Nonlinear stiffnesscharacteristics of an air spring were analyzed (FEA) by a nonlinear finite element analysis package.
应用abaqu S非线性有限元分析软件，对空气弹簧进行有限元建模，计算其静态刚度特性。
2
When a dynamical model of the practical engineering structures is set, the stiffnesscharacteristics of the elastic elements must be determined.
建立实际工程结构的功力学模型时，需确定其弹性元件的刚度特性。
3
The corresponding generalized stiffness matrix depends on both the stiffnesscharacteristics and the geometrical constraint characteristics of the system.