abaqus在初始步定义位移⼀转角的边界条件有什么作用呢?

2025-03-15 22:28:53
推荐回答(2个)
回答(1):

约束U1方向位移,也就是U1方向不可以动,U1,U2没有选就是可以动。
但也看你怎么建模的,比如如果是轴对称模型,那么可能发生的位移只有U2,UR3,其他方向位移即使不约束,也不会动。

回答(2):

初始中定义的边界条件就是默认这些条件在之后的各步中固定不变。
你注意在窗口最下方的注意:
Note:The displacement value will be maintained in subsequent steps.
这就是说你定义的这个点的几个属性中(U1,U2,U3,UR1,UR2,UR3)只要是打钩的,在分析是不变的,也就是为0。
你现在U1打钩就是指分析中这个点在x方向坐标固定不变。
U1,X方向位移
U2,Y方向位移
U3,Z方向位移
UR1,X方向转角
UR2,Y方向转角
UR3,Z方向转角

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