Free Download MSC CAEfatique 2024.2 | 4.0 Gb
Hexagonis proud to announce the release ofMSC CAEfatique 2024.2. This new version includes a new method for creating surrogate loads from measured time histories, new frequency domain modal input support, and enhancements for seam weld analysis, including 3D weld support. In addition, significant user interface updates include visualisation of real mode shapes and better visualization of seam weld results
Owner:MSC Software
Product Name:MSC CAEfatique
Version:2024.2
Supported Architectures:x64
Website Home Page :
Code:
https://hexagon.com/System Requirements:Windows *
Size:4.0 Gb.
Creating surrogate (simplified) loads from multiple vibration environments
A common challenge in durability analysis is to reduce measured (multi-event, multi-component) vibration data samples into a single surrogate load specification. This is usually done so that new design proposals can be evaluated either in a test situation or a virtual analysis. Historically, enveloping has been used for this task. However, the downside of enveloping is that the test specification tends to be very conservative.
A typical input to such a process is as follows:
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The newest version of CAEfatigue introduces this new approach for calculating surrogate loads for testing or virtual analysis:
- Step 1: Calculation of Pseudo Damage channel factors in the Time Domain (PDTD) for multi-event loads. This process is fully automatic.
- Step 2: Time2PSD reduction of multi-event, multi-channel, time histories into PSD envelopes (1 per channel).
- Step 3: Pseudo Damage channel factors in the Frequency Domain (PDFD) using envelopes. This process is semi automatic.
- Step 4: Scaling of the channel envelopes to create single-channel surrogate loads in the following way:
. Scaled channel surrogate load = PSD envelope * PSDT/PSDF. Note: this scaling currently has to be done manually.
- Step 5: Calculation of a single diagonal PSD matrix (surrogate load) calculated using these channel envelopes * PSDT/PSDF.
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This new approach should result in more accurate and less conservative loads for future designs and should be used by designers who need to use loads for future designs based on legacy design loads.
Frequency domain single/multi-input loads with modal responses (stresses, displacements and forces)
A new modal frequency domain approach now supports modal stresses, displacements and forces in the frequency domain (Nastran OP2 and H5) and Abaqus (ODB)) to dramatically reduce disk space requirements and run times. Expect run times to decrease by up to a factor of two and disk space requirements to decrease by up to 20 times. This should mean that the analysis of full vehicle models (or any large model) is practical in the frequency domain for the first time (including forces and displacements). This will be useful for analysts and designers working in the automotive, aerospace, and GV sectors, especially those designers and analysts wanting to better understand dynamic vehicle behaviours.
Performance data
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Enhancements for seam weld analysis, including 3D weld support
These enhancements (which should result in faster and more accurate weld fatigue results) include,
- Corrections for 3d Seam welds, plus the addition of "normal" equivalent stresses
- Alternate visualisations of results along a list of nodes for seam welds
- Averaged/mid-side stresses in 2d Volvo-Chalmers seam welds
- Visualisation of surface normal for verification of 2d layers
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Additional solver and user interface updates
- Support multi-punch/h5 files in time domain modal transient runs
- LMTRANS (linear modal transient analysis) is now possible with Abaqus odb files
- More accuracy in multi-event frequency domain runs (different bins for different events)
- RCC output can be generated for a limited set in the frequency domain
- The CAEfatigue solver identifies property and material IDs defined in the solver file
- Strain gauges are available in the frequency domain, with application to surrogate loads
- Support static offsets with Marc h5/t16 files
- Output of type hwascii
- Ability to import MSC.Fatigue material database
- Visualisation of real modes
- Better visualisation of Seamweld stress and fatigue results
- Easier manipulation of channels for Time2PSD calculations
- Time load scheduler/time signals improvements provide improved performance and better handling of sample rates
- Material comparisons are enhanced
- Seamweld materials are now available in the database
- Improved handling of Marc sets
- Enhancements to robust design capabilities
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MSC CAEfatiqueis a random response and vibration fatigue solver for the frequency domain plus a fatigue solver for the time domain. It works with mixed random and deterministic loadings or standard time domain-based loadings to provide fatigue life and damage predictions, as well as several forms of response statistics. It is exceptionally fast, easy-to-use and capable of handling very large models. The software also offers tools for loads management including digital signal processing, as well as a Robust Design feature that allow users to analyze the robustness of their FEA models to variations in FEA solution parameters.
CAEfatigue Multiple Input PSD Random Analysis
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.
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