Upgrade from ATENA 4.1.0 and later to 4.3.0h for users with a valid maintenance agreement. Please download and run the installation file: ATENA_V430h_Upgrade_Install.exe, size 664 014 198B (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). Unlike the 4.3.0g PRE-RELEASE, the upgrade installer can now add the 64-bit AtenaWin and AtenaConsole.
If you have problems with the upgrade installation, please contact us for help/an installation CD.

Main changes since 4.2.7g:

• First 64bit version of the ATENA kernel, AtenaConsole, and AtenaWin (x64)
• Completely new graph component in AtenaWin
• Improved implementation of hydration heat and general heat sources/sinks (material CCTransportMaterialLevel7)
• 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 causing mesh generation erros with some ATENA 3D models
• Fixed a bug when copying springs in ATENA 3D
• Updated a2g utility importing results into GiD for postprocessing: better support of reinforcement results, fixed a few small problems
• Added function to check if a newer version is available
• Many small fixes and improvements in the kernel, AtenaWin/AtenaConsole, ATENA 2D and 3D GUEs, ATENA-GiD, and in the installer

You can find a detailed changelist in the Readme.txt file.  

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