结构力学求解器使用范例
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2.19分析如图所示体系的几何组成。
解：
结点,1,0,0
结点,2,10,0
结点,3,20,0
结点,4,5,-5
结点,5,15,-5
结点,6,10,-10
单元,1,2,1,1,0,1,1,0
单元,2,3,1,1,0,1,1,0
单元,3,5,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,4,1,1,0,1,1,0
单元,4,1,1,1,0,1,1,0
单元,4,2,1,1,0,1,1,0
单元,2,5,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,6,2,0,0,0
结点支承,3,1,0,0
位移模型：静态显示
解答:有2个多余约束，体系自由度为1，的几何瞬变体系。
3.25计算静定多跨梁的支座反力，并画出梁的内力图。
解：
结点,1,0,0
结点,2,6,0
结点,3,7.5,0
结点,4,12,0
结点,5,14,0
结点,6,18,0
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,0
单元,3,4,1,1,0,1,1,1
单元,4,5,1,1,1,1,1,0
单元,5,6,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,2,1,0,0
结点支承,4,1,0,0
结点支承,6,1,0,0
单元荷载,1,1,20,1/2,90
单元荷载,3,1,10,1/2,90
单元荷载,4,3,2,0,1,90
单元荷载,5,3,2,0,1,90
尺寸线,1,0.5,0.5,7.8,1.0,0.5,0,-3,3m,3,-3,3m,6,-3
尺寸线,1,0.5,0.5,7.8,0.5,0.5,6,-3,1.5m,7.5,-3,2m,9.5,-3,2.5m,12,-3,2m,14,-3 尺寸线,1,0.5,0.5,7.8,1,0.5,14,-3,4m,18,-3
解答：
弯矩图
剪力图
轴力图
4.14计算E上各杆端截面内力。
解：
结点,1,0,0
结点,2,4,0
结点,3,8,0
结点,4,0,3
结点,5,4,3
结点,6,8,3
单元,1,4,1,1,0,1,1,1
单元,4,5,1,1,1,1,1,1
单元,5,6,1,1,1,1,1,1
单元,6,3,1,1,1,1,1,0
单元,5,2,1,1,1,1,1,0
结点支承,1,1,0,0
结点支承,2,1,90,0
结点支承,3,1,0,0
单元荷载,2,1,8,1/2,90
单元荷载,3,1,8,1/2,90
单元荷载,1,3,3,0,1,90
尺寸线,1,0.2,0.1,7.8,1.0,0.5,0,-1.5,2m,2.0,-1.5,2m,4,-1.5,2m,6,-1.5,2m,8,-1.5 尺寸线,1,0.2,0.1,7.8,1.0,0.5,9.5,0,3m,9.5,3
解答：
8.5作C截面内力影响线。
解：
结点,1,0,0
结点,2,2,0
结点,3,4,0
结点,4,6,0
结点,5,6,0.5
结点,6,4,0.5
结点,7,2,0.5
结点,8,0,0.5
单元,1,2,1,1,0,1,1,1
单元,2,3,1,1,1,1,1,1
单元,3,4,1,1,1,1,1,0
单元,4,5,1,1,0,1,1,0
单元,5,6,1,1,0,1,1,0
单元,6,7,1,1,0,1,1,0
单元,7,8,1,1,0,1,1,0
单元,8,1,1,1,0,1,1,0
单元,7,2,1,1,0,1,1,0
单元,6,3,1,1,0,1,1,0
结点支承,1,2,-90,0,0
结点支承,4,1,0,0
影响线参数,-2,1,1/2,3
影响线参数,-2,1,1/2,2
尺寸线,1,0.2,0.1,7.8,1,0.5,0,-1,1m,1,-1,1m,2,-1,2m,4,-1,2m,6,-1
文本,1,-0.3,C,0,0,7.8
Mc上乘时影响线
Mc下乘时影响线
9.22求C点挠度。已知p=9kn,q=15kn/m,梁为18号工字钢，
I=1660cm^4,h=18cm,E=2.1*10^8kpa。
解：
结点,1,0,0
结点,2,3,0
结点,3,1.5,0
结点,4,-0.9,0
单元,4,1,1,1,1,1,1,1
单元,1,3,1,1,1,1,1,1
单元,3,2,1,1,1,1,1,0
结点支承,1,3,0,0,0
结点支承,2,1,0,0
单元荷载,3,3,15,0,1,90
单元荷载,2,3,15,0,1,90
结点荷载,4,1,9,-90
单元材料性质,1,3,642600,3486,0,0,-1
解答：
C点挠度，0.00323123m,竖直向下