結(jié)構(gòu)力學(xué)課程設(shè)計(jì)報(bào)告

1、 結(jié)構(gòu)力學(xué)課程設(shè)計(jì)報(bào)告院 系： 城市建設(shè)學(xué)院 目 錄一、 封面······································1二、 目錄······

2、;································2三、 結(jié)構(gòu)力學(xué)課程設(shè)計(jì)練習(xí)題···············&#

3、183;····31、 第一小題·····························32、 第二小題·············

4、3;···············43、 第三小題·····························64、 第四小題···

5、··························75、 第五小題······················

6、3;······106、 第六小題·····························137、 第七小題···········

7、3;·················158、 第八小題·····························17四、 結(jié)構(gòu)力學(xué)課程設(shè)計(jì)

8、心得體會(huì)··················18結(jié)構(gòu)力學(xué)課程設(shè)計(jì)練習(xí)題第一題19 / 19文檔可自由編輯打印結(jié)點(diǎn),1,0_m,0_m結(jié)點(diǎn),2,8_m,0_m結(jié)點(diǎn),3,16_m,0_m結(jié)點(diǎn),4,24_m,0_m結(jié)點(diǎn),5,32_m,0_m結(jié)點(diǎn),6,40_m,0_m結(jié)點(diǎn)支承,1,6,-90,0,0,0單元,1,2,1,1,1,1,1,1單元,2,3,1,1,1,1,1,1單元,3,4,1,1,1,1,1,1單元,4,5,1

9、,1,1,1,1,1單元,5,6,1,1,1,1,1,0結(jié)點(diǎn)支承,2,1,0,0結(jié)點(diǎn)支承,3,1,0,0結(jié)點(diǎn)支承,4,1,0,0結(jié)點(diǎn)支承,5,1,0,0結(jié)點(diǎn)支承,6,1,0,0單元荷載,1,3,17_kN/m,0,1,90單元荷載,2,1,40_kN,1/2,90單元荷載,4,1,20_kN,1/2,90文本,3,4.7,q=17kN/m,0,0,9.6文本,12.7832,4.5248,P1=40(kN),0,0,9.6文本,28.8992,4.6136,P2=20(kN),0,0,9.6結(jié)點(diǎn)荷載,3,-2,100_kN*m文本,18.6275,1.7730,M=100kN·m,0

10、,0,9.6尺寸線,1,0.2,0.1,7.8,1.0,0.5,0,-5.50,L=8m,8.00,-5.50尺寸線,1,0.2,0.1,7.8,1.0,0.5,32,-5.50,L=8m,40,-5.50尺寸線,1,0.2,0.1,7.8,1.0,0.5,16,-5.5,L=8m,24.,-5.5尺寸線,1,0.2,0.1,7.8,1.0,0.5,16,-5.5,L=8m,24.,-5.5尺寸線,1,0.2,0.1,7.8,1.0,0.5,8,-5.5,L=8m,16.0,-5.5尺寸線,1,0.2,0.1,7.8,1.0,0.5,24,-5.5,L=8m,32,-5.50單元材料性質(zhì),1,

11、5,-1,20000_kN*m2,0,0,-1第1題彎矩圖： 第二題結(jié)點(diǎn),1,0,0結(jié)點(diǎn),2,9,0結(jié)點(diǎn),3,18,0結(jié)點(diǎn)生成,1,3,1,3,1,0,5.4結(jié)點(diǎn)生成,1,3,4,6,1,0,4.2結(jié)點(diǎn)生成,1,3,7,9,1,0,4.2結(jié)點(diǎn)生成,1,3,10,12,1,0,4.2單元,1,4,1,1,1,1,1,1單元,4,5,1,1,1,1,1,1單元,5,6,1,1,1,1,1,1單元,6,3,1,1,1,1,1,1單元,7,4,1,1,1,1,1,1單元,8,5,1,1,1,1,1,1單元,9,6,1,1,1,1,1,1單元,10,7,1,1,1,1,1,1單元,11,8,1,1,1,

12、1,1,1單元,12,9,1,1,1,1,1,1單元,13,10,1,1,1,1,1,1單元,14,11,1,1,1,1,1,1單元,15,12,1,1,1,1,1,1單元,14,13,1,1,1,1,1,1單元,15,14,1,1,1,1,1,1單元,11,10,1,1,1,1,1,1單元,12,11,1,1,1,1,1,1單元,7,8,1,1,1,1,1,1單元,8,9,1,1,1,1,1,1單元,2,5,1,1,1,1,1,1結(jié)點(diǎn)支承,1,6,0,0,0,0結(jié)點(diǎn)支承,2,6,0,0,0,0結(jié)點(diǎn)支承,3,6,0,0,0,0單元荷載2,14,15,3,23.333_kN/m,0,1,-90單

