Natural frequencies and modes of three-dimensional space frameworks are analyzed using continuous beam element.
采用连续梁单元计算三维空间框架结构的固有频率和振型。
参考来源 - 基于连续梁单元的空间框架结构振动分析·2,447,543篇论文数据，部分数据来源于NoteExpress
使用变换关系将该矩阵转换为空间连续梁单元的动态刚度矩阵，该刚度矩阵能够正确地描述空间连续梁单元的物理模型。
This matrix can be translated into dynamic stiffness matrix, which is applied to describe the physical model of space continuous beam correctly.
采用三维实体单元和杆单元相结合的空间组合有限元方法，对一座两跨曲线预应力混凝土箱形连续梁桥进行空间受力分析。
Using a spatial composite finite element method, combining three-dimensional solid element and bar element, the mechanical analysis of a two-span curved PC continuous box girder bridge is conducted.
利用单元局部频率变化率法和单元模态应变能比法，对连续梁桥进行了损伤诊断的数值模拟研究。
Based on element local frequency change ratio method and element modal strain energy ratio method, numerical study is carried on to detect the damage of the bridge.
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