结构力学矩阵分析与程序设计上机报告

结构力学矩阵分析与程序设计上机报告
例题4-5
结点,1,0,0
结点,2,6,0
结点,3,16,0
结点,4,24,0
单元,1,2,1,1,1,1,1,1
单元,2,3,1,1,1,1,1,1
单元,3,4,1,1,1,1,1,1
结点支承,1,2,-90,0,0
结点支承,2,1,0,0
结点支承,3,1,0,0
结点支承,4,6,90,0,0,0
单元荷载,1,3,3,0,1,90
单元荷载,2,1,8,1/2,90
单元荷载,3,1,16,3/8,90
尺寸线,1,0.3,0.3,15,1.0,0.5,0,-3,6m,6,-3,5m,11,-3,5m,16,-3,3m,19,-3,5m,24,-3
单元材料性质,1,1,-1,20,0,0,-1
单元材料性质,2,3,-1,10,0,0,-1
答案：M21=-9.48kN.m M32= M34=-13.44kN.m M43=-13.90kN.m
例题4-6
结点,1,0,0
结点,2,0,5
结点,3,5,5
单元,1,2,1,1,1,1,1,1
单元,2,3,1,1,1,1,1,1
结点支承,1,6,0,0,0,0
结点支承,3,6,90,0,0,0
单元荷载,1,3,6,0,1,90
单元荷载,2,1,8,1/2,90
结点荷载,2,-2,5
尺寸线,1,0.3,0.3,15,1.0,0.5,-1,0,5m,-1,5
尺寸线,1,0.3,0.3,15,1.0,0.5,0,-0.5,2.5m,2.5,-0.5,2.5m,5,-0.5
单元材料性质,1,2,10000000,1000000,0,0,-1
答案：M12=-14.52kN.m M21= -10.16kN.m M23=-5.16kN.m M32=-5.16kN.m