13、元荷載2,16,17,3,22.5_kN/m,0,1,-90單元荷載2,18,19,3,22.5_kN/m,0,1,90單元荷載,2,5,0_kN/m,22.5_kN/m,0,1/3,90單元荷載,2,3,22.5_kN/m,1/3,2/3,90單元荷載,2,5,22.5_kN/m,0_kN/m,2/3,1,90單元荷載,3,5,0_kN/m,22.5_kN/m,0,1/3,90單元荷載,3,3,22.5_kN/m,1/3,2/3,90單元荷載,3,5,22.5_kN/m,0_kN/m,2/3,1,90單元材料性質(zhì),1,20,4000000_kN,16000_kN*m2,0,0,-1單元荷載,

14、14,1,112_kN,2/3,-90結(jié)點(diǎn)荷載,13,1,52_kN,0結(jié)點(diǎn)荷載,10,1,62_kN,0結(jié)點(diǎn)荷載,7,1,62_kN,0結(jié)點(diǎn)荷載,4,1,62_kN,0尺寸線,1,0.2,0.1,7.8,1.0,0.5,0,-2.0383,9m,9,-2.0383尺寸線,1,0.2,0.1,7.8,1.0,0.5,0,-2.0383,9m,9,-2.0383尺寸線,1,0.2,0.1,7.8,1.0,0.5,0,-2.0383,9m,9,-2.0383尺寸線,1,0.2,0.1,7.8,1.0,0.5,9,-2.0636,9m,18,-2.0636尺寸線,1,0.2,0.1,7.8,1.0,

15、0.5,20.1298,0,5.4m,20.1298,5.4尺寸線,1,0.2,0.1,7.8,1.0,0.5,20.1298,5.4,4.2m,20.1298,9.4尺寸線,1,0.2,0.1,7.8,1.0,0.5,20.1298,9.5956,4.2m,20.1298,13.9618尺寸線,1,0.2,0.1,7.8,1.0,0.5,20.1298,13.8,4.2m,20.1298,18文本,3.8216,21.9796,F=112kN,0,0,9.6文本,-5,19.8,P1=52kN,0,0,9.6文本,-5,15.6,P2=62kN,0,0,9.6文本,-5,7,P4=62kN,

16、0,0,9.6文本,-5,11.2,P3=62kN,0,0,9.6文本,13.7703,21.8999,Q1,0,0,9.6文本,13.7703,16.7466,Q2,0,0,9.6文本,13.7703,12.2869,Q3,0,0,9.6文本,13.7703.,7.8273,Q4,0,0,9.6尺寸線,1,0.2,0.1,7.8,1.0,0.5,9,2.8171, ,12,2.8171尺寸線,1,0.2,0.1,7.8,1.0,0.5,9,2.8171, ,12,2.8171尺寸線,1,0.2,0.1,7.8,1.0,0.5,12,2.9163, ,15,2.8171尺寸線,1,0.2,0.

17、1,7.8,1.0,0.5,15,2.8171, ,18,2.8171文本,2.5,1.9,5+y/3(m),0,0,9.6文本,11.5,1.9,5+y/3(m),0,0,9.6尺寸線,1,0.2,0.1,7.8,1.0,0.5,-0.0,2.8171, ,3.0,2.8171尺寸線,1,0.2,0.1,7.8,1.0,0.5,-0.0,2.8171, ,3.0,2.8171尺寸線,1,0.2,0.1,7.8,1.0,0.5,3,3.0155, ,6,2.7179尺寸線,1,0.2,0.1,7.8,1.0,0.5,6,2.8171, ,9,2.8171第2題彎矩圖第三題 結(jié)點(diǎn),1,0_m,0

