - Fixed a problem in upgrade installer - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.1.3b, (Build 09/02/19 rev.2241) March 6, 2009 - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.1.3a, (Build 09/02/19 rev.2241) March 2, 2009 - Fixed a GiD Post problem in GiD 8 installer - Updated Atena GiD scripts and examples, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Manuals Release version 4.1.3, (Build 09/02/19 rev.2241) February 19, 2009 - Fixed CCInterface material model (wrong algorithm for softening/hardening material + fixed interaction of normal and tangential directions) - Pre-release of user material support (CC3DUserMaterial) - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Atena Manuals Pre-release version 4.1.2, (Build 09/02/10 rev.2222) February 10, 2009 - Load coefficient for cycling crack opening in fatigue (fatigue_COD_load_coeff) - Pre-release of user material support (CC3DUserMaterial) - Small fixes and changes in display, menus, and dialogs in AtenaWin and kernel (working directory and file extensions, transport, ...) - Fixed a bug with monitoring step_convergence in ATENA 3D - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Atena Manuals Release version 4.1.1b, (Build 08/10/30) November 25, 2008 - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Atena Manuals Release version 4.1.1a, (Build 08/10/30) November 21, 2008 - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Atena Manuals Release version 4.1.1, (Build 08/10/30) November 3, 2008 - Small fixes and changes in 3D and 2D GUE - Small fixes and changes in menus, dialogs, and redrawing in AtenaWin and kernel (ZOOM_IN_FRAME and Select/Show during analysis, window caption, eigenfrequencies, nearest_ip interpolation switch, output data filter, prescribed accelerogram, shell elements) - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Atena Manuals Release version 4.1.0, (Build 08/09/22) September 23, 2008 - Added output filtering + other small fixes and changes in menus, dialogs, and redrawing in AtenaWin - Small fixes in the kernel (fatigue material, element load) - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Atena Manuals Pre-release version 4.0.0 beta6, (Build 08/09/15) September 16, 2008 - Fixed display of cycles to failure in fatigue Pre-release version 4.0.0 beta5 User Seminar, (Build 08/09/05) September 5, 2008 - Element orientation can be displayed (ELEMENT_ORIENTATION) - Changed fatigue model - additional damage based on delta COD (testing) - Fixed a problem with gap elements and with transport analysis and smeared reinforcement (idealisation check) - Fixed a problem with prescribed acceleration - Fixed a problem copying graphs from AtenaWin to clipboard - Other small changes in menus, dialogs, and redrawing in AtenaWin (geometry window scrolling, execute from line, breaking dynamic analysis, ELEMENT_OUTPUT_OPTIONS) - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Atena Manuals Pre-release version 4.0.0 beta4, (Build 08/07/31) July 31, 2008 - Small changes in menus, dialogs, and redrawing in AtenaWin (activity window domain, working directory, graph series, ...) - AtenaConsole shows the input file name in the window title bar and (again) sends a copy of the .msg/.err output to the terminal - Small changes in local coordinate systems - Fixed a problem with user functions in 3DNonLinCementitious2User and Interface materials - Fixed a problem with creep and shell elements - Fixed a problem with interface in tension after shear failure - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Atena Manuals Pre-release version 4.0.0 beta3, (Build 08/06/30) June 30, 2008 - Material CC3DNonLinCementitious2 corrected: calculated maximal cod is now checked to be always increasing. Due to the consideration of the current configuration, previously the crack band could decrease from one step to the other, this could have resulted incorrectly into decreasing the maximal cod. - Small changes in menus, dialogs, dynamic analysis, colour scale, redrawing etc. in AtenaWin - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Updated Atena Manuals - Fixed a problem with coordinate system transormations - Improved line-plane intersection routines (reinforcement generation) - Improved interpolation while importing transport analysis results with few steps into static analysis Pre-release version 4.0.0 beta2, (Build 08/04/21) April 28, 2008 - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV4\Readme.txt - Fixed installation of VisualC++ redistributables Pre-release version 4.0.0 beta, (Build 08/04/21) April 21, 2008 - Dynamic analysis and eigenfrequencies - Changed menus, dialogs and redrawing in AtenaWin, added displaying cracks, a new default window layout and a view+layout storing option - Improved color scales in AtenaWin - Fixed a problem with displaying springs in AtenaWin - Fixed a problem with monitoring, added PRINCIPAL_STRESS monitoring - Fixed a problem with displaying and construction cases - Fixed a problem