结构力学求解器怎么用?

2024-11-27 16:35:47
推荐回答(2个)
回答1:

【结构设计师】
【1.问题出在哪里?】
答:要想算位移,要定义材料性质啊。就是抗弯刚度等等。
EA,单元抗拉刚度;EA=0,抗拉刚度未定义;EA=-1,抗拉刚度无穷大;
EI,单元抗弯刚度; EI=0,抗弯刚度未定义; EI=-1,抗弯刚度无穷大;
m, 单元的均布质量;m=0,均布质量未定义;m=-1,均布质量无穷大;
Mu, 单元的极限弯矩;Mu=0,极限弯矩未定义;Mu=-1,极限弯矩无穷大;
GA, 单元的抗剪刚度;GA=-1,不考虑剪切变形,等效于抗剪刚度无穷大。
【2.如何操作?】
我把一个例子发给你,你新建工程后直接粘贴到里面。对应着看看。你什么地方漏了。
默认的刚度是无穷大,因此位移挠度都是0.
………………………………………………………………………………………………
变量定义,L=6,H=L/2
结点,1,0,0
结点,2,L,0
结点,3,0,H
结点,4,L,H
单元,1,3,1,1,0,1,1,1
单元,3,4,1,1,1,1,1,0
单元,4,2,1,1,0,1,1,1
结点支承,1,4,0,0,0
结点支承,2,6,0,0,0,0
结点荷载,3,1,10,0
单元荷载,2,3,20,0,1,90
变量定义,E=2.6e5,A=0.4*0.6,I=0.4*0.6**3/12
变量定义,EA=E*A,EI=E*I
单元材料性质,1,3,EA,EI,1,1,-1
………………………………………………………………………………………………
以上设置出来的位移量为:
杆端位移值 ( 乘子 = 1)
-----------------------------------------------------------------------------------------------
杆端 1 杆端 2
---------------------------------------- ------------------------------------------
单元码 u -水平位移 v -竖直位移 θ-转角 u -水平位移 v -竖直位移 θ-转角
-----------------------------------------------------------------------------------------------
1 0.00000000 0.00000000 -0.02665671 0.10971214 -0.00318204 -0.05639871
2 0.10971214 -0.00318204 -0.05639871 0.10756092 -0.00258720 0.07642499
3 0.10756092 -0.00258720 -0.05378046 0.00000000 0.00000000 0.00000000
-----------------------------------------------------------------------------------------------

有问题可以追问!

【热轧轻工30a,A=4990mm2,I=77800000mm4,E=206 MPa】下面文字可以直接复制进去
变量定义,L=6,H=L/2

C “结点”中定义:
结点,1,0,0
结点,2,L,0
结点,3,0,H
结点,4,L,H

C “单元”中定义:
单元,1,3,1,1,0,1,1,1
单元,3,4,1,1,1,1,1,0
单元,4,2,1,1,0,1,1,1

C “位移约束”中定义:
结点支承,1,4,0,0,0
结点支承,2,6,0,0,0,0

C “荷载条件”中定义:
单元荷载,2,3,50000000,0,1,90

C “变量定义”中定义变量:E,A,I
变量定义,E=2.06e5,A=4990,I=7.78e7

变量定义,EA=E*A,EI=E*I
C “材料性质”中定义
单元材料性质,1,3,EA,EI,1,1,-1

回答2:

操作步骤
1.双击桌面上的"求解器"图标,再单击"求解器"的封面进入使用状态;
2.键入数椐文件名(如TITLE,XXXX),逐行输入数椐(也可用命令方式输入);
3.将数椐文件存盘 ,单击桌面上方的"文件",在文件菜单中点"保存"或"另存为",键入文件名, 点"确定";
4.再单击"文件",在文件菜单中点"退出";
5.见提示"?此命令将结束本次SM Solver!" 点"取消"或'确定",重新进入SM Solver;
6.单击"文件",在文件菜单中点"打开";
7.点所要运行的数椐文件名,并单击"确定";
8.单击桌面下方的"观览器"图标,(桌面上显示结构计算简图的形状),并单击"最大化"按钮,将图形放大;
9.单击桌面上方的"标注",在"标注"菜单中点所要显示的参数; (如无误,则进行下一步,若有误,则进行修改)
10.单击"观览器"图标,点桌面上方的"求解";
11.在"求解"菜单中,点所要计算的内容(如内力计算、位移计算等),即可显 示计算结果(如各杆杆端的内力或位移,对照结构的单元编号或结点编号阅读);
12.单击所要显示的内力类型(轴力、剪力、弯矩)及显示对象(如"结构"或"单元");
13.单击"观览器"图标,则显示出内力图或位移图;  14.重复单击"观览器"图标,即可选定和显示不同的内力图;  15.逐层单击标题栏右边的"关闭"按钮,当显示:"此命令将结束本次SM Solver的 运行"或提示"结力求解器!Overflow"时,则点"确定"退出.

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