18、_m結(jié)點(diǎn),2,8_m,0_m結(jié)點(diǎn),3,0_m,6_m結(jié)點(diǎn),4,8_m,6_m結(jié)點(diǎn),5,0_m,12_m單元,1,3,1,1,1,1,1,1單元,3,4,1,1,1,1,1,1單元,4,2,1,1,1,1,1,1單元,5,3,1,1,1,1,1,1結(jié)點(diǎn)支承,5,6,180,0,0,0結(jié)點(diǎn)支承,1,6,0,0,0,0結(jié)點(diǎn)支承,2,6,0,0,0,0結(jié)點(diǎn)支承,4,1,90,0單元荷載,2,3,13_kN/m,0,1,90單元荷載,1,3,20_kN/m,0,1,90單元荷載,2,-2,22_kN*m,0單元荷載,4,-1,15_kN,1/2,-90尺寸線,1,0.2,0.1,7.8,1.0,0.5,

19、0,-1.2860,4m,4,-1.2860尺寸線,1,0.2,0.1,7.8,1.0,0.5,0,-1.2860,4m,4,-1.2860尺寸線,1,0.2,0.1,7.8,1.0,0.5,0,-1.2860,4m,4,-1.2860尺寸線,1,0.2,0.1,7.8,1.0,0.5,4,-1.1878,4m,8,-1.1443尺寸線,1,0.2,0.1,7.8,1.0,0.5,-1.7291,-0.0,6m,-1.7291,6.0尺寸線,1,0.2,0.1,7.8,1.0,0.5,-1.7659,6,3m,-1.7658,9尺寸線,1,0.2,0.1,7.8,1.0,0.5,-1.7659

20、,6,3m,-1.7658,9尺寸線,1,0.2,0.1,7.8,1.0,0.5,-1.7659,6,3m,-1.7658,9尺寸線,1,0.2,0.1,7.8,1.0,0.5,-1.7843,9.0,3m,-1.7843,12文本,0.3849,8.0,22kN·m,0,0,9.6文本,5.9,7.8140,13kN/m,0,0,9.6文本,-3.5,9.3,15kN,0,0,9.6文本,-4.5,3.5202,20kN/m,0,0,9.6單元材料性質(zhì),1,4,1000,10000,0,0,-1第3題軸力圖： 剪力圖： 彎矩圖：第四題結(jié)點(diǎn),1,0_m,0_m結(jié)點(diǎn),2,5_m,0_m

21、結(jié)點(diǎn),3,9_m,0_m結(jié)點(diǎn),4,14_m,0_m結(jié)點(diǎn),5,19_m,0_m結(jié)點(diǎn),6,24_m,0_m結(jié)點(diǎn),7,29_m,0_m結(jié)點(diǎn),8,33_m,0_m結(jié)點(diǎn),9,38_m,0_m單元,1,2,1,1,0,1,1,1單元,2,3,1,1,1,1,1,1單元,3,4,1,1,1,1,1,1單元,4,5,1,1,1,1,1,1單元,5,6,1,1,1,1,1,1單元,6,7,1,1,1,1,1,1單元,7,8,1,1,1,1,1,1單元,8,9,1,1,1,1,1,0結(jié)點(diǎn)支承,1,2,-90,0,0結(jié)點(diǎn)支承,2,1,0,0結(jié)點(diǎn)支承,3,1,0,0結(jié)點(diǎn)支承,4,1,0,0結(jié)點(diǎn)支承,5,1,0,0結(jié)點(diǎn)

22、支承,6,1,0,0結(jié)點(diǎn)支承,7,1,0,0結(jié)點(diǎn)支承,8,1,0,0結(jié)點(diǎn)支承,9,1,0,0尺寸線,1,0.2,0.1,7.8,1.0,0.5,0,-5.5342,L=5m,5.0,-5.5342尺寸線,1,0.2,0.1,7.8,1.0,0.5,5.0,-5.5342,L1=4m,9.0,-5.5342尺寸線,1,0.2,0.1,7.8,1.0,0.5,9,-5.5342,L2=5m,14,-5.5342尺寸線,1,0.2,0.1,7.8,1.0,0.5,9,-5.5342,L2=5m,14,-5.5342尺寸線,1,0.2,0.1,7.8,1.0,0.5,14,-5.5342,L2=5m,

23、19,-5.5342尺寸線,1,0.2,0.1,7.8,1.0,0.5,19,-5.5342,L2=5m,24,-5.5342尺寸線,1,0.2,0.1,7.8,1.0,0.5,24,-5.5342,L2=5m,29,-5.5342尺寸線,1,0.2,0.1,7.8,1.0,0.5,29,-5.5342,L3=4m,33,-5.5342尺寸線,1,0.2,0.1,7.8,1.0,0.5,33,-5.5342,L=5m,38,-5.5342文本,9.1156,1.7446,C,0,0,12影響線參數(shù),-2,1,1/4,2單元材料性質(zhì),1,8,-1,1,0,0,-1影響線參數(shù),-2,2,1/2,3

