Frame

J30 $DEBUG $large c program for solution of plane frames by stifness method c spaces to be reserved for various arrays dimension x(100),y(100),aa(150),ai(150),jj(150),jk(150),cx(150),cy 1(150) dimension irl(300),icrl(300),smd(6,6),s(300,300),a(300),aml(150,6) dimension ae(300),ac(300),d(300),ar(300),al(150) character*12 fname1,fname character*100 heading write(*,'(a20)')'feed input file name' read(*,'(a12)')fname1 write(*,'(a21)')'feed output file name' read(*,'(a12)')fname open(3,file=fname1,status='old') open(4,file=fname, status='new') read(3,78901) heading 78901 format(a100) write(4,78901) heading c

writing of heading of structures to be solved write(4,11) 11 format(1x,80('*')) c reading of structure parameters and elastic modulas read(3,*)m,nj,nr,nrj,e c writing of structure data n=3*nj-nr write(4,12) 12 format(/5x,'members degfree joints sup.rest restjnt, elast 1tic mod') write(4,13)m,n,nj,nr,nrj,e 13 format(/5x,i8,i8,i8,i8,i8,8x,f10.2) c reading and writing of joint coordinates write(4,14) write(4,15) do 20 j=1,nj read(3,*)j,x(j),y(j) write(4,16)j,x(j),y(j) 20 continue 14 format(10x,'joints coordinates of the structure') 15 format(/10x,'joint no.',10x,'x-coordinate',10x,'y-coordinate') 16 format(/10x,i8,10x,f12.2,10x,f12.2) c reading and writing of joints restrints write(4,17) 17 format(/10x,'joint restraints') write(4,18) 18 format(/10x,'joint',10x,'hor-rest',10x,'vert-rest',10x,'momrest') do 30 j=1,nrj read(3,*)k,kk1,kk2,kk3 ll1=3*k-2 ll2=3*k-1 ll3=3*k irl(ll1)=kk1 irl(ll2)=kk2 irl(ll3)=kk3 write(4,19)k,kk1,kk2,kk3 30 continue 19 format(/10x,i5,10x,i7,10x,i7,10x,i7) icrl(1)=irl(1) inj=3*nj do 40 k=2,inj icrl(k)=icrl(k-1)+irl(k) 40 continue c reading and writing of member properties and formation of stif c ness matrix write(4,99) 99 format(10x,'member',2x,'mls',2x,'mrs',3x,'area',8x,'momi length 1 dcx dcy') Page 1

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22 24 25 27 28 31 32 34 35 37 38 c 41

J30 do 50 i=1,m read(3,*)i,mls,mrs,area,amoi xcl=x(mrs)-x(mls) ycl=y(mrs)-y(mls) ali=sqrt(xcl*xcl+ycl*ycl) dcx=xcl/ali dcy=ycl/ali write(4,21)i,mls,mrs,area,amoi,ali,dcx,dcy format(10x,i3,2x,i3,2x,i3,2x,E10.5,E10.5,f10.3,2X,f6.3,4x,f6.3) j1=3*mls-2 j2=3*mls-1 j3=3*mls k1=3*mrs-2 k2=3*mrs-1 k3=3*mrs scm1=e*area/ali scm2=4.0*e*amoi/ali scm3=(1.5*scm2)/ali scm4=(2*scm3)/ali if(irl(j1).eq.0)goto 22 j1=n+icrl(j1) go to 24 j1=j1-icrl(j1) if(irl(j2).eq.0)goto 25 j2=n+icrl(j2) go to 27 j2=j2-icrl(j2) if(irl(j3).eq.0)goto28 j3=n+icrl(j3) go to 31 j3=j3-icrl(j3) if(irl(k1).eq.0)goto32 k1=n+icrl(k1) go to 34 k1=k1-icrl(k1) if(irl(k2).eq.0)goto35 k2=n+icrl(k2) go to 37 k2=k2-icrl(k2) if(irl(k3).eq.0)goto38 k3=n+icrl(k3) go to 41 k3=k3-icrl(k3) formation of upper portion of stiffness matrix smd(1,1)=scm1*dcx*dcx+scm4*dcy*dcy smd(4,1)=-smd(1,1) smd(4,4)=smd(1,1) smd(1,4)=-smd(1,1) smd(1,2)=(scm1-scm4)*dcx*dcy smd(2,1)=smd(1,2) smd(4,5)=smd(1,2) smd(5,4)=smd(1,2) smd(1,5)=-smd(1,2) smd(5,1)=-smd(1,2) smd(2,4)=smd(1,5) smd(4,2)=-smd(1,2) smd(1,3)=(-scm3)*dcy smd(1,6)=smd(1,3) smd(3,4)=-smd(1,3) smd(3,1)=smd(1,3) smd(6,1)=smd(1,3) smd(6,4)=-smd(1,3) smd(4,6)=-smd(1,3) smd(4,3)=-smd(1,3) smd(2,2)=(scm1*dcy*dcy+scm4*dcx*dcx) smd(5,5)=smd(2,2) smd(2,5)=-smd(2,2) smd(5,2)=-smd(2,2) Page 2

