Solver Conversion Enhancements Abaqus to OptiStruct Conversion Elements: CPE3/CPE3H has been converted to CTPSTN. CPE4/CPE4H has been converted to CQPSTN. Property: *SHELL SECTION(CQPSTN/CTPSTN elements) has been converted to PPLANE. Load: Multiple *TEMPERATURE has been mapped to TEMPADD. *BOUNDARY,TYPE=VELCOITY has been converted to SPCD,TLOAD,DLOAD. *BOUNDARY,TYPE=ACCELERATION has been converted to SPCD,TLOAD,DLOAD. Load Step: *VISCO has been converted to VISCO load collector and mapped to subcase.