with beam element (CCBeamNL_3D) Release version 3.3.2j, (Build 08/01/31) January 31, 2008 - Fixed a problem with construction cases and external cables - Fixed a problem with line load on edges shared by multiple elements - Small fixes in creep calculation - Fixed a problem that pausing AtenaWin produced CPU load Release version 3.3.2i, (Build 08/01/07) January 9, 2008 - Updated Manuals (Theory, Input file format, AtenaWin) - New tutorials for Construction Process - Fixed a problem in cycling reinforcement material (CCCyclingReinforcement) - Small fixes in nonlinear beam elements (CCBeamNL) - Small fixes and improvements in AtenaWin (display) - Fixed a problem with line load and mixed meshes - Enhanced local coordinate system support for shell elements (REF_V1_VECTOR) - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV3\Readme.txt Release version 3.3.2g with GiD Post, (Build 07/09/27) October 1, 2007 - Updated Manuals (Theory, GiD) - Postprocessing in GiD (pre-release) - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV3\Readme.txt - Fixed a problem in variable material - Fixed a problem in importing 2D temperature results - New hardlock drivers and HASP utilities included in installation: Hasp HL 5.22, Hasp HL License Manager 8.31.5.24 (August 2007), Aladdin DiagnostiX 1.10 (May 2007), Aladdin Monitor 1.4.2 Release version 3.3.2f, (Build 07/08/21) August 23, 2007 - Updated Manuals (Theory, 3D User's) - Better use of the 2GB/process memory limit in AtenaWin and AtenaConsole in 64 bit systems - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV3\Readme.txt Release version 3.3.2e, (Build 07/08/07) August 13, 2007 - Updated Manuals (Theory, GiD Interface) - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV3\Readme.txt Release version 3.3.2d, (Build 07/08/07) August 7, 2007 - Fixed a problem with prescribed deformations of zero value in Atena 3D - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV3\Readme.txt Release version 3.3.2c, (Build 07/08/02) August 3, 2007 - Atena 3D Postprocessor can now display bond slips - Supports can be defined in local coordinate system in the 3D Preprocesor - Added IsoQuad8 element - Memory requirements of boundary load reduced - Fixed a problem with sparse iterative solvers when complex boundary conditions are used - Fixed some untranslated texts in 2D GUE - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV3\Readme.txt Release version 3.3.2b, (Build 07/06/26) July 3, 2007 - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV3\Readme.txt - Updated manuals - Upgrade installer should now also work for changing a 3.3.2 installation Release version 3.3.2a, (Build 07/06/26) June 26, 2007 - ATENA runs in Windows Vista - Fixed a problem that interfaces were deleted or not created when a macroelement was added/copied or deleted in Atena 3D; with old data, application of the corrected contact checking agorithm has to be triggered by adding and deleting a macroelement - Updated Atena GiD scripts, see GiD\Problemtypes\AtenaV3\Readme.txt - Implementation of fatigue material (changed from 3.3.1) - The DCG solver can be selected in GUE - Fixed a problem with CCIsoGap2 - Fixed a problem of some BoundaryLoad being ignored (Merge) - Fixed a problem generating reinforcement in quadratic elements - Fixed a problem with construction cases - Fixed a problem with reactions and residual forces - Fixed a problem with complex supports (local coordinates) - Fixed a problem with NEAREST_IP_RECOVERY - Fixed a problem with monitoring reinforcement - Fixed a problem that after mirror-copying a macroelement with mesh, the analysis had stopped because of negative jacobians. - Small fixes and improvements in 3D GUE (color scale, editting reinforcement area, AllLayers option available for all result dimensions, copying shell macroelements keeps more parameter settings, negative crack openings not displayed etc.) Release version 3.3.1g, (Build 07/01/22) April 18, 2007 - Updated Atena GiD scripts - fixes and improvements of boundary conditions in creep, springs, and surface loads Release version 3.3.1f, (Build 07/01/22) April 3, 2007 - Updated Atena GiD scripts - fixed a problem in writing shell layer thickness, importing of transport results into static analysis, and a few other small problems Release version 3.3.1d, (Build 07/01/22) February 13, 2007 - Updated Atena FEMAP scripts - Updated Atena GiD scripts (springs) Release version 3.3.1c, (Build 07/01/22) February 12, 2007 - Updated Atena FEMAP scripts (direction vector 2D smeared reinforcement) Release version 3.3.1b, (Build 07/01/22) February 8, 2007 - Resolved a problem with moment lines + smeared reinforcement in Atena 2D - Updated Atena FEMAP scripts (checking element orientation, 2D gap thickness) Release version 3.3.1a, (Build 07/01/04) January 9, 2007 - Updated AtenaGiD scripts, see GiD\Problemtypes\AtenaV3\Readme.txt - Updated manuals (AtenaWin, Atena Input File Format) Release version 3.3.1, (Build 07/01/04) January 8, 2007 - Old (3.2.5) results containing the CC3DBiLinearVonMises material can again be read - Memory requirements for postprocessing slightly reduced - Problem corrected, which caused reading past the end of file after interrupting analysis - Problem corrected, which caused that interfaces were not removed when a macroelement was moved in Atena 3D - Problem corrected, which complained about coplanar surfaces when importing results into Atena 3D - Problem corrected, which caused Atena 3D crushing when running an imported .inp - Preliminary implementation of fatigue material (testing) - AtenaWin now waits for the iteration to finish before redrawing after changing the results to be displayed (the original approach sometimes caused a crash when switching the displayed results) - Fixed a bug in storing crack attributes (Atena 3D was not reading some results) - Load applied on an empty selection should produce a message - Fixed a bug causing problems in displaying some results in 2D runtime - Fixed a bug occuring sometimes while importing monitors not defined during analysis - Fixed shortcuts for Examples and Documentation - Fixed shortcuts creation sequence during install - Updated Atena GiD scripts - Fixed a bug in graph copying - Fixed a bug in DXF import in Atena 2D Release version 3.3.0f, (Build 06/10/18) October 18, 2006 - Fixed network key support Release version 3.3.0e, (Build 06/10/13) October 13, 2006 - Fixed a bug in mesh generation - quadratic brick elements (T3D) - Fixed displaying results for nlin. tetra elements Release version 3.3.0d, (Build 06/10/06) October 9, 2006 - Fixed a bug in temperature load - Small fixes in mesh generation (T3D) - Updated AtenaGiD scripts, see GiD\Problemtypes\AtenaV3\Readme.txt Release version 3.3.0c, (Build 06/09/14) October 4, 2006 - Fixed a problem in installation (registering 2D DLLs) Release version 3.3.0, (Build 06/09/14) September 21, 2006 - Speed optimization of importing and diplaying results into Atena3D ("file - read other"). Speedup about 10x for bigger structures (no significant effect on old results computed in versions prior to 3.3.0). - New hardlock drivers and HASP utilities included in installation: Hasp HL 5.20, Hasp HL License Manager 8.31.5.20, Aladdin DiagnostiX 1.10, Aladdin Monitor 1.4 - Fixed bug in BCS solution with shell elements - Updated AtenaGiD scripts, see GiD\Problemtypes\AtenaV3\Readme.txt - A new option for generating color scale to separate colors of tension and compression areas ("divided by zero") - Fixed MNQ bug (reinforcement) in Atena 2D - Fixed a bug in softening of SFRC Sbeta material in Atena 2D - Conditional break criteria added for handling solution divergency situations - Option "internal numbers" in the "Display" panel to get node numbering identical to AtenaWin for results loaded into the 3D Postprocessor with the "Open other" command - Option "Preferred master" in the Edit contact-Topology tab - Context help in Atena 3D - Editing attributes of multiple selected reinforcing bars in Atena 3D Release version 3.2.8a, (Build 06/06/19) June 19, 2006 - Optimalisation of ATENA 3D analysis and import to 3D post, namely in the case of used surface loading - In springs in Atena 3D other materials than CCSpring can be used - Correction of spring problem during import to Atena 3D post - New material names for smeared reinforcement in Atena 3D - CCMaterialWithTempDepProperties - TOTAL formulation Release version 3.2.7a, (Build 06/05/09) May 09, 2006 - Improvement of material CCNonLinCementitious2, substepping, crack closure internal iterations removed. - Fixed bug in reinforcement generation for shell elements (reinforcement was not connected) - Fixed bug of missing pre-stressing value in inp file. - Analysis core is using new HASP HL hardlock - Tensile degradation due to compressive failure is more gradual in CC3DNonLinCementitious2 material. - Improved BCS solution - increased speed >10x Release version 3.2.6d, (Build 06/02/27) February 27, 2006 - New version of HASP 4 driver 4.99 included in the installation. Release version 3.2.6c, (Build 06/01/23) January 23, 2006 - Correction of the calculation of nodal data for shell elements Release version 3.2.6b, (Build 06/01/16) January 16, 2006 - Correction of the division by zero problem in the Interface material. This error was only in 3.2.6. Release version 3.2.6, (Build 05/12/02) December 02, 2005 - Bug corrected, which caused that reinforcement data were not displayed in Atena 3D post-processor - New features in the solution core: improved handling of Master/Slave condition for quadratic elements, improved nodal projection for quadratic elements new fixed prestressing option Release version 3.2.5, (Build 05/10/31) October 11, 2005 - Material CCInterface is modified by including softening diagram for tension and cohesion. - Material CC3DBiLinearVonMises is modified by including cyclic behavior with Bauschinger efekt. - CC3DNonLinCementitous3User material is sligthly modified starting from version 3.2.5. The unloading