EngiRef / Formulas

Miner's Rule (Cumulative Damage)

Linear damage accumulation rule

Fatigue

Source Details

Id

mat-miner

Name

Miner's Rule (Cumulative Damage)

Discipline

materials

Category

Fatigue

Latex

\sum \frac{n_i}{N_i} = 1

Description

Linear damage accumulation rule

Conditions

Order-independent; assumes no interaction effects

Variables
[
  {
    "symbol": "nᵢ",
    "name": "Cycles at Stress Level i",
    "unit": "",
    "siUnit": ""
  },
  {
    "symbol": "Nᵢ",
    "name": "Cycles to Failure at Level i",
    "unit": "",
    "siUnit": ""
  }
]
Solve For

nᵢ, Nᵢ

Tags

miner, cumulative, damage, fatigue, rule

Is Custom

false