Materials
Fatigue stress ratio
Calculates the R ratio as minimum stress divided by maximum stress.
Related calculators
Fatigue mean stress
Calculates mean stress from maximum and minimum stress.
Fatigue stress amplitude
Calculates stress amplitude from maximum and minimum stress.
Simple Basquin cycles to failure
Estimates cycles from a simplified Basquin model; coefficients are user-provided.
Gerber fatigue safety factor
Calculates safety factor for proportional load scaling in a simplified Gerber criterion.
Simple Goodman safety factor
Calculates a helper safety factor from a simple Goodman equation using user-provided values.
Miner damage sum for three blocks
Calculates a helper Miner damage sum for three cycle blocks from user-provided values.