The Nonlinear Finite Element Analysis was applied to study the stress and modal of an air spring, which is composed of composites with multiple orthotropic materials.
运用非线性有限元分析技术，对由多层正交各向异性复合材料组成的某型空气弹簧进行了应力和模态分析。
During the finite element calculation of vehicle frame, the simulation of front leaf spring in the complete frame finite element mould must be considered.
在汽车车架有限元计算中，必须考虑前钢板弹簧在整个车架有限元模型中如何模拟。
For surface crack in pipe, this paper presents the finite element model including line spring element that is used for J integration calculation, as well as numerical examples.
对管道上的表面裂纹采用线弹簧单元，建立了裂纹管道J积分计算的有限元模型，给出了J积分的计算实例。
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