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Hexagon MSC Nastran 2025.2 with Documentation Win x64 English
Free Download Hexagon MSC Nastran 2025.2 with Documentation | 6.4 Gb
Hexagon is proud to announce the release of MSC Nastran 2025.2 is an application for multidisciplinary structural analysis used by engineers to conduct static, dynamic and thermal analyzes in linear and non-linear domains; integrates automatic structural optimization and advanced technologies for fatigue analysis, obtained through High Performance Computing.
In this version, you'll find a new method for performing supersonic aerodynamic analyses entirely within MSC Nastran, a way to capture essential nonlinear contact behaviour without needing a full nonlinear solver, a new way to handle rotordynamic analysis, performance improvements for nonlinear transient analysis and many enhancements that improve the efficiency and robustness of MSC Nastran.
Summary MSC Nastran 2025.2 Release Highlights
- Avoid relying on additional solutions for aeroelasticity and flutter problems with a new, modern linear supersonic panel method for aerodynamic simulations directly integrated into MSC Nastran.
- Use linear gaps for compressive-only contact between parts in linear statics to streamline analysis of engineering joints and assembly fit-ups.
- Define rotor properties using the DMIG format for speed-scalable rotordynamic analysis, and define rotor properties using a matrix for flexible modelling of complex submodels.
- Use monitor points to aggregate random vibration analysis data in specific locations for quick post-processing analysis.
- Perform dynamic frequency response optimisation directly in the assembly.
- Perform frequency and transient response analyses with the integrated Multifrontal Massively Parallel Solver (MUMPS) for improved performance.
- Run advanced nonlinear transient analysis using the latest, high-performance nonlinear solver.
- Perform Adams/MSC Nastran co-simulation analysis with the fast, newly updated nonlinear solver.
- Troubleshoot nonlinear models confidently and efficiently with enhanced outputs, expanded convergence criteria, and improved RBE capabilities.
Linear gap modelling
MSC Nastran now supports linear gap (LGAP) modelling to efficiently simulate compressive-only contact between parts using CGAP elements. This approach is ideal for scenarios like press-fit assemblies and hole-bearing contacts, as it captures essential nonlinear contact behaviour without the computational cost of a full nonlinear solver. With local activation and deactivation for contact points, LGAP modelling streamlines the analysis of engineering joints and assembly fit-ups, making advanced contact analysis more accessible and reducing both simulation time and costs.
A mechanical device under thermal loading. The red arrows around the perimeter are gap element orientation.
Mach1+ supersonic aerodynamics panel method
The new Mach1+ panel method introduces a modern, linear supersonic aerodynamic solver directly integrated into key aeroelastic and flutter solutions (SOL 144, 145, 146, and 200). Perform supersonic aerodynamic analyses entirely within MSC Nastran using familiar input formats and benefit from seamless migration and validated accuracy. This enhancement simplifies workflows and ensures reliable results for demanding aerospace applications.
Chordwise pressure of a plunging/pitching plate using MSC Nastran Mach1+
MUMPS solver in frequency and transient response for improved performance
The integration of the MUMPS solver into frequency and transient response analyses delivers significant performance gains, supporting larger models and enabling faster, more scalable solutions for structural dynamics and optimisation tasks.
Close
MUMPS can yield up to 28 times faster running times for asymmetric matrices
Dynamic frequency response optimization directly in the assembly
Dynamic frequency response optimisation is now supported directly in the assembly context via FRDISP constraints, extending the reach of SOL 200 NEO and enabling users to address frequency response requirements alongside traditional optimisation criteria. Updates also include a new eigenvalue constraint methodology and maximum displacement constraints in assembly contexts.
Nonlinear transient analysis and new convergence criteria for the nonlinear solver
The recently introduced SOL400 NLPERF solver delivers significant performance gains compared to the classic SOL400 solver (CNLS) for nonlinear static (NLSTAT) analysis. Building on this success, the 2025.2 release adds similar improvements to nonlinear transient dynamic (NLTRAN) analysis to efficiently simulate structures under dynamic loads and accurately predcict responses to nonlinear transient effects.
Displacements during engine breakaway and simulation run time comparison
Co-simulation between MSC Nastran and Adams
MSC Nastran 2025.2 introduces a new co-simulation capability with the multi-body dynamics solution Adams via MSC CoSim, using the modern NLPERF Solver in SOL 400. In this workflow:
- Adams provides enforced motion (displacements and rotations) of the interface nodes.
- MSC Nastran receives these displacements and returns the reduced stiffness matrix and reaction forces to Adams. Optionally, reduced mass and damping matrices can also be exchanged.
- The CoSim engine ensures synchronised data transfer at every time step.
Currently, only nonlinear static analysis is supported on the MSC Nastran side. Support for nonlinear transient, dynamic analysis will be added in future releases.
Graph introducing Adams - MSC Nastran co-simulation
Enhanced outputs for nonlinear analysis
New global energy outputs enhance energy-based validation and model diagnostics:
- A comprehensive summary of global energy balance for each converged load increment is created at the end of the analysis, for both nonlinear static and transient analyses: total strain energy, total external work, work by contact forces, work done by frictional forces, total kinetic energy, and total damping energy.
- Results are provided in all standard output formats: F06, PCH, H5, OP2, and ITR. Future releases of MSC Apex and Patran will support these outputs.
Besides, new contact output capabilities have also been introduced to provide deeper insight into contact status and evolution during nonlinear analyses. These outputs now include gap distance information, complementing the existing BCONCHK contact check outputs, where distance checks are limited to nodes active within the contact search tolerance. Additionally, users can now request contact outputs for the entire model or specific contact bodies, offering greater flexibility and control over the data to be reported.
