Archive for August, 2008

971 Release 3.2 is Now Available

Published by Suri Bala August 15th, 2008 in LS-DYNA Bytes. 0 Comments

Here are the release notes. Features and enhancements included in 971 R3.2 that were not available in 971 R3.1 include the following:New Material Models:*MAT_255 ()Enhanced Material Models:support of user defined failure for:- *MAT_123 (VP=1)- *MAT_103- *MAT_024 (VP=1)*MAT_191 now supports end release for beams*MAT_187 updates*MAT_126 add corotational local coord. system for formulation-1Add V option for aopt=3,4- [...]

Killing LS-DYNA Jobs

Published by Suri Bala August 11th, 2008 in LS-DYNA Bytes. 0 Comments

Running LS-DYNA jobs (either interactively or as a batch job) can be interrupted with sense-switch controls by creating files “d3kil”, “D3KIL” and “switch” in the running directory. This works as expetec without the use of any “jobid” definition. However, when using a jobid parameter either using *KEYWORD_ID or in the command line (jobid=jobname), LS-DYNA expects [...]

D3VIEW Update : LS-DYNA Examples Project Now Available for Public

Published by Suri Bala August 10th, 2008 in d3view. 0 Comments

The LS-DYNA Examples Project , managed using D3VIEW, is now available for public usage. If you want to become part of the team to contribute to the examples set, you can send me an email at INFO at D3VIEW dot COM.

Effects of Initial Penetrations

Published by Suri Bala August 9th, 2008 in LS-DYNA Contact. 1 Comment

It is well known that the presence of initial penetrations can spoil the accuracy of the analysis. A few days ago, while working on ODB barrier, some strange spikes in energies was suspicious even with IGNORE turned on. To understand this, I simply did a simple shakedown and generated some 100 d3plots to capture the [...]

Nice article on Inertia Tensors

Published by Suri Bala August 7th, 2008 in LS-DYNA Bytes. 0 Comments

Came across this nice article (PDF, 101kb) about inertia tensors.

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