tifilo
C TIFILO SOURCE PV 16/03/23 21:15:09 8864 C----------------------------------------------------------------------- C C ROUTINE DE CALCUL DE LA MATRICE DE RIGIDITE ELEMENTAIRE D UNE C POUTRE DROITE DE TIMOSHENKO MULTI-FIBRE EN AXES LOCAUX C "D APRES TEDEL" C C ENTREE C XL LONGUEUR C DDHOOK(LHOOK,LHOOK) MATRICE DE HOOK C C SORTIE C RP MATRICE DE RIGIDITE ELEMENTAIRE 12X12 C C----------------------------------------------------------------------- C Pierre Pegon (ISPRA) Juillet/Aout 1993 C----------------------------------------------------------------------- IMPLICIT INTEGER(I-N) IMPLICIT REAL*8(A-H,O-Z) DIMENSION RP(12,*) DIMENSION DDHOOK(LHOOK,*) C C INITIALISATIONS C DO 120 I=1,12 DO 120 J=1,12 120 RP(I,J)=0.D00 C RL=1.D00/XL C C REMPLISSAGE DE LA MATRICE C FX1 RP( 1, 1)=DDHOOK( 1, 1)*RL RP( 1, 5)=DDHOOK( 1, 5)*RL RP( 1, 6)=DDHOOK( 1, 6)*RL RP( 1, 7)=-RP( 1, 1) RP( 1,11)=-RP( 1, 5) RP( 1,12)=-RP( 1, 6) C FY1 RP( 2, 2)=DDHOOK( 2, 2)*RL RP( 2, 4)=DDHOOK( 2, 4)*RL RP( 2, 6)=DDHOOK( 2, 2)/2.0D0 RP( 2, 8)=-RP( 2, 2) RP( 2,10)=-RP( 2, 4) RP( 2,12)= RP( 2, 6) C FZ1 RP( 3, 3)=DDHOOK( 3, 3)*RL RP( 3, 4)=DDHOOK( 3, 4)*RL RP( 3, 5)=-DDHOOK( 3, 3)/2.0D0 RP( 3, 9)=-RP( 3, 3) RP( 3,10)=-RP( 3, 4) RP( 3,11)= RP( 3, 5) C MX1 RP( 4, 4)=DDHOOK( 4, 4)*RL RP( 4, 5)=-DDHOOK( 4, 3)/2.0D0 RP( 4, 6)=DDHOOK( 4, 2)/2.0D0 RP( 4, 8)=-DDHOOK( 4, 2)*RL RP( 4, 9)=-DDHOOK( 4, 3)*RL RP( 4,10)=-RP( 4, 4) RP( 4,11)=RP( 4, 5) RP( 4,12)=RP( 4, 6) C MY1 RP( 5, 5)=DDHOOK( 5, 5)*RL+DDHOOK( 3, 3)/(4.0D0*RL) RP( 5, 6)=DDHOOK( 5, 6)*RL RP( 5, 7)=-DDHOOK( 5, 1)*RL RP( 5, 9)=DDHOOK( 3, 3)/2.0D0 RP( 5,10)=DDHOOK( 3, 4)/2.0D0 RP( 5,11)=-DDHOOK( 5, 5)*RL+DDHOOK( 3, 3)/(4.0D0*RL) RP( 5,12)=-RP( 5, 6) C MZ1 RP( 6, 6)=DDHOOK( 6, 6)*RL+DDHOOK( 2, 2)/(4.0D0*RL) RP( 6, 7)=-DDHOOK( 6, 1)*RL RP( 6, 8)=-DDHOOK( 2, 2)/2.0D0 RP( 6,10)=-DDHOOK( 2, 4)/2.0D0 RP( 6,11)=-DDHOOK( 6, 5)*RL RP( 6,12)=-DDHOOK( 6, 6)*RL+DDHOOK( 2, 2)/(4.0D0*RL) C FX2 RP( 7, 7)=RP( 1, 1) RP( 7,11)=RP( 1, 5) RP( 7,12)=RP( 1, 6) C FY2 RP( 8, 8)=RP( 2, 2) RP( 8,10)=RP( 2, 4) RP( 8,12)=-RP( 2, 6) C FZ2 RP( 9, 9)=RP( 3, 3) RP( 9,10)=RP( 3, 4) RP( 9,11)=-RP( 3, 5) C MX2 RP(10,10)=RP( 4, 4) RP(10,11)=-RP( 4, 5) RP(10,12)=-RP( 4, 6) C MY2 RP(11,11)=RP( 5, 5) RP(11,12)=RP( 5, 6) C MZ2 RP(12,12)=RP( 6, 6) C DO 9 I=1,11 DO 9 J=I+1,12 9 RP(J,I)=RP(I,J) RETURN END
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