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Frequency Domain Fatigue Damage Calculation Process: Is it Really that Different?
This guest contribution on the Altair Blog is written by the CAEfatigue Team, a member of the Altair Partner Alliance.

Sine Sweep on Random PSD: The need for frequency matching between the Solver FRF and the Sine Sweep
This guest contribution on the Altair Blog is written by the CAEfatigue Team, a member of the Altair Partner Alliance.

Frequency Domain Fatigue Analysis with CAEfatigue
This guest contribution to the Altair Blog is written by the CAEfatigue Team, a member of the Altair Partner Alliance.

CAEfatigue GUI (CFG)
Results generated by the CAEfatigue Software Suite can be visualized in commercial post-processing packages such as HyperView, however, we want to provide a simple, easy to use graphical user interface that can be operated without significant training, yet provides all the necessary visual information that is required by the user.

CAEfatigue Time2PSD
We want to provide a tool that engineers or designers can use too easily and accurately convert multiple time signals to PSDs included in the effects of cross channel phasing.

CAEfatigue VIBRATION - BASE SHAKE and CAEFatigue VIBRATION - MULTI
CF_BASE (single input) and CF_MULTI (multi input) enables users to perform a fatigue analysis in frequency domain with techniques that are often used for dynamic structural analyses

CAEfatigue VIBRATION (CFV) - BASE SHAKE
The CF_BASE tool provides rapid and accurate structural response and fatigue results for a single input stress loading with virtually no limit on model size being analyzed

CAEfatigue VIBRATION (CFV) - MULTI
The CF_MULTI provides rapid and accurate random response and fatigue solver results that have virtually no limit on model size being analyzed

CAEfatigue VIBRATION for Automotive Systems
CAEfatigue VIBRATION is a powerful domain random response post processor and fatigue solver that works with mixed random (Power Spectral Density) and deterministic loading sources in a way not currently possible with existing products.

Random Response & Fatigue Optimization in the Frequency Domain
In this paper, application of frequency based methods for random response and fatigue optimization is demonstrated on an automotive full body system. The process followed uses MotionSolve generated body loads and OptiStruct stress results as input to a CAEfatigue VIBRATION analysis. This process is executed from HyperStudy for optimization and the results produced are then post processed in HyperView. Using the process outlined, it is feasible to achieve considerable weight reduction while maintaining desired fatigue life.

Virtual Durability Process: Bringing Together MBD, FE and Fatigue
Simulation is indispensable within any product development organization. We at Altair believe this outright and you see that in the vision statement from our CEO, to radically change the way organizations design products and make decisions. Simulation driven design is applied at different stages of development, from concept stage to the final design tuning and validation. Optimization is an integral part of it, so your starting point is an optimal design.

Fatigue, Composites & Optimization: Themes for Partner Presentations at the Americas Altair Technology Conference
Americas ATC 2015 had one of the highest attendance in history, with about 750+ users in a span of 3 days attending workshops and presentations. Close to half the number of partners from the APA were present to interact with customers and showcase their technologies. Sridhar highlights the key points covered in the presentations.

Partner Spotlight: CAEfatigue
Dr. Neil Bishop, Chief Executive Officer at CAEfatigue Limited, discusses Random Response Durability Analysis software, CAEfatigue VIBRATION, available through the Altair Partner Alliance.

CAEfatigue VIBRATION for Aerospace
One page flyer pointing out CAEfatigue VIBRATION's specific features, workflows and examples for the aerospace industry.

CAEfatigue SAE Paper
Technical paper discussing advances relating to fatigue calculations for combined random and deterministic loads.

CAEfatigue Technical Paper for UK NAFEMS
Whitepaper discussing fatigue calculations for multi-input random and deterministic loads in frequency domain.

CAEfatigue Technical Paper for US NAFEMS
Whitepaper discussing improved methods of frequency domain fatigue calculations for automotive systems.

CAEfatigue Presentation Addressing Time v. Frequency Domain Analysis for Large Automotive Systems
Presentation covering development and application of time and frequency domain analysis in the automotive industry.

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