24、影響線參數(shù),-2,2,1/3,2第4題(1) 影響線計(jì)算單位：位移(1),轉(zhuǎn)角(默認(rèn))單位荷載方向 = 向下影響線性質(zhì)： 單元 = 1截面 = 0.2500內(nèi)力 = 剪力(Q)桿端虛位移值 ( 乘子 = 1)- 桿端 1 桿端 2單元碼 u -水平位移 v -豎直位移 -轉(zhuǎn)角 u -水平位移 v -豎直位移 -轉(zhuǎn)角- 1 0.00000000 0.00000000 -0.25868672 0.00000000 0.00000000 -0.08262654 2 0.00000000 0.00000000 -0.08262654 0.00000000 0.00000000 0.02440494 3

25、 0.00000000 0.00000000 0.02440494 0.00000000 0.00000000 -0.00653906 4 0.00000000 0.00000000 -0.00653906 0.00000000 0.00000000 0.00175131 5 0.00000000 0.00000000 0.00175131 0.00000000 0.00000000 -0.00046619 6 0.00000000 0.00000000 -0.00046619 0.00000000 0.00000000 0.00011345 7 0.00000000 0.00000000 0

26、.00011345 0.00000000 0.00000000 -0.00003545 8 0.00000000 0.00000000 -0.00003545 0.00000000 0.00000000 0.00001773- (2)影響線計(jì)算單位：位移(默認(rèn)),轉(zhuǎn)角(1)單位荷載方向 = 向下影響線性質(zhì)： 單元 = 2截面 = 1/2內(nèi)力 = 彎矩(M)桿端虛位移值 ( 乘子 = 1)- 桿端 1 桿端 2單元碼 u -水平位移 v -豎直位移 -轉(zhuǎn)角 u -水平位移 v -豎直位移 -轉(zhuǎn)角- 1 0.00000000 0.00000000 -0.11149114 0.00000000 0.

27、00000000 0.22298227 2 0.00000000 0.00000000 0.22298227 0.00000000 0.00000000 -0.21354325 3 0.00000000 0.00000000 -0.21354325 0.00000000 0.00000000 0.05721681 4 0.00000000 0.00000000 0.05721681 0.00000000 0.00000000 -0.01532399 5 0.00000000 0.00000000 -0.01532399 0.00000000 0.00000000 0.00407916 6 0.

28、00000000 0.00000000 0.00407916 0.00000000 0.00000000 -0.00099265 7 0.00000000 0.00000000 -0.00099265 0.00000000 0.00000000 0.00031020 8 0.00000000 0.00000000 0.00031020 0.00000000 0.00000000 -0.00015510- (3)影響線計(jì)算單位：位移(1),轉(zhuǎn)角(默認(rèn))單位荷載方向 = 向下影響線性質(zhì)： 單元 = 2截面 = 1/3內(nèi)力 = 剪力(Q)桿端虛位移值 ( 乘子 = 1)- 桿端 1 桿端 2單元碼

29、u -水平位移 v -豎直位移 -轉(zhuǎn)角 u -水平位移 v -豎直位移 -轉(zhuǎn)角- 1 0.00000000 0.00000000 0.09097125 0.00000000 0.00000000 -0.18194251 2 0.00000000 0.00000000 -0.18194251 0.00000000 0.00000000 -0.16778399 3 0.00000000 0.00000000 -0.16778399 0.00000000 0.00000000 0.04495607 4 0.00000000 0.00000000 0.04495607 0.00000000 0.000

30、00000 -0.01204028 5 0.00000000 0.00000000 -0.01204028 0.00000000 0.00000000 0.00320505 6 0.00000000 0.00000000 0.00320505 0.00000000 0.00000000 -0.00077994 7 0.00000000 0.00000000 -0.00077994 0.00000000 0.00000000 0.00024373 8 0.00000000 0.00000000 0.00024373 0.00000000 0.00000000 -0.00012187-第五題結(jié)點(diǎn),