Finally, new output information has also been added available in the f06 results file when using the modern NLPERF nonlinear solver, providing deeper insights into the FEA assumptions used during analysis. Those enhancements include:
- Comprehensive element descriptions for easier identification.
- Property IDs, useful for many cases, such as shells and composite structures.
- Explicit indication of element formulations used in the analysis, with additional details available in the documentation.
- Module support is included.
Global energy balance available in f06 files
New convergence criteria and method available in NLPERF nonlinear solver
The weighted norm-based convergence method, originally available in the legacy CNLS solver, uses weighted norms instead of simple maximum component checks and can now be used with the NLPERF solver. This approach evaluates convergence based on an average error across the entire model, weighted appropriately, rather than focusing on the largest error at a single degree of freedom.
This method complements the existing options for convergence checks in NLPERF based on force/moment residuals (P) and/or displacements/rotations (U). Additionally, a new option for checking strain energy/work (W) has been introduced.
Supported convergence criteria combinations are: U, P, UP, UW, PW, and UPW. By default, or when W is specified alone, NLPERF will switch to UPW if no contact is defined in the model, or to PV in other cases.
R-elements (e.g. RBE2, RBE3) enhancements for nonlinear analysis
The R-Element Arbitrary User DOF Selection enhancement allows users to define custom degrees-of-freedom (DOFs) to be eliminated for R-elements beyond the previously available combinations. This capability provides greater flexibility in modelling complex connections, constraints, and coupling scenarios. Users can now specify which translational and rotational DOFs are active or constrained, enabling more precise representation of physical behavior in multi-point connections or reduced models.
Airplane model including skin connections modelled with hinged connections using the new capability
Random vibration analysis using monitor points
Monitor points 3 (MONPNT3) is now available for random vibration analysis to obtain key random vibration quantities, such as Power Spectral Density (PSD), Root Mean Square (RMS), Number of Zero Crossings (N0), and Cumulative RMS (CRMS) at defined monitor points.
MONPNT3s for random vibration analysis
Frequency-dependent scaling of bushing properties
Frequency-dependent scaling of bushing properties is now possible via new keywords on the PBUSHT entry, linking static nominal values to frequency-dependent tables. This reduces errors and streamlines updates during iterative design, ensuring more accurate simulation of bushings in dynamic environments.
Frequency-dependent rotor matrices
MSC Nastran introduces the ROTMAT bulk data entry, allowing rotor matrices in DMIG format to be input for speed-scalable rotordynamic analysis. This allows you to define rotor properties using matrices for more flexible modelling of complex submodels and simplifying collaboration by protecting proprietary finite element data.
Frequency-dependent 6x6 BUSH Elements
Expanded BUSH element capabilities now allow a full 6x6 stiffness and damping matrix, including frequency-dependent properties. Precisely simulate flexible joints, bushings, and rotor supports with non-symmetrical or cross-coupled characteristics for more accurate predictions of system response and improved modelling of real-world connections.
Double-Sided Blade (DSB) stiffener support
A new predefined cross-section for Double-Sided Blade (DSB) stiffeners is now available in PBARL and PBEAML to independently customise blade dimensions and orientation. This provides more accurate modelling and optimisation of advanced stiffening problems, particularly in aerospace structures, and offers capabilities not found in other commercial tools.
Double-Sided PBARL in Patran
Maximum displacement constraints in assembly contexts in SOL 200 NEO
Place maximum displacement constraints at any point in an assembly, even outside the design space, without needing RBE connections. This provides greater flexibility and control in optimization, allowing single-component designs to influence full assembly behavior. This enhancement improves the robustness and usability of SOL 200 NEO.
Exporting the structural damping matrix for AVL EXCITE
MSC Nastran now allows the structural damping matrix to be exported independently for AVL EXCITE™ simulations, providing greater fidelity and flexibility in modelling damping behaviour for automotive powertrain applications.
A convention change for air flow resistivity in PEM Materials
The convention for Air Flow Resistivity (AFR) in porous materials has changed to reflect the total flow through the material, aligning with industry standards and improving the accuracy of PEM analysis. Users can retain the old convention if needed by setting a specific flag. No changes are necessary to use the new convention.
MSC Nastranis a multidisciplinary structural analysis solver that performs static, dynamic, and thermal analysis across the linear and nonlinear domains, complemented with automated structural optimisation and award-winning embedded fatigue analysis. MSC Nastran is based on sophisticated numerical methods, the most prominent being the Finite Element Method. Solve Nonlinear FE problems with built-in implicit numerical techniques. Get better results with optimisation algorithms, including MSCADS and IPOPT. Perform advanced fatigue and durability analysis in MSC Nastran with built-in CAEfatigue, the fastest and most robust fatigue solution on the market today.
MSC Nastran tutorial for beginners | Simple static analysis of a 3D beam example
Perform static analysis using MSC Nastran along with MSC Apex as a pre- and post-processor. Understand all the input and output files related to MSC Nastran with this video as your guide.
Hexagonis a global leader in sensor, software and autonomous solutions. We are putting data to work to boost efficiency, productivity, and quality across industrial, manufacturing, infrastructure, safety, and mobility applications. Our technologies are shaping urban and production ecosystems to become increasingly connected and autonomous - ensuring a scalable, sustainable future.MSC Software, part of Hexagon's Manufacturing Intelligence division, is one of the ten original software companies and a global leader in helping product manufacturers to advance their engineering methods with simulation software and services.
Owner:Hexagon AB
Product Name:MSC Nastran
Version:2025.2 with Documentation
Supported Architectures:x64
Website Home Page :
https://hexagon.com/
Languages Supported:english
System Requirements:Windows *
Size:6.4 Gb
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