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[结构分析] 3D杆单元与壳连接 |
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点评
是啊,一个杆只能划分一个杆单元;这与划分多个(细分)梁单元提高精度不同。
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点评
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模拟结构一定是正定的或半正定的,用3个杆单元连成U形显然不正定,实际也构不成结构,不用算的..
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