BERMAN updating arithmetic makes use of experimental model matrix and eigenvalue to modify the finite element academic model, based on the model orthographical condition of non-damping system.
BERMAN修正方法基于无阻尼系统的模态正交条件，利用实验模态矩阵和特征值对有限元理论模型进行修正。
A given district's system condition may be expressed as taking degree of mankind's farming behavior extent to the key element the agricultural water and soil environment.
某区农业水土环境系统的状态可由人类农事活动对农业水土环境要素及其构成类型的进占程度描述。
Abstract A finite element model for thefront door system is build, boundary condition is performed to simulate thereal situation, time history of stress is obtained through calculating byABAQUS.
摘要以某型轿车车门为例，建立了前侧门系统的有限元模型，施加了边界条件以模拟实际工况，并采用 ABAQUS求解器计算获得了应力时间历程。
The study provides bases for boundary condition processing through finite element analysis of the spindle bearing system.
根据理论模型编制了轴承刚度的计算软件，为转台轴系有限元分析中边界条件的处理提供了依据。
The study provides bases for boundary condition processing through finite element analysis of the spindle bearing system.
根据理论模型编制了轴承刚度的计算软件，为转台轴系有限元分析中边界条件的处理提供了依据。
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