Reducing the order of a large structural finite element model is important in improving the efficiency of finite element analysis in the field of structural dynamics and vibration.

对大型复杂结构振动有限元模型进行减缩降阶，是使结构有限元模型可有效地用在结构动力分析和振动计算方面的一个重要措施。

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Finite Element model was developed with actual tyre loads to analyze asphalt pavement structural combinations meeting the standards of perpetual pavement.

采用实测轮胎荷载建立有限元模型，分析了满足长寿命路面要求的沥青路面结构组合。

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Structural free vibration characterization and seismic response were calculated by means of beam-plate linear mathematical model of finite element method.

采用梁、板线性有限元数学模型计算了结构自振特性和地震响应。

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