Fortran語言編寫的有限元結(jié)構(gòu)程序.doc

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1、算例一計(jì)算簡圖及結(jié)果輸出用平面剛架靜力計(jì)算程序下圖結(jié)構(gòu)的內(nèi)力。各桿EA，EI相同。已知：計(jì)算簡圖如下：（1）輸入原始數(shù)據(jù)控制參數(shù)3,5,8,7,1,2（NE,NJ,N,NW,NPJ,NPF）結(jié)點(diǎn)坐標(biāo)集結(jié)點(diǎn)未知量編號單元桿端結(jié)點(diǎn)編號及單元EA、EI結(jié)點(diǎn)荷載非結(jié)點(diǎn)荷載（2）輸出結(jié)果NE=3NJ=5N=8NW=7NPJ=1NPF=2NODEXYXXYYZZ10.00000.000000020.00004.000012330.00004.000012444.00004.000056754.00000.0000008ELEMENTNODE-INODE-JEAEI1120.400000

2、E+070.160000E+052340.400000E+070.160000E+053540.400000E+070.160000E+05CODEPX-PY-PM7.-15.0000ELEMENTINDAQ1.2.2.0000-18.00002.1.4.0000-25.0000NODEUVCETA10.000000E+000.000000E+000.000000E+002-0.221743E-02-0.464619E-04-0.139404E-023-0.221743E-02-0.464619E-040.357876E-024-0.222472E-02-0.535381E

3、-04-0.298554E-0250.000000E+000.000000E+000.658499E-03ELEMENTNQM1N1=46.4619Q1=10.7119M1=-6.8477N2=-46.4619Q2=7.2881M2=0.00002N1=7.2881Q1=46.4619M1=0.0000N2=-7.2881Q2=53.5381M2=14.15233N1=53.5381Q1=7.2881M1=0.0000N2=-53.5381Q2=-7.2881M2=-29.1523算例二計(jì)算簡圖及結(jié)果輸出用平面剛架靜力計(jì)算程序下圖結(jié)構(gòu)的內(nèi)力。已知：桁架單元的抗拉剛度為，平面

4、剛架單元的抗拉剛度為已知：，抗彎剛度為。計(jì)算簡圖如下：（1）輸入原始數(shù)據(jù)控制參數(shù)（NE,NJ,N,NW,NPJ,NPF）結(jié)點(diǎn)坐標(biāo)集結(jié)點(diǎn)未知量編號單元桿端結(jié)點(diǎn)編號及單元EA、EI非結(jié)點(diǎn)荷載（2）輸出結(jié)果NE=5NJ=4N=8NW=7NPJ=0NPF=1NODEXYXXYYZZ10.00000.000000124.00000.000023434.0000-3.000056048.00000.0000708ELEMENTNODE-INODE-JEAEI1120.600000E+070.184000E+062240.600000E+070.184000E+063310.200000

5、E+070.000000E+004320.200000E+070.000000E+005340.200000E+070.000000E+00ELEMENTINDAQ1.1.4.0000-20.0000NODEUVCETA10.000000E+000.000000E+000.312593E-032-0.202759E-04-0.253871E-03-0.144928E-033-0.202759E-04-0.185440E-030.000000E+004-0.405518E-040.000000E+00-0.227378E-04ELEMENTNQM1N1=30.4138Q1=3

6、7.1896M1=0.0000N2=-30.4138Q2=42.8104M2=11.24152N1=30.4138Q1=2.8104M1=-11.2415N2=-30.4138Q2=-2.8104M2=0.00003N1=-38.0173Q1=0.0000M1=0.0000N2=38.0173Q2=0.0000M2=0.00004N1=45.6207Q1=0.0000M1=0.0000N2=-45.6207Q2=0.0000M2=0.00005N1=-38.0173Q1=0.0000M1=0.0000N2=38.0173Q2=0.0000M2=0.0000C主程序C(一)輸

7、入原始數(shù)據(jù)DIMENSIONJE(2,100),JN(3,100),JC(6),EA(100),EI(100),X(100),$Y(100),PJ(2,50),PF(4,100)REAL*8KE(6,6),KD(6,6),T(6,6),P(300),KB(200,20),F(6),FO(6),$D(6),BL,SI,CO,S,COPEN(5,FILE='RPF1.TXT')open(6,file='jieguo1.dat',status='new')READ(5,*)NE,NJ,N,NW,NPJ,NPFREAD(5