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Fracture Mechanics Analysis

Home Fracture Mechanics Analysis

FAQ Category: Fracture Mechanics Analysis

What Are Valid Extractions of Stress Intensity Factors (SIF)?

  • Date: February 26, 2018
  • By: brent
  • Categories: Fracture Mechanics Analysis
Valid extractions of stress intensity factors (SIF) via the Fracture or Points tabs are as follows:
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What Are Some Tips for Automeshing 3D Cracks for Accurate SIF Computation?

  • Date: January 13, 2021
  • By: brent
  • Categories: Fracture Mechanics Analysis, Meshing & Discretization
When extracting stress intensity factors (SIF's or K's) along a crack front that has been automeshed with tetra elements, the recommendation is to have two layers of refinements close to each other to reduce the aspect ratio of the tetras in the region of extraction; this mesh refinement strategy will minimize the mapping effect in the results and is applicable both for SIF and J-integral extractions.
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Why Are There SIF Drops At Free 3D Faces?

  • Date: March 16, 2017
  • By: ESRD Admin
  • Categories: Fracture Mechanics Analysis
The nature of the singularity changes as you approach a free edge – then there are both the edge and the free face corner singularities.
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“In the case of the through crack configuration, the comparison of experimental and StressCheck derived geometry factors showed a close correlation and were an improvement to solutions provided in AFGROW at the time. Based on the results of this research, StressCheck pin-loaded lug geometry factors have since been incorporated into the AFGROW software.”

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