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FRANC3D Version 5.0

FRANC3D Version 5.0. with ANSYS. Create an uncracked 3D model with all boundary conditions, material properties, etc. cut-surface. Extract a sub-volume that will contain the crack and define a node component or set of the cut-surface and save this to a . cdb file.

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FRANC3D Version 5.0

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  1. FRANC3D Version 5.0 with ANSYS

  2. Create an uncracked 3D model with all boundary conditions, material properties, etc

  3. cut-surface Extract a sub-volume that will contain the crack and define a node component or set of the cut-surface and save this to a .cdb file.

  4. Save the remainder of the model to a different .cdb file.

  5. retained cut-surface mesh facets Import the sub-volume .cdb file into FRANC3D and retain the cut-surface mesh facets.

  6. crack front template Insert an initial crack into the model. initial crack

  7. retained cut-surface mesh facets FRANC3D inserts the crack into the model and remeshes while retaining the cut-surface facets. initial crack

  8. FRANC3D writes a .cdb file containing the cracked mesh information and combines this with the remaining portion of the model.

  9. ANSYS analysis provides displacements, stresses, etc for the full model.

  10. In particular, ANSYS provides the displacements at the crack front, which are used by FRANC3D to compute stress intensity factors.

  11. FRANC3D computes Modes I, II, and III stress intensity factors along the crack front.

  12. FRANC3D uses the computed stress intensity factors to grow the crack.

  13. Crack growth simulations provide stress intensity factor histories for computing fatigue life and indicate crack paths and possible damage scenarios – click slide to play.

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