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» » » MSC Nastran 2020 + Documentation (x64)

MSC Nastran 2020 + Documentation (x64)

MSC Nastran 2020 + Documentation (x64)

x64 | Language:English | File Size: 3.93 GB
MSC Software recently released 2019.0 of its flagship finite element analysis (FEA) solver, Nastran, a multidisciplinary structural analysis application for performing linear and non-linear static, dynamic and thermal analysis.
Enabled by high-performance computing (HPC), MSC Nastran is used to ensure that structural systems have the necessary integrity and characteristics to avoid compromised structural function and safety. For example, Nastran can be used to improve the economy and passenger comfort of vehicles and, more recently, electric vehicles (EVs).
Because larger, high-fidelity models require efficient model management, Nastran v2019.0 running on HPCs can handle large numbers of solid elements and provide smooth mesh transitions between different shaped solid elements with Pyramid Elements. These Pyramid Elements define the connections of five-sided isoparametric solid elements with five to 13 grid points. Their grids can be used for any type of analysis. This new element is supported in all types of optimization. Stress and strain are recovered for statics, frequency response and random response. Grid stresses are recovered for statics and frequency response.
EV manufacturers are becoming more concerned with high-frequency noises and vibrations, making noise, vibration and harshness (NVH) calculations more critical and expensive. The latest Nastran release introduces a new FASTFR module that benefits from symmetric multiprocessing (SMP)-parallel kernels that provide significant performance improvements for EV models with large numbers of frequencies, modes and load cases. According to MSC, NVH simulations should speed up anywhere from a factor of 2 to 10 over previous releases without the FASTFR module.
FASTFR improves the speed of calculation without sacrificing accuracy for structural dynamics simulations in the frequency domain based on superimposing mode shapes, hence FR, which means frequency response. The alternative is to run direct time-domain dynamics simulations, which is usually computationally slower than modal superposition-most of the resulting behavior of interest is captured "well enough" by the information in a relatively small number of the lowest natural frequencies and their corresponding mode shapes. The FASTFR technology really benefits from HPC and SMP.
A couple other significant enhancements to Nastran v2019.0 include:
- Rotor dynamics - Non-linear harmonic analysis and partial load applications, such as rotational force and gravity loads
- Contact analysis - Perform pre-checks for contact issues, such as potential geometry adjustments induced by changing conditions compared with initial stress-free conditions
With this newest release of Nastran, MSC Software remains at the forefront of simulation and focused on evolving industries that it can support. In this case, especially electric vehicles.
About MSC Nastran. MSC Nastran is the world's most widely used Finite Element Analysis (FEA) solver. When it comes to simulating stress, dynamics, or vibration of real-world, complex systems, MSC Nastran is still the best and most trusted software in the world - period. Today, manufacturers of everything from parts to complex assemblies are choosing the FEA solver that is reliable and accurate enough to be certified by the FAA and other regulatory agencies.
Engineers and analysts tasked with virtual prototyping are challenged to produce results fast enough to impact design decisions, and accurate enough to give their companies and management the confidence to replace physical prototypes. In today's world, nobody has time or budget to spend evaluating the accuracy of their FEA software - you need to know it's right.
MSC Nastran is built on work done by NASA scientists and researchers, and is trusted to design mission critical systems in every industry. Nearly every spacecraft, aircraft, and vehicle designed in the last 40 years has been analyzed using MSC Nastran. In recent years, we've applied some of the best and brightest scientists in CAE to extend MSC Nastran's power and efficiency, resulting in its continued status as the world's best, most trusted, and most widely used FEA software - period. New modular packaging that enable you to get only what you need makes it more affordable to own Nastran than ever.
About MSC Software Corporation. MSC Software 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. As a trusted partner, MSC Software helps companies improve quality, save time, and reduce costs associated with design and test of manufactured products. MSC Software is based in Newport Beach, California and employs 1,200 professionals in 22 countries. Having established its subsidiary in Tokyo, Japan in February 1982, it now has its offices in Osaka and Nagoya.
System Requirements:
OS:Windows 7-sp1 Windows 10 1803 or higher
CPU:Intel/AMD (64-Bit)
Whats New
MSC Nastran 2020 Features and Enhancements
-Data recovery of Poroelastic material (PEM) trim parts interior grids.
-New PLTSURF entry introduced for easier PEM parts coupling surfacedefintions.
-Restart support for models with invariant PEM components.
-Temperature dependency added for frequency dependent materials.
-SOL 108 (direct frequency response) support added for models with PEM parts.
-New 2D Bush (CBUSH2DA) and Squeeze File Damper (NLRSFDA) user-defined subroutines enabled to include inertia & acceleration terms respectively.
-Integration of user-defined squeeze file damper libraries.
-Cross-coupling inertia terms specification for 2D Bush (CBUSH2D) element.
-Frequency dependent 2D Bush (PBSH2DT) property with tabular input.
-Layered Solid and Solid-Shell elements available in linear solutions.
-Control of the number of angles to be analyzed when using critical plane analysis.
-New stress/strain output requests via FATIGUE case control.
-More control over the amound of results data returned at critical locations.
-Significant performance improvement of SOL 112 duty cycle jobs.
-Direct access to dynamic load data in multi-channel time histroy files via new TABLRPC entry.
Topology Optimization
-Anisotropic materials support added.
-Over-hang constraints for additive manufacturing.
-New DRESP2 response types: Magnigtude of Displacement and maximization of stiffness and frequency.
-Nonlinear Buckling available in SOL 400
-Allow represtentation of imperfect structural geometry through use modification of grid coordinates based on displacements or modes from a previous run.
-MATVE limitation of five scale factor/time constraint data pairs removed.
-CASI (Iterative) Solver support available for inertia relief analysis.
-Faster Global Transformation Matrix for ACMS to speed up Nastran interface to MSC Adams and AVL EXCITE.
-Improved GPU acceleration for FASTFR (Fast Frequency Response) and MPYAD for large models.
Nastran HDF5
-Support NLLOAD outputs in HDF5
-Add KHH/MHH/BHH matrix output control
-Support nonlinear buckling and imperfection outputs
-Support layered solid and solid shell composite elements
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