in tension is elastic up to the onset of localization. After the localization onset the unloading is to the point where the localization started. - AtenaWin fixed to correctly extract monitors from already calculated results. - Various bug fixes in Atena 3D Release version 3.2.4, (Build 05/08/11) August 11, 2005 - It is possible to read results from older Atena versions 2.x.x - Improvements in the solution of complex boundary conditions - New versions of Atena-GID intefaces - Corrections in random field materials - no material parameters are ignored now. Release version 3.2.3, (Build 05/07/04) July 4, 2005 - Tetrahedral and triangular elements possible to thermal analysis. - New boundary conditions for thermal analysis - flux, film, radiation, fire specific loading - Fixed problem with AtenaWin Output Data dialog + other minor AtenaWin fixes and improvements. - Fixed problem of overlapping node id generation for large models. Release version 3.2.2, (Build 05/06/03) June 3, 2005 - Problems with marco-element intersections and non-planar surfaces resolved. - Possibility to extract monitors after the analysis is finished using AtenaWin. - Older 2D generator used without problems with curved lines Release version 3.2.1, (Build 05/05/19) May. 19, 2005 - Sudden deaths during Atena 3D analysis resolved - Various bugs corrected. - Possibility to store binary results from Atena 2D Release version 3.2.0, (Build 05/02/11) Feb. 11, 2005 - First official release with full native 3D environment - First official version with shell/plate elements. Release version 3.1.0, (Build 05/01/25) Jan. 25, 2005 - Final beta version. Release version 3.0.4, (Build 04/12/09) Dec. 09, 2004 - Fourth beta version. Includes improved runtime control, improved support for shell elements, improved graphs for monitoring points and various bug fixes. Corrected Atena 2D - axysimmetric shrinkage, cut output, etc. Release version 3.0.1, (Build 04/08/30) Aug. 30, 2004 - Fourth beta version. Includes improved runtime control, improved support for shell elements, improved graphs for monitoring points and various bug fixes. Release version 3.0.2, (Build 04/09/29) Sept. 28, 2004 - Improved third beta version. Release version 3.0.1, (Build 04/08/30) Aug. 30, 2004 - Third beta version. Release version 3.0.1, (Build 04/08/30) Aug. 30, 2004 - Second beta version Release version 2.1.11, (Build 03/11/28) Nov. 28, 2003 - In the calculation of moment lines it is possible to consider only selected number of macro-elements. This is advantageous for tunnel-like structures. - Improved stability of A3DPost - Bug in manual setting of contour area scales is corrected. Release version 2.1.9, (Build 03/10/04) Oct. 04, 2003 - New material CC3DNonLinearCementitious2User, which allows the definition of user laws for softening/hardening both in tension and compression, shear retention factor and tensile strength degradation due to lateral compression. - Minor improvements in AtenaWin - zooming behavior corrected in the case of displayed ids. - Correction of FEMAP script - missing MONITOR definition. Release version 2.1.8, (Build 03/06/18) June. 18, 2003 - Major improvements in AtenaWin - mouse selection, new icons, window layout Release version 2.1.7, (Build 03/06/02) June. 02, 2003 - New material CC3DNonLinCemenntitious2Variable which allows to change ft,fc,e,gf,fc0 material parameters based on a history function. - Major improvements in AtenaWin and A3DPost programs. Release version 2.1.4, (Build 03/02/24) Feb. 24, 2003 - Interface for external control of ATENAGUI 2D is included with the installation in order to support SARA studio ATENA extension. Release version 2.1.3, (Build 03/01/08) Jan. 08, 2003 - Correction in materials CCCombinedMaterial and CCMaterialWithVarProperties to enable their usage with temperature and shrinkage loading. - Extended mesh generation support in CCStructuresGenerate.DLL Release version 2.1.2, (Build 02/12/17) Dec. 17, 2002 - New material CC3DNonLinCementitious2, which is identical to CC3DNonLinCementitious2 with the exception that it is based on a purely incremental formulation, therefore it is possible to change material parameters during the analysis. This is especially usefull if one needs to simulate for instance concrete hardening. - Possibility to specify temperature fields - New material CCMaterialWithVariableProperties which enables to change material properties during the analysis according to a specified function. - All loads can now develope according to a pre-defined function - First version of 3D post-processor - The problem with run-time control on fast computers is fixed. Release version 2.0.2, (Build 02/07/24) July 24, 2002 - Possibility to select precision when working with longitudinal data - New version of mesh generator FC2DGen.dll. - New scripts for ATENA-FEMAP interface. Release version 2.0.1, (Build 02/07/05) July 5, 2002 - Missing CCStructuresCreep.dll included into the build to allow the operation of CCMicroplane4 