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Durability Analysis

FEARCE incorporates a fatigue module that includes a large array of linear and non-linear durability algorithms. Linear algorithms include the Goodman and Gerber methods. Multiaxial algorithms include Dang Van, McDiarmid and Multi-axial Goodman methods. For non-linear analyses the SWT, Brown-Miller and Fatemi-Socie methods can be employed.

In addition to the variety of fatigue algorithms, FEARCE also provides alternative approaches to calculating a stress tensor from the principal stresses; these include the Von Mises (signed and unsigned), the maximum principal stress approach, the P1 principal stress approach and the ASME approach.

FEARCE will calculate fatigue safety factors for defined regions based upon either infinite or defined life. Calculate stress/strain histories for non-linear analyses. Calculate Haigh and Dang Van diagrams for linear analyses. All results can be displayed on the actual FE model as numeric values or colour contours.

FEARCE can also perform reliability calculations by defining the standard deviation on all material properties and loads. This enables the calculation of the number of failures within a given life span.

Key Features

  • Large array of linear and non-linear fatigue algorithms
  • Flexibility in equivalent uniaxial stress calculation
  • Automatic generation of Haigh diagrams
  • Results displayed directly onto models
  • Prediction of Number of Failures

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