Fatigue Life Predictor

Advanced fatigue life prediction using S-N curves, crack growth models, and cumulative damage analysis. Essential for structural integrity assessment and maintenance planning.

Select Material

Steel 1045

Medium carbon steel

Aluminum 7075-T6

High strength aluminum

Titanium Ti-6Al-4V

Aerospace grade titanium

Stainless Steel 316L

Corrosion resistant steel

Loading Spectrum

S-N Curve Fatigue Analysis

Traditional stress-life approach using S-N curves and mean stress corrections.

Maximum Stress (MPa):

Minimum Stress (MPa):

Mean Stress Correction:

Surface Finish Factor:

Size Factor:

Temperature (°C):

S-N Curve

Crack Growth Analysis (Paris Law)

Fracture mechanics approach using crack growth rate models.

Initial Crack Size (mm):

Critical Crack Size (mm):

Stress Range (MPa):

Stress Ratio (R = σmin/σmax):

Geometry Factor (Y):

Environment:

Crack Growth Curve

Cumulative Damage Analysis (Miner's Rule)

Multi-level loading analysis using linear damage accumulation.

Loading Blocks

Stress Level (MPa)	Number of Cycles	Damage Ratio	Actions
		-
		-

Probabilistic Fatigue Analysis

Statistical approach considering scatter in material properties and loading.

Reliability Level (%):

Stress Scatter (COV %):

Material Scatter (COV %):

Nominal Stress (MPa):

Loading Distribution:

Design Life (cycles):

Safety Assessment

Comprehensive safety analysis with damage tolerance and inspection intervals