CFVR3705 - Initial stresses on 2D Model
Initial stresses on a 2D Model with irregular mesh.
A 2D model with an irregular mesh is used to analyze the results obtained when applying initial stresses and gravity.
Element types used in the model: PLANE182 Needed CivilFEM Modules: |
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| Model Statistics | |
| Number of elements | 4750 |
| Number of nodes | 2476 |
| Number of civil materials | 1 |
| Number of cross sections | 0 |
| Number of shell vertices | 0 |
Log file: CFVR3705.DAT
FINISH ~CFCLEAR,,1 ~CFACTIV,GETC,Y *AFUN,DEG NomFile='CFVR3705' /TITLE, %NomFile%, Initial stresses. 2D Model. ! ------------------------------------------------------------------------------------- ! Initial data ! ------------------------------------------------------------------------------------- ! Parameters teta=30.0 length=70 height=30 g=9.81 ! CivilFEM SETUP ~UNITS,SI ~CODESEL,EC3-92,EC2-91,,,EC8-94 /PREP7 ! 1. Element types ! -------------------------------------------------- ET,1,PLANE182,,,2 ! Plain strain ! 2. Materials ! -------------------------------------------------- ~CFMP,1,LIB,SOIL,,GC ~CFMP,1,DatGen,GAM,,10500 ! 3.Modeling ! -------------------------------------------------- wpro,teta CSWPLA,11,0,1,1, BLC5,,,length,height ! 4.Meshing ! ------------------------------------------------- R,1 MSHAPE,1,2D MSHKEY,0 ESIZE,1 AMESH,ALL NROTAT,ALL NSEL,S,LOC,X,-length/2 NSEL,A,LOC,X,length/2 D,ALL,UX ALLSEL NSEL,S,LOC,Y,-height/2 D,ALL,ALL ALLSEL ! 4. Solution ! -------------------------------------------------- /SOLU ~TIS,cfvr3705,ist,-Y,1 INISTATE,READ,cfvr3705,ist ACEL,g*SIN(-teta),g*COS(-teta) NROPT,FULL SOLVE ! 5. Delete created files. ! -------------------------------------------------- /DELETE,cfvr3705,ist ! ------------------------------------------------------------------------------------- ! DATA CHECK ! ------------------------------------------------------------------------------------- ! Data comparison number Ts=4 NComp= Ts*3 NComp_ch = 0 ! Matrix dim. *DIM,LABEL,CHAR,Ncomp,1 *DIM,LABEL_CH,CHAR,Ncomp_ch,1 *DIM,VALUE,,Ncomp,3 *DIM,VALUE_CH,CHAR,Ncomp_ch,3 *DIM,TOLER,,Ncomp,2 ! Labels ! ------------------------------------------------------------------------------------- LABEL( 1) = 'SX_1' LABEL( 2) = 'SY_1' LABEL( 3) = 'SZ_1' LABEL( 4) = 'SXY_1' LABEL( 5) = 'SX_2' LABEL( 6) = 'SY_2' LABEL( 7) = 'SZ_2' LABEL( 8) = 'SXY_2' LABEL( 9) = 'SX_3' LABEL( 10) = 'SY_3' LABEL( 11) = 'SZ_3' LABEL( 12) = 'SXY_3' ! Obtained data ! -------------- *DIM,Ele1,ARRAY,Ts *DIM,Ele2,ARRAY,Ts *DIM,Ele3,ARRAY,Ts ! + -------------Stresses obtained by CFVR3705.TIS file ------------- + ! ! - Sx - - Sy - - Sz - - Sxy - Ele1(1)= -93675.7 , -131146. , -74940.5 , 32450.2 Ele2(1)= -153298. , -214617. , -122639. , 53104.0 Ele3(1)= -43578.7 , -61010.2 , -34863.0 , 15096.1 ! + ----------------------------------------------------------------- + ! cont1=1 $ cont2=1 *DO,II,1,NComp VALUE( II,1) = Ele%cont1%(cont2) cont2=cont2+1 *IF,cont2,EQ,Ts+1,THEN cont2=1 cont1=cont1+1 *ENDIF *ENDDO ! Correct data ! ------------- *DIM,NumElem,ARRAY,3 NumElem(1)=163,2064,2133 *DIM,Si,CHAR,Ts Si(1)='X','Y','Z','XY' cont3=1 *DO,II,1,3 ESEL,S,ELEM,,NumElem(II) NSLE,S,1 *GET,MyNode,NODE,,NUM,MAX *DO,JJ,1,Ts *GET,VALUE(cont3,2),NODE, MyNode,S,%Si(JJ)% cont3=cont3+1 *ENDDO *ENDDO ! Warning and error tolerances TOLER(1,1) = .5E3 $ TOLER(1,2) = .5E3 TOLER(2,1) = .5E4 $ TOLER(2,2) = .5E4 TOLER(3,1) = .5E3 $ TOLER(3,2) = .5E3 TOLER(4,1) = .5E3 $ TOLER(4,2) = .5E3 TOLER(5,1) = .5E4 $ TOLER(5,2) = .5E4 TOLER(6,1) = .5E4 $ TOLER(6,2) = .5E4 TOLER(7,1) = .5E4 $ TOLER(7,2) = .5E4 TOLER(8,1) = .5E3 $ TOLER(8,2) = .5E3 TOLER(9,1) = .5E3 $ TOLER(9,2) = .5E3 TOLER(10,1) = .5E3 $ TOLER(10,2) = .5E3 TOLER(11,1) = .5E3 $ TOLER(11,2) = .5E3 TOLER(12,1) = .5E3 $ TOLER(12,2) = .5E3 ! ------------------------------------------------------------------------------------- ! Results comparison ! ------------------------------------------------------------------------------------- COMPARA.MAC |
Results
| Label | Target | CivilFEM | Ratio | Tolerance |
| SX_1 | -93676 | -93699 | 1.000 | 500 |
| SY_1 | -1.3115e+005 | -1.3118e+005 | 1.000 | 5000 |
| SZ_1 | -74941 | -74958 | 1.000 | 500 |
| SXY_1 | 32450 | 32461 | 1.000 | 500 |
| SX_2 | -1.533e+005 | -1.5335e+005 | 1.000 | 5000 |
| SY_2 | -2.1462e+005 | -2.147e+005 | 1.000 | 5000 |
| SZ_2 | -1.2264e+005 | -1.2268e+005 | 1.000 | 5000 |
| SXY_2 | 53104 | 53127 | 1.000 | 500 |
| SX_3 | -43579 | -43585 | 1.000 | 500 |
| SY_3 | -61010 | -61021 | 1.000 | 500 |
| SZ_3 | -34863 | -34868 | 1.000 | 500 |
| SXY_3 | 15096 | 15100 | 1.000 | 500 |
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