This file constitutes revision 0 of the release notes for LS-DYNA version R11.2.2.
The string ‘REVISION 11’ must appear in the LS-DYNA license file in order to run version R11.2.2. Please contact your LS-DYNA distributor or your Ansys sales representative if you have to have your license updated.
Documentation of R11.2.2 is provided in the R11.0 User’s Manuals which may be downloaded from www.lstc.com/download/manuals. For features mentioned in these release notes but which appear to be missing from the R11.0 User’s Manuals, please refer to the DRAFT User’s Manuals at www.lstc.com/download/manuals. Please note that not all features in the DRAFT User’s Manuals are available in version R11.2.2.
The remainder of this file describes what’s been added or fixed in version R11.2.2 since the release of version R11.2.1. See the release notes of R11.1.0, R11.2.0, and R11.2.1 to see what was added or fixed in those releases since R11.0.0. The changes are primarily bug fixes. The items are arranged by category. In many cases, a particular item could fall under more than one category. For the sake of brevity, each item is listed only once under a single category.
*CONTROL_REMESHING / *CONTROL_REMESHING_EFG.
*CONTROL_ADAPTIVE(ADPTYP = 7) and
*CONTROL_REMESHINGwhen used with cases. The bug caused edges and corners to be lost during r-adaptivity after the first case.
*DEFINE_FRICTIONwhich may have been giving incorrect results since July 2017.
*CONTROL_CONTACTto work wih segment-based (SOFT = 2) contact. This option tapers segments around spot welds. Also, the SWRADF factor on
*CONTROL_CONTACTnow works with solid element and solid element assembly spot welds.
*CONTACT_2D_AUTOMATICin which forces were not passed among processors. Until this update, this has never worked correctly.
*DEFINE_CONTACT_VOLUMEto work with soft = 2 eroding contact.
*DEFINE_CURVE_FUNCTION. Specifically, if the built in function PIDCTL was used, along with MPP predecomposition, the behavior was unpredictable due to a memory clobber.
*DEFINE_CURVE_FUNCTIONdefinitions before storing them in the lsda file.
*INITIAL_STRAIN_SHELLthat is generated by
*INTERFACE_SPRINGBACK_LSDYNAhad the same wrong values.
*CONTROL_OUTPUT. The bug caused corrupt d3plot files.
*INTERFACE_COMPONENT_FILEinto the structured file. With this change, if we convert keyword input to structured input and run from the structured input, LS-DYNA will know the required file format for the component data. Previously LS-DYNA always produced a non- lsda file when running from a structured file.
*INTERFACE_LINKINGwhich was causing a segmentation fault.
*DEFINE_CURVE_FUNCTIONin double precision. This error would have only shown up if doing keyword to structured conversion in double precision and then running from the resulting structured deck (in single or double precision).
*NODE_TRANSFORMwhen used with spot weld assembly generation. Spot weld elements were getting distorted.