NX Nastran is a premium finite element solver solution
that is able to support a wide range of product performance simulation
processes including: stress analysis, advanced non-linear, buckling,
dynamics, heat transfer, and optimization. It provides a high degree
of interoperability with a large number of CAE applications and ensures
a common simulation backbone across a wide variety of user needs and
throughout the entire digital prototyping process. This ensures that
all digital simulation results are consistent and readily accessible
to all CAE users within an enterprise.
Siemens PLM is a leading global provider of product lifecycle
management (PLM) software and services with nearly 4 million licensed
seats and 46,000 customers worldwide. The NX and NX Nastran product
suites help companies transform the product lifecycle. With the industry's
broadest suite of integrated, fully associative CAD/CAM/CAE applications,
Siemens PLM impacts the full range of development processes in product design,
manufacturing and simulation.
http://www.plm.automation.siemens.com/en_us/
SIEMENS PLM 
