FEARCE - durability analysis

FEARCE applications

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 Multiaxial Goodman methods. For non-linear analyses, the SWT, Brown-Miller and Fatemi and Socie methods can be employed.

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

FEARCE can perform reliability calculations defined by standard deviation on all material properties and loads. This enables the calculation of the number of failures within a given life span. FEARCE can also calculate: fatigue safety factors for defined regions based on defined life; stress histories for non-linear analyses; and Haigh and Dang Van diagrams for linear analyses. All results can be displayed on the actual finite element (FE) model as numeric values or colour contours.

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 in models
  • Reliability calculations needed for prediction of number of failures

Relevant publications