Structural & Durability

Stiffness

§ Global & Local stiffness

Strength

§ Complete Closure strength (Sag & Set, Overbending …)
§ Tightening and preload effect
§ Local Strength, Trailer, Towing …
§ Instability (Oil canning, Snowload …)

Durability

§ Quasi-Static Fatigue
§ Dynamic Fatigue