VDI 2230 (003): Spring Model and Force Distribution
A detailed look at the core physical model of VDI 2230: the spring model (Federmodell), the elastic resiliences Ξ΄S and Ξ΄P, the joint diagram (Verspannungsschaubild), the physical meaning of the force ratio Ξ¦, and the full derivation logic of the main equation Eq.16.