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Summary of Failure Criteria solidworks simulation

The following table summarizes the failure criteria used to assess the safety of designs.

Criterion Factor of Safety Material Type
Maximum von Mises stress σlimit / σvonMises Ductile
Maximum shear stress σ limit / (2 * τmax ) Ductile
Mohr-Coulomb stress
  • If ( σ1> 0 and σ3 > 0 ) then ( σ1 ≥ σTensileLimit )
  • If ( σ1< 0 and σ3 < 0 ) then ( σ3 ≥ -σCompressiveLimit )
  • If ( σ1≥ 0 and σ3 ≤ 0 ) then ( σ1 / σTensileLimit + σ3 / -σCompressiveLimit ≥1 )
Brittle materials with different tensile and compressive strengths
Maximum normal stress σ limit / σ1

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