Von Mises Stress Calculator
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⚑ Von Mises Stress Calculator

Calculate Von Mises stress, equivalent stress, and failure criteria for ductile materials

πŸ“ Von Mises Stress Formulas

Οƒ_vm = √(σ₁² + Οƒβ‚‚Β² + σ₃² - σ₁σ₂ - σ₂σ₃ - σ₃σ₁)
Οƒ_vm = √(Οƒ_xΒ² + Οƒ_yΒ² - Οƒ_xΟƒ_y + 3Ο„_xyΒ²)
Οƒ_vm = √(Οƒ_axialΒ² + 3Ο„_shearΒ²)
FS = Οƒ_yield / Οƒ_vm
Οƒ_vm = Von Mises stress, σ₁,Οƒβ‚‚,σ₃ = principal stresses, Οƒ_x,Οƒ_y = normal stresses, Ο„_xy = shear stress, FS = factor of safety, Οƒ_yield = yield strength

πŸ’‘ Tips

  • Von Mises stress is used for ductile materials
  • Accounts for all stress components
  • Factor of safety should be β‰₯ 1.5
  • Use Tresca criterion for brittle materials
  • Consider fatigue for cyclic loading
  • Include stress concentrations in design

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