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Multiple Solution Domains – One Solver
NX Nastran solves most structural analysis problems for linear and nonlinear analysis, dynamics, acoustics, rotor dynamics, aeroelasticity, acoustics and optimization. The advantage to having all of these solutions available in a single solver is that input/output file formats are the same for all solution types, greatly simplifying modeling processes.

Computational Performance and Numerical Accuracy
Finite element analysis (FEA) models have consistently grown in size and fidelity as engineers continue to leverage increasing hardware computing capacity to tackle more complex problems. Performance is what makes NX Nastran the solution of choice for such problems. NX Nastran offers two distinct parallel processing capabilities. Shared memory parallel processing (SMP) is the preferred technology for either multiprocessor nodes with shared memory or processor nodes with multiple cores. Distributed memory processing (DMP) can provide much higher levels of scalability for major computational challenges such as large system-level static and dynamic analyses.

Ease of Modeling and Engineering Workflow
You can easily create NX Nastran models through using Simcenter’s preprocessor or a number of other commercial FEA preprocessors that support NX Nastran. To assist the modeling process even more, NX Nastran includes unique features such as simplified component connectivity, superelements to simplify complex FE modeling, automatic dependency conflict resolution, and direct interfaces to multibody dynamics (MBD) solutions.

Advanced Applications
You can use NX Nastran to solve a variety of advanced applications, such as NVH (noise, vibration and harshness) problems in the automotive industry, composites analysis in the aerospace industry, and complex coupled thermo-structural problems in electronics and a number of other industries.

Flexibility and Openness
NX Nastran gives you the flexibility to write your own applications and add your own custom analysis modules with the direct matrix abstraction program (DMAP). You can also combine NX Nastran with third-party solvers for coupled analysis by taking externally generated force field results as a load to an NX Nastran structural model. Siemens also works with a number of solution partners to enable their applications to interface with NX Nastran.

On-demand, Pay-per-use, Cloud Computing
Engineers increasingly need to speed up their product validation process for solving large models or perform sensitivity analyses on models to determine the relative influence of a large number of parameters on their models via design of experiments (DOEs). Doing so with their current infrastructure can be prohibitively time-consuming or computationally intensive. NX Nastran is available through a software as a service (SaaS) model in partnership with Rescale, a cloud engineering simulation platform. This combines NX Nastran with on-demand high performance computing (HPC) and enables you to seamlessly adjust compute capacity as your demand changes. Large-scale DOEs or multi-disciplinary optimizations can be setup efficiently with a variety of hardware choices that optimize performance of the NX Nastran solution.