To predict the wheel's noise radiation, a FEM analysis model of the wheel is developed. Based on the modal superposition method, the radial receptance of the wheel is calculated.
为了预测车轮辐射的滚动噪声，本文建立了车轮有限元模型，对车轮进行了模态分析，并运用模态叠加方法计算了车轮的径向导纳。
The modal superposition method is often used for computing the Perturbation of eigenvectors in the modification for structural and correCtion for model.
模态展开法是计算特征向量摄动量的常用方法之一，但当高阶模态被截断时。
Based on the superposition principle of linear elasticity, a static model test method — single input, multiple output — was proposed for the static test of such structure.
基于弹性力学的线性叠加原理，针对多点承载桁架式卫星结构的静力试验，提出“单点加载，多点输出”的测试方法。
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