zero dimension element with crack 含裂纹零维度单元
two-dimension fastener element 二维紧固件元
three dimension finite element model 三维有限元模型
three-dimension finite-element model 三维有限元模型
three dimension finite element method 三维有限元法 ; 空间有限单元法
3-dimension finite element 三维有限元
two dimension finite element 二维有限元
three dimension bolt element 三维锚杆单元
Methods Build the model by 3 dimension element analysis, record the results through program SAP84 (V4.2) and do mechanics analysis.
方法采用三维有限元法建立数值模型，利用SAP84 (V4.2)程序计算并作力学分析。
This paper treats a pipe as a beam or as a thin shell. Then, the effect of cracks on the dynamic characteristics of pipes is calculated by means of the model of zero dimension element with crack.
在考虑管道长度特征的前提下，把管道近似地看作长梁或薄壳，然后以“含裂纹零维度单元”模型（即垂直于裂纹面方向的单元尺度为零）计算出裂纹对管道动态特性的影响。
An important and often difficult decision to make is whether an aggregation level actually is an element of a (structural) hierarchy, or whether it simply is a property of an item in the dimension.
一个通常难以做出的重要决策就是一个聚集层是否真正是(结构化)层次结构的一个元素，或它是否仅仅是维度中一项的属性。
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