The paper analyses the stress wave propagating in a variable section bar using HONDO finite element computer program .
利用HONDO有限元程序对应力波在变截面杆中的传播进行了分析。
Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through "variable cross-section" of metal bar embeded layer was put forward.
运用波动的经典理论，提出了导波在金属杆嵌入层“变截面”传播时波速改变的“等效弹性模量”的概念。
When the 8 bar mechanism turn into 9 bar mechanism, the variable section curve of the piston skirt can be formed by the 9 bar mechanism.
当把该八杆机构变成九杆机构时，该九杆机构可以成型活塞变截面曲线。
But when the bar of the structure is subjected to a lot of lateral loads, or when it is with variable cross-section, the resolving process could become quite tedious.
而当结构中的杆件受到较多的横向载荷作用时，或者结构中的杆件为变截面时，这种方法解题过程变得非常冗长。
But when the bar of the structure is subjected to a lot of lateral loads, or when it is with variable cross-section, the resolving process could become quite tedious.
而当结构中的杆件受到较多的横向载荷作用时，或者结构中的杆件为变截面时，这种方法解题过程变得非常冗长。
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