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MSC.Fatigue 2000 Wheels Module

MSC.Fatigue 2000 Wheels Module. DEVELOPED IN COLLABORATION WITH BFG AEROSPACE AND nCODE. MSC.Fatigue- Wheels PROCEDURE. QSG - Demo Model. Multiple Results - Travel. N=36 Static Load Cases. Stress-time history created for each load condition.

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MSC.Fatigue 2000 Wheels Module

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  1. MSC.Fatigue 2000Wheels Module DEVELOPED IN COLLABORATION WITH BFG AEROSPACE AND nCODE

  2. MSC.Fatigue- WheelsPROCEDURE

  3. QSG - Demo Model

  4. Multiple Results - Travel N=36 Static Load Cases

  5. Stress-time history createdfor each load condition... Multiple solutions performed to obtain stresses for each node at various positions relative to the load. Stress at Node n 1 2 ... ... 35 36

  6. PROCEDURE • Extract stress histories and calculate fatigue lifes from stress data from multiple FEA solutions • User selects the FEA solution sets used to define each load condition • Display Results • Determine plane of critical fatigue damage • Calculate stresses and fatigue damage in angular increments about each node • Sum damage for each angular increment

  7. FE-Based Wheel FatigueAnalysis Using MSC.Fatigue MODIFICATIONSTO MSC.FATIGUE

  8. Wheel Fatigue: General Setup

  9. Wheel Fatigue: Loading Info...

  10. Wheel Fatigue: Job Control & Results After selecting “full analysis” on the job control form, the software produces a stress-time history for each node containing N points (extracted from the N load cases). It then conducts a rainflow cycle count and calculates fatigue damage (a typical SN analysis).

  11. Interactive

  12. FE-Based Wheel FatigueAnalysis Using MSC.Fatigue RESULTS

  13. Fatigue Life Contours (log scale)

  14. Summary • MSC.FATIGUE provides benefits of an FE-based fatigue analysis design process. • Reduced development time • Reduced development cost • Improved product quality • MSC.FATIGUE “Wheels” module developed is fully functional in core Fatigue.

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