31、1,0,0結(jié)點(diǎn),2,7_m,0_m結(jié)點(diǎn),3,7_m,4_m結(jié)點(diǎn),4,0_m,4_m結(jié)點(diǎn),5,0_m,7.6_m結(jié)點(diǎn),6,7_m,7.6_m結(jié)點(diǎn),7,7_m,10.6_m結(jié)點(diǎn),8,0_m,10.6_m單元,1,4,1,1,1,1,1,1單元,4,5,1,1,1,1,1,1單元,5,6,1,1,1,1,1,1單元,6,7,1,1,1,1,1,1單元,7,8,1,1,1,1,1,1單元,8,5,1,1,1,1,1,1單元,3,6,1,1,1,1,1,1單元,3,4,1,1,1,1,1,1單元,2,3,1,1,1,1,1,1結(jié)點(diǎn)支承,1,6,0,0,0,0結(jié)點(diǎn)支承,2,6,0,0,0,0尺寸線,1,0

32、.2,0.1,7.8,1.0,0.5,0,-1.1290,7m,7,-1.1290尺寸線,1,0.2,0.1,7.8,1.0,0.5,-1.3706,0,4m,-1.3706,4尺寸線,1,0.2,0.1,7.8,1.0,0.5,-1.3706,7.6,3m,-1.3706,10.6尺寸線,1,0.2,0.1,7.8,1.0,0.5,-1.3706,4,3.6m,-1.3706,7.6文本,3.1248,11.2,EI=,0,0,9.6文本,3.1248,8.2,EI=,0,0,9.6文本,3.1248,4.6,EI=,0,0,9.6單元材料性質(zhì),5,5,-1,-1,56_kg/m,0,-1單

33、元材料性質(zhì),3,3,-1,-1,47.429_kg/m,0,-1單元材料性質(zhì),8,8,-1,-1,44.571_kg/m,0,-1單元材料性質(zhì),1,1,-1,298650000_N*m2,0,0,-1單元材料性質(zhì),9,9,-1,298650000_N*m2,0,0,-1單元材料性質(zhì),2,2,-1,178848000_N*m2,0,0,-1單元材料性質(zhì),7,7,-1,178848000_N*m2,0,0,-1單元材料性質(zhì),6,6,-1,23625000_N*m2,0,0,-1單元材料性質(zhì),4,4,-1,23625000_N*m2,0,0,- 自振頻率參數(shù),3,1,0.0005 第一階振型： 第5

34、題 第二階振型： 第三階振型： 振動(dòng)分析求解數(shù)目 = 3起始階數(shù) = 1誤 差 限 = .0005第 1 階頻率 = 184.76383552205振型的桿段位移值 ( 乘子 = 1)- 桿端 1 桿端 2單元碼 u -水平位移 v -豎直位移 -轉(zhuǎn)角 u -水平位移 v -豎直位移 -轉(zhuǎn)角 1 0.00000000 0.00000000 0.00000000 0.17261658 0.00000000 -0.00000000 2 0.17261658 0.00000000 -0.00000000 0.36276294 0.00000000 -0.00000000 3 0.36276294 0

35、.00000000 -0.00000000 0.36276294 -0.00000000 -0.00000000 4 0.36276294 -0.00000000 -0.00000000 1.00000000 -0.00000000 -0.00000000 5 1.00000000 -0.00000000 -0.00000000 1.00000000 0.00000000 -0.00000000 6 1.00000000 0.00000000 -0.00000000 0.36276294 0.00000000 -0.00000000 7 0.17261658 -0.00000000 -0.00

36、000000 0.36276294 -0.00000000 -0.00000000 8 0.17261658 -0.00000000 -0.00000000 0.17261658 0.00000000 -0.00000000 9 0.00000000 0.00000000 0.00000000 0.17261658 -0.00000000 -0.00000000-第 2 階頻率 = 435.176831979654振型的桿段位移值 ( 乘子 = 1)- 桿端 1 桿端 2 單元碼 u -水平位移 v -豎直位移 -轉(zhuǎn)角 u -水平位移 v -豎直位移 -轉(zhuǎn)角- 1 0.00000000 0.0

37、0000000 0.00000000 0.63488511 0.00000000 -0.00000000 2 0.63488511 0.00000000 -0.00000000 1.00000000 0.00000000 -0.00000000 3 1.00000000 0.00000000 -0.00000000 1.00000000 -0.00000000 -0.00000000 4 1.00000000 -0.00000000 -0.00000000 -0.39446606 -0.00000000 0.00000000 5 -0.39446606 -0.00000000 0.000000

