<unk>  is a commercial engineering simulation software program that is developed and distributed worldwide by<unk>  R & D, Inc. The company was founded in 1986 by Dr. Klaus-Jürgen Bathe, and is headquartered in Watertown, Massachusetts, United States.<unk>  is used in industry and academia to solve structural, fluid, heat transfer, and electromagnetic problems.<unk>  can also be used to solve multiphysics problems, including fluid-structure interactions and thermo-mechanical problems. Some of<unk> 's nonlinear structural analysis code is offered as the NX Nastran Advanced Nonlinear module, Sol 601/701.
ADINA
ANCIC 
DRACO
IOMAI
HOHMS
ADE 
PATH 
BHIE