Vibration Fatigue


The Vibration Fatigue option enables the simulation of vibration shaker tests driven by random (PSD) or swept-sine loading. It provides the capability to predict fatigue in the frequency domain and it is more realistic and efficient than time-domain analysis for many applications with random loading such as wind and wave loads. Finite element models are solved for frequency response analysis and the vibration loading is defined in DesignLife. This can include static offset load cases and complete duty cycles of combined loading.
The perfect add-on product to Vibration Fatigue is Accelerated Testing for the ability to create a representative PSD or swept-sine shaker vibration test based on measured data. It enables the combination of multiple time or frequency domain data sets into representative test spectra that accelerates the test without exceeding realistic levels.
        
  • FE models are solved for frequency response analysis and the vibration loading is defined in DesignLife.
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  • Include static offset case and complete duty cycles of combined loading.
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  • Perfect add-on product is Accelerated Testing to derive a tailored test profile from multiple loading spectra.
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