c

50

7762 7761 c 52

J30 smd(2,3)=scm3*dcx smd(3,2)=smd(2,3) smd(2,6)=smd(2,3) smd(6,2)=smd(2,3) smd(3,5)=-smd(2,3) smd(5,3)=-smd(2,3) smd(5,6)=smd(3,5) smd(6,5)=smd(3,5) smd(3,3)=scm2 smd(6,6)=smd(3,3) smd(3,6)=scm2/2.0 smd(6,3)=smd(3,6) saving the variables for further use jj(i)=mls jk(i)=mrs aa(i)=area ai(i)=amoi al(i)=ali cx(i)=dcx cy(i)=dcy s(j1,j1)=s(j1,j1)+smd(1,1) s(j2,j1)=s(j2,j1)+smd(2,1) s(j3,j1)=s(j3,j1)+smd(3,1) s(k1,j1)=smd(4,1) s(k2,j1)=smd(5,1) s(k3,j1)=smd(6,1) s(j1,j2)=s(j1,j2)+smd(1,2) s(j2,j2)=s(j2,j2)+smd(2,2) s(j3,j2)=s(j3,j2)+smd(3,2) s(k1,j2)=smd(4,2) s(k2,j2)=smd(5,2) s(k3,j2)=smd(6,2) s(j1,j3)=s(j1,j3)+smd(1,3) s(j2,j3)=s(j2,j3)+smd(2,3) s(j3,j3)=s(j3,j3)+smd(3,3) s(k1,j3)=smd(4,3) s(k2,j3)=smd(5,3) s(k3,j3)=smd(6,3) s(j1,k1)=smd(1,4) s(j2,k1)=smd(2,4) s(j3,k1)=smd(3,4) s(k1,k1)=s(k1,k1)+smd(4,4) s(k2,k1)=s(k2,k1)+smd(5,4) s(k3,k1)=s(k3,k1)+smd(6,4) s(j1,k2)=smd(1,5) s(j2,k2)=smd(2,5) s(j3,k2)=smd(3,5) s(k1,k2)=s(k1,k2)+smd(4,5) s(k2,k2)=s(k2,k2)+smd(5,5) s(k3,k2)=s(k3,k2)+smd(6,5) s(j1,k3)=smd(1,6) s(j2,k3)=smd(2,6) s(j3,k3)=smd(3,6) s(k1,k3)=s(k1,k3)+smd(4,6) s(k2,k3)=s(k2,k3)+smd(5,6) s(k3,k3)=s(k3,k3)+smd(6,6) continue do 7761 i = 1,3*nj do 7762 j = 1,3*nj write(4,*)'row =',i,'col=',j,'*',s(i,j) continue continue printing and reading of load data write(4,52) format(/10x,'NUMBR OF LOADED JNTS',10X,'NUMBR OF LOADED MEMBERS') Page 3

J30 read(3,*)nlj,nlm write(4,51)nlj,nlM 51 FORMAT(19X,I3,20X,I3) IF(NLJ.EQ.0)GOTO 55 C READING OF JOINT LOADS WRITE(4,53) 53 FORMAT(/10X,'JOINTS',10X,'HOR LOAD',10X,'VER LOAD',10X,'MOMENT') DO 60 J=1,NLJ READ(3,*)K,a1,a2,a3 WRITE(4,352)K,a1,a2,a3 LL1=3*K-2 LL2=3*K-1 LL3=3*K A(LL1)=a1 A(LL2)=a2 A(LL3)=a3 60 CONTINUE 352 FORMAT(10X,I5,3(4x,F10.2)) 55 IF(NLM.EQ.0)GOTO 65 C READING OF FIXED END MOMENTS AND MEMBER END ACTIONS WRITE(4,56) 56 FORMAT(5X,'MEM HORLOAD',5X,'VERLOAD',5X,'MOMENT',5X,'HORLOAD',5X, 1'VERTLOAD',5X,'MOMENT') DO 70 J=1,NLM READ(3,*)I,AML(I,1),AML(I,2),AML(I,3),AML(I,4),AML(I,5),AML(I,6) WRITE(4,57)I,AML(I,1),AML(I,2),AML(I,3),AML(I,4),AML(I,5),AML(I,6) 57 FORMAT(/5X,I2,6F12.2) 70 CONTINUE DO 80 I=1,M AE(3*JJ(I)-2)=AE(3*JJ(I)-2)-AML(I,1)*CX(I)+AML(I,2)*CY(I) AE(3*JJ(I)-1)=AE(3*JJ(I)-1)-AML(I,1)*CY(I)-AML(I,2)*CX(I) AE(3*JJ(I))=AE(3*JJ(I))-AML(I,3) AE(3*JK(I)-2)=AE(3*JK(I)-2)-AML(I,4)*CX(I)+AML(I,5)*CY(I) AE(3*JK(I)-1)=AE(3*JK(I)-1)-AML(I,4)*CY(I)-AML(I,5)*CX(I) AE(3*JK(I))=AE(3*JK(I))-AML(I,6) 80 CONTINUE 65 DO 90 J=1,INJ IF(IRL(J).EQ.0) GOTO 66 K=N+ICRL(J) GOTO 67 66 K=J-ICRL(J) 67 AC(K)=A(J)+AE(J) 90 continue NSZ=N NBAND=N IA=0 DO 200 I=1,NSZ DO 300 J=1,NBAND IB=IA+J IF(IB.LE.NSZ)GOTO 201 S(I,J)=0 GOTO 300 201 S(I,J)=S(I,IB) 300 CONTINUE IA=IA+1 200 CONTINUE DO 400 IA=1,NSZ I=IA DO 500 IB=2,NBAND I=I+1 B=S(IA,IB) IF(B)401,500,401 401 C=S(IA,IB)/S(IA,1) J=0 DO 550 K=IB,NBAND J=J+1 ZZ=S(IA,K) IF(ZZ)551,550,551 Page 4