material. Release version 2.0.1, May 14, 2002 - New import of DXF, IFC and internal CCT formats. - New reinforcement bond model. - Ability to delete results from selected load step. - New binary format for storing results. - Input of reinforcement material law with hardening is simplified. - Smeared reinforcement of same type can cross interfaces. - Multiple assignment of interface and reinforcement properties. - Mesh display during the analysis can be deactivated. - New program tool AtenaWin - substantially improved version of the program AtenaConsole, which allows simple post-processing and run-time visualization. This tool is especially useful for Atena3D users. - New and improved internal binary file for storing analysis results. This introduces an incompatibility with the previous program versions. It is unfortunately not possible to display the results from older versions of the program. Only input data from older version can be loaded into Atena 2.0.1. Therefore, Atena 2.0.1 will install into a new directory so that the previous version of ATENA is preserved and users can use it to post-process their old results. - Possibility to select Metric or Imperial (U.S.) unit system. - CC3DCementitious material and CC3DNonLinCementitious material may show stronger behavior in version 2.0.1 than in previous versions. The failure envelope has been modified to better represent the tri-axial compressive behavior or concrete. This difference should be significant only in stress states with high confinement. In previous version of ATENA this tri-axial strength was highly underestimated. Release version 1.2.3, Aug. 29, 2001 - Wrong setting of SET_ARC_LENGTH_PREVIOUS/CURRENT_STEP corrected in the inp file. - Rounding error in the numerical input of arc lines fixed. - Missing header in the graphical printout of spring quantities corrected. Release version 1.2.2, Aug. 15, 2001 - Error fixed in the generation of discrete rods crossing interface elements. - It was not possible in some cases to visualize MNQ diagrams depending on the setting of individual licences. Release version 1.2.1, June 26, 2001 - Moment lines calculation consideres only the structural part that contains the defined moment center line. - Bug fixes: smeared reinforcement was not saved when only the save of input data was requested. Release version 1.2.0, March 23, 2001 - Group assignment of properties - Cuts in post-processing - Plot of internal forces diagrams (moments, normal and shear) for beam-like structures. - Post-processing of interface and spring elements. - Post-processing of reinforcement rods in element nodes. - Correction of external cables where slips were not properly considered. - Fix of stability problems for large and long calculations on W98 systems. Release version 1.1.3, November 27, 2000 - Czech version available - Internal weight coefficients for discrete reinforcement corrected. - Equivalent crack band algorithm for Microplane model corrected. - Compact reactions, internal forces and residuals fixed the confusion with reactions in older versions. - Minor improvements in the 2D GUI - Abbility to read old results. - Faster solution module by cca 30-50%. Release version 1.1.2, November 8, 2000 - Output of principal strains and stresses is corrected. - Minor improvements of the graphical user interface - Crack band size for radial cracks in axi-symmetric analysis is correctly calculated. Release version 1.1.1, October 5, 2000 - Minor improvements of the graphical user interface - Various bugs in the finite element mesh generation are fixed. - Bugs fixed that occured during reinforcement generation, when it was parallel and intersecting finite elements. - A Version with Net hardlock is available. Release version 1.1.0, September 9, 2000 - Support for axi-symmetric analysis added to ATENA 2D GUI. - Support for backward compatibility of result binary data. !!! Please note that up to now the binary data are not !!! !!! are not backward compatible. This means it is not possible !!! !!! to post-process results or restart analysis from data file !!! !!! that were saved by previous versions. !!! - Rotated crack model for SBETA material is available now. - Various improvements and bug fixes. Release version 1.0.1, June 15, 2000 - Problems with discrete reinforcement generation corrected. Release version 1.0.0, May 31, 2000 - Secant and tangential matrices for CCSBETAMaterial corrected. - Various bugs in the Atena 2D GUI were fixed. Alpha Release Apr. 05, 2000 - Wedge elements implemented. This extends the library of 3D elements to: Bricks, Wedges and Tetrahedral elements. - Bug in CCSBETAMaterial fixed - this material previously always behaved as a rotated crack model. Now the default behavior is fixed crack model and no other behavior is possible with this version. 7. Contacts --------------------------------------------------------------------- PROGRAM DISTRIBUTORS: MAIN OFFICE: Cervenka Consulting Ltd. 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