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Theory & Application of fe-safe/Rubber™

Two-day class

Course Logistics

Take advantage of this live online course right from your desk. Each day of the class will begin with a lecture session. After the lecture, workshop sessions are conducted offline with technical support provided by hosting office via phone and email. Some hosting offices also allow for in-person attendance.

Objective

The durability for an elastomeric product operating under realistic service conditions can now be computed from a Finite Element Analysis, with a proper account taken of rubber’s unique macromolecular structure and nonlinear mechanical behaviors.  This class gives you the theoretical and practical know-how to select appropriate material models, to obtain accurate operating strains for analysis, to specify a fatigue analysis, and to interpret the results.  Each core concept is illustrated with a hands-on exercise using fe-safe/rubber.  After this course, you will be ready to use fe-safe/Rubber to analyze, diagnose and solve fatigue performance issues.

Agenda

Day 1: 8:30 am – 4:45 pm

  • Ingredients of successful fatigue analysis for rubber
  • Material modeling for fatigue analysis
    • Stress-strain behavior
    • Crack growth rate laws
    • Strain crystallization effects
    • Temperature Dependence
    • Ozone attack
    • Crack precursor size
    • Model verification utilities
  • Setting up your FE model for fatigue analysis

Day 2: 8:30 am – 3:30 pm

  • Using critical plane analysis to compute the damaging effects of complex duty cycles
  • Using analysis diagnostics to identify causes and remedies of fatigue failure
    • Failure location, critical plane orientation
    • Damage sphere
    • Local crack loading history
    • Rainflow count
    • Crack open/close state
Who Should Attend

Engineers and management involved with the selection, design, analysis, and testing of elastomer materials, components, and systems that must endure dynamic loading conditions.

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