结构力学矩阵位移法上机做法详解

113 .000000 121 .000000 122 .000000 123 .000000 131 .000000 132 .000000 133 .000000

( NA= 438 ) ( NW= 1319 )

Loading Case 1

The Loadings at Joints

NLJ= 4

ILJ PX PY PM 2 .0000 .0000 4 .0000 .00000 6 .0000

7 .0000 .0000

The Loadings at Members

NLM= 7

ILM ITL PV DST 2 4 3 2 4 3 8 4 10 2 11 4 12 3

The Results of Calculation

The Joint Displacements

joint u v phi 1 2 3

4 5 6 7 8 9 10 11 12 13

The Terminal Forces

member N(st) Q(st) M(st) N(en) Q(en) M(en) 1 2 3 4 5 6 7 8 9

10 11 12 13 14 15

( NA= 438 ) ( NW= 1347 )

刚架内力图绘制（按照每个节点的上面的运行结果最后一大块数据，就是各个杆件的两端力大小，根据这个图绘制出剪力，弯矩，轴力图等，下面两道题目相较简单，不详述，注意的是桁架题目中，杆件面积矩尽量小，比如取2e-18，则可以排除剪力弯矩的影响）