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MSC Nastran is a multidisciplinary structural analysis application used by engineers to perform static, dynamic, and thermal analysis across the linear and nonlinear domains, complemented with automated structural optimization and award winning embedded fatigue analysis technologies, all enabled by high performance computing.

Hexagon is proud to announce the release of MSC Nastran 2026.1.1. This latest version of MSC Nastran brings revolutionary capabilities for topology optimization workflows with SOL 200, high-performance computing improvements, enhanced non-linear capabilities in SOL 400 NLPERF and powerful new NVH analysis tools.

Key highlights of MSC Nastran 2026.1.1 include:

New capabilities
- Automatic skinning of the outer surfaces of solid elements streamlines model setup and allows faster data recovery.
- Global-local analysis improves accuracy in critical areas by refining the analysis locally, while retaining the global contributions.
- Acoustic fluid grid participation factors enhance noise and vibration analysis by directly analyzing contributions from fluid skin grids.
- Next-generation topology optimization in SOL 200 introduces a new solver for more efficient and manufacturing-ready solutions, optimizing both performance and allowing for both linear and non-linear optimization workflows.
Performance and speed
- ACMS robustness and performance improvements of up to 30% reduce computational times for large-scale modal analyses for increased robustness and efficiency.
- FastFR performance and robustness improvements accelerate frequency response analysis.
- The MUMPS solver for static solutions in buckling analysis reduces the solution times for buckling problems requesting a small number of buckling modes.
Enhanced user experience
- Simultaneously export multiple result outputs for the same result type and avoid multiple runs.
- The flutter perturbation step after pre-load in SOL 400 accounts for preloaded conditions, which are relevant in aerospace applications.
- Enhanced output .log files aggregate all detailed job insights in one place to make it easier to troubleshoot and optimize runs.
Usability and solution enhancements
- Inertia relief support for external superelement data recovery adds inertia relief capabilities with external superelements when using INREL=-1 or -2, broadening the range of supported cases in assembly models.
- The cohesive element mass matrix in linear solution sequences provides more comprehensive modelling capabilities in linear solution sequences.
- Mixed precision .hdf5 files allow for 64-bit format integers in the hdf5 while maintaining additional real values in 32-bit to lift output file size restrictions for large models with high-frequency ranges.
- Lagrange multipliers for rigid connections so that rigid elements can share dependent grid points and SPCs can be applied to those grid points.
- New options for calculating average nodal normal vectors, for controlling distributed surface load for shell elements with offsets in case of SOL 400 NLPERF non-linear static analysis
- Support of new outputs (grid point forces and element strain energy) and intermediate result outputs in case of SOL400 NLPERF non-linear static analysis

HOMEPAGE: https://hexagon.com/

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