EngiRef / Formulas

Poisson's Ratio

Ratio of lateral to axial strain

Stress & Strain

Source Details

Id

mat-poissons-ratio

Name

Poisson's Ratio

Discipline

materials

Category

Stress & Strain

Latex

\nu = -\frac{\varepsilon_{transverse}}{\varepsilon_{axial}}

Description

Ratio of lateral to axial strain

Conditions

Small strains; typical values depend on material

Variables
[
  {
    "symbol": "ν",
    "name": "Poisson's Ratio",
    "unit": "",
    "siUnit": ""
  },
  {
    "symbol": "εₜ",
    "name": "Transverse Strain",
    "unit": "",
    "siUnit": ""
  },
  {
    "symbol": "εₐ",
    "name": "Axial Strain",
    "unit": "",
    "siUnit": ""
  }
]
Solve For

ν, εₜ, εₐ

Tags

poisson, ratio, lateral, contraction

Is Custom

false