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关于RM定义均布荷载时,“Nodal Load” 选项的理解
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wangke81168720
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May 20, 2008, 6:23:37 AM
5/20/08
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对于梁单元有限程序,程序程序得到荷载向量常规的方法,是首先对逐个单元建立刚度矩阵与力的向量,力的向量包括了2个节点分别六个力的分量,总共12个分量,由通常的算法得到时,对于垂直分布于梁上的均荷载,转化到梁节点时,是会有两个弯矩的, 则选择Node load时,均布荷载向节点缩聚,仅考虑为集中力。
详见附件中模型的对比。
wangke81168720
2008-05-20
nodal load.rar
江安
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May 20, 2008, 10:34:52 AM
5/20/08
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好!非常清楚!
2008/5/20 wangke81168720 <
wangke8...@gmail.com
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