38、00 -0.39446606 0.00000000 0.00000000 6 -0.39446606 0.00000000 0.00000000 1.00000000 0.00000000 -0.00000000 7 0.63488511 -0.00000000 -0.00000000 1.00000000 -0.00000000 -0.00000000 8 0.63488511 -0.00000000 -0.00000000 0.63488511 0.00000000 -0.00000000 9 0.00000000 0.00000000 0.00000000 0.63488511 -0.0

39、0000000 -0.00000000-第 3 階頻率 = 907.87975565734振型的桿段位移值 ( 乘子 = 1)- 桿端 1 桿端 2 單元碼 u -水平位移 v -豎直位移 -轉(zhuǎn)角 u -水平位移 v -豎直位移 -轉(zhuǎn)角- 1 0.00000000 0.00000000 0.00000000 1.00000000 -0.00000000 0.00000000 2 1.00000000 -0.00000000 0.00000000 -0.57791752 -0.00000000 0.00000000 3 -0.57791752 -0.00000000 0.00000000 -0.

40、57791752 0.00000000 0.00000000 4 -0.57791752 0.00000000 0.00000000 0.04017244 0.00000000 0.00000000 5 0.04017244 0.00000000 0.00000000 0.04017244 -0.00000000 0.00000000 6 0.04017244 -0.00000000 0.00000000 -0.57791752 -0.00000000 0.00000000 7 1.00000000 0.00000000 0.00000000 -0.57791752 0.00000000 0.

41、00000000 8 1.00000000 0.00000000 0.00000000 1.00000000 -0.00000000 0.00000000 9 0.00000000 0.00000000 0.00000000 1.00000000 0.00000000 0.00000000-第六題結(jié)點(diǎn),1,0,0結(jié)點(diǎn),2,8,0結(jié)點(diǎn),3,8,8結(jié)點(diǎn),4,0,8單元,1,4,1,1,1,1,1,0單元,4,3,1,1,0,1,1,0單元,3,2,1,1,0,1,1,1結(jié)點(diǎn)支承,1,6,0,0,0,0結(jié)點(diǎn)支承,2,6,0,0,0,0單元材料性質(zhì),1,2,-1,100_kN*m2,0,0,-1結(jié)點(diǎn)荷

42、載,4,1,1,-90結(jié)點(diǎn)荷載,3,1,1,-90單元材料性質(zhì),3,3,-1,300_kN*m2,0,0,-1文本,0.5163,4.3812,EI,0,0,9.6文本,3.6734,7.5127,EA=,0,0,9.6文本,7.1,4.0272,3EI,0,0,9.6尺寸線,1,0.2,0.1,7.8,1.0,0.5,9,0,H=8m,9,8文本,0.3530,9.1646,Fp,0,0,9.6文本,8.4909,9.0119,Fp,0,0,9.6屈曲荷載參數(shù),5,1,0.0005 第6題剛架的第一階臨界荷載： 剛架的第二階臨界荷載： 剛架的第三階臨界荷載： 剛架的第四階臨界荷載： 剛架的第

43、五階臨界荷載： 穩(wěn)定分析求解數(shù)目 = 5起始階數(shù) = 1誤 差 限 = .0005第 1 階失穩(wěn)荷載系數(shù) = 7665穩(wěn)模態(tài)的桿端位移值 ( 乘子 = 1)- 桿端 1 桿端 2 單元碼 u -水平位移 v -豎直位移 -轉(zhuǎn)角 u -水平位移 v -豎直位移 -轉(zhuǎn)角- 1 0.00000000 0.00000000 0.00000000 1.00000000 0.00000000 -0.20806861 2 1.00000000 0.00000000 0.00000000 1.00000000 0.00000000 0.00000000 3 1.00000000 0.

44、00000000 -0.19308737 0.00000000 0.00000000 0.00000000-第 2 階失穩(wěn)荷載系數(shù) = 33263.1786676928失穩(wěn)模態(tài)的桿端位移值 ( 乘子 = 1)- 桿端 1 桿端 2 單元碼 u -水平位移 v -豎直位移 -轉(zhuǎn)角 u -水平位移 v -豎直位移 -轉(zhuǎn)角- 1 0.00000000 0.00000000 0.00000000 0.85510440 0.00000000 1.00000000 2 0.85510440 0.00000000 0.00000000 0.85510440 0.00000000 0.00000000 3 0.85510440 0.00000000 -0.19027191 0.00000000 0.00000000 0.00000000-第 3 階失穩(wěn)荷載系數(shù) = 93546.6323815963失穩(wěn)模態(tài)的桿端位移值 ( 乘子 = 1)