Closed-form models
Calculators
Closed-form engineering calculations, each documented with its model assumptions and validity limits — every model tested against hand-calculated reference values.
- Micro-mechanicsfiber + matrix → ply
- Laminate TheoryABD + first-ply failure
- Beam & Vesselsizing + safety factors
- Unit ConverterGPa ↔ psi · °C ↔ °F
- Sandwich Panelhoneycomb core · wrinkling
- Mohr's Circleprincipal stresses
- Column BucklingEuler · Johnson
- Bolted Jointpreload · torque
- Shaft Designfatigue · Goodman
- Compression Springrate · fatigue
- Spur GearsAGMA bending · pitting