J30 551 550 500 400 560 553

556 555 552 180

S(I,J)=S(I,J)-C*S(IA,K) CONTINUE S(IA,IB)=C AC(I)=AC(I)-(C*AC(IA)) CONTINUE AC(IA)=AC(IA)/S(IA,1) CONTINUE IA=NSZ ia=ia-1 IF(IA)552,552,553 IB=IA DO 555 K=2,NBAND IB=IB+1 QQ=S(IA,K) IF(QQ)556,555,556 AC(IA)=AC(IA)-(S(IA,K)*AC(IB)) CONTINUE GOTO 560 do 180 j=1,n d(j)=ac(j) continue

n1=n+1 do 190 k=n1,inj ar(k)=-ac(k) do 190 j=1,n ar(k)=ar(k)+s(k,j)*d(j) 190 continue

111 110

121 120

j=n1 do 110 je=inj,1,-1 if(irl(je).eq.0)goto111 d(je)=0 goto110 j=j-1 d(je)=d(j) continue k=n do 120 ke=1,inj if(irl(ke).eq.1) goto121 ar(ke)=0 goto120 k=k+1 ar(ke)=ar(k) continue

WRITE(4,150) WRITE(4,151) 151 FORMAT(/6X,'JNTN',6X,'HDEF',6X,'VDEF',6X,'ROTA',6X,'HREA',6X,'VERA 1',6X,'MOMR') WRITE(4,150) do 130 je=3,inj,3 write(4,131)je/3,d(je-2),d(je-1),d(je),ar(je-2),ar(je-1),ar(je) 131 format(5x,i2,3f10.5,3f10.3) 130 continue C CALCULATION OF MEMBER END ACTIONS WRITE(4,150) WRITE(4,141) 141 FORMAT(/2X,'MEMB',6X,'LAFO',6X,'LSFO',6X,'LMOM',6X,'RAFO',6X,'RSF 1O',6X,'RMOM') WRITE(4,150) DO 140 I=1,M J1=3*JJ(I)-2 J2=3*JJ(I)-1 Page 5

J30 J3=3*JJ(I) K1=3*JK(I)-2 K2=3*JK(I)-1 K3=3*JK(I) WRITE(*,*)E,AA(I),AL(I) SCM1=E*AA(I)/AL(I) SCM2=4.0*AI(I)*E/AL(I) SCM3=1.5*SCM2/AL(I) SCM4=2.0*SCM3/AL(I) AML(I,1)=AML(I,1)+SCM1*((D(J1)-D(K1))*CX(I)+(D(J2)-D(K2))*CY(I)) AML(I,2)=AML(I,2)+SCM4*(-(D(J1)-D(K1))*CY(I)+(D(J2)-D(K2))*CX(I)) 1+SCM3*(D(J3)+D(K3)) AML(I,3)=AML(I,3)+SCM3*(-(D(J1)-D(K1))*CY(I)+(D(J2)-D(K2))*CX(I)) 1+SCM2*(D(J3)+D(K3)/2.0) AML(I,4)=AML(I,4)+SCM1*(-(D(J1)-D(K1))*CX(I)-(D(J2)-D(K2))*CY(I)) AML(I,5)=AML(I,5)+SCM4*((D(J1)-D(K1))*CY(I)-(D(J2)-D(K2))*CX(I))1SCM3*(D(J3)+D(K3)) AML(I,6)=AML(I,6)+SCM3*(-(D(J1)-D(K1))*CY(I)+(D(J2)-D(K2))*CX(I))+ 1SCM2*(D(J3)/2.0+D(K3)) WRITE(4,142)I,AML(I,1),AML(I,2),AML(I,3),AML(I,4),AML(I,5),AML(I, 16) 142 FORMAT(/2X,I3,3X,6F10.2) 140 CONTINUE 150 FORMAT(/5X,70('*')) STOP END

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