SIF evaluation in Ansys Workbench

- October 3, 2017 at 7:43 am
  
  Carlo_M
  Subscriber
  
  I am wondering how Ansys evaluates the stress intensity factor in workbench for a pre-meshed crack.
  
  Is this by a domain integral or a contour integral?
- October 4, 2017 at 12:56 am
  
  pgl
  Ansys Employee
  
  Workbench uses the Contour Integration approach (CINT). Contours are numbered radially outward, and there's no limit on the number of contours.
  
  Both an Interaction Integral Method and Displacement Extrapolation Method are available in Mechanical APDL (see here) and you can insert a CINT,TYPE, SIFS based command snippet into your Workbench Mechanical simulation to specify the method directly if you don't wish to use the ANSYS Workbenches automated crack procedure. etc.

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