This paper divides the equilibriumstateof unstable system into two state: one is geometrical stable equilibrium state, the other is elastic stable equilibrium state.
本文将其受力状态分解为两部分，一是几何稳定平衡状态，二是弹性稳定平衡状态。
2
A state transfer matrix differential equation was derived from the three-dimensional equilibrium equations and constitutive equations of a homogeneous, isotropic linear elastic body.