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TALK=f;RUN(1,1)
DISPLAY
Problem: one quarter of the plate.
The plate is compressed by an upward force from below, FY
Case 1 or 2: 'plane stress', i.e. strz=0
Case 3 or 4: 'plane strain', i.e. epsz=0
Case 5 or 6: plate is composed of two materials (along Y-axis) with
ten-fold difference in Young's modulus
Case 7 or 8: plate is composed of two materials (along X-axis) with
ten-fold difference in Young's modulus

PHOTON USE
p;;;;

set prop off
cl
msg x-displacement fields
gr ou z 1
cont U1 z 1 x 1 21 y 2 21 fil;.0001
vec z 1 x 2 21 y 2 21 col 0
pause
cl
msg y-displacement fields
gr ou z 1
cont V1 z 1 x 2 21 y 1 21 fil;.0001
vec z 1 x 2 21 y 2 21 col 0
pause
cl
msg epsX fields
gr ou z 1
cont EPSX z 1 x 2 21 y 2 21 fil;.0001
pause
cl
msg epsY fields
gr ou z 1
cont EPSY z 1 x 2 21 y 2 21 fil;.0001
pause
cl
msg StrX fields
gr ou z 1
cont STRX z 1 x 2 21 y 2 21 fil;.0001
pause
cl
msg STRY fields
gr ou z 1
cont STRY z 1 x 2 21 y 2 21 fil;.0001
pause

ENDDIS

prt0begin
print0 1.0e-20
prt0end

************************************************************
Group 1. Run Title and Number
************************************************************
TEXT(Plate; 2D[xy])
integer(caseno)
mesg(caseno = 1 or 2 : z free
mesg(caseno = 3 or 4 : z fixed
mesg(caseno = 5 or 6 : z free two materials (along Y-axis)
mesg(caseno = 7 or 8 : z free two materials (along X-axis)
mesg(caseno = 9 or 10 : z free two materials (along X-axis and Y-axis)
mesg(caseno odd = Stress-Model, even = Dilatation-model

caseno=1
mesg(caseno=:caseno: Enter 1 .. 8 or blank
if(caseno.lt.1) then
endif
if(caseno.gt.10) then
endif
caseno
Integer(SolvMod)
! SolvMod =  1 for Dilatation-model (caseno = even)
!            2 for Stress-model     (caseno = odd )
!
solvmod=1 + (caseno+1)/2-caseno/2
solvmod
IG(40) = solvmod-1

libref=caseno
Declarations and settings
REAL(FY,LX,LY,POISSON,YOUNG)
FY= 40.0e6  ! H/m^2 = 40 N/mm^2
LX=90.e-3
lx=lx*100
LY=120.e-3
YOUNG   = 1/0.5E-11   ! Young's modulus
POISSON=0.3           ! Poisson's ratio
INTEGER(NXBODY,NYBODY)

************************************************************
Group 2. Time dependence
************************************************************
Group 3. X-Direction Grid Spacing
CARTES  =    T
NXBODY = 20
NREGX=3                             ! 3 regions
IREGX=1;GRDPWR(X,1,0.01*LX,1.0)     ! single inner fluid cell
IREGX=2;GRDPWR(X,NXBODY,LX,1)
IREGX=3;GRDPWR(X,1,0.01*LX,1.0)     ! single outer fluid cell

************************************************************
Group 4. Y-Direction Grid Spacing
NYBODY = 20
NREGY=3                             ! 3 regions
IREGY=1;GRDPWR(Y,1,0.01*LY,1.0)     ! single inner fluid cell
IREGY=2;GRDPWR(Y,NYBODY,LY,1)
IREGY=3;GRDPWR(Y,1,0.01*LY,1.0)     ! single outer fluid cell
************************************************************
Group 5. Z-Direction Grid Spacing
NZ=1
ZWLAST  = 0.001
************************************************************
Group 7. Variables: STOREd,SOLVEd,NAMEd
ONEPHS  =    T
SOLVE(P1,V1,U1)
SOLUTN(P1  ,Y,Y,Y,N,N,N)
SOLUTN(U1  ,Y,Y,Y,Y,N,Y)
SOLUTN(V1  ,Y,Y,Y,Y,N,Y)

STORE(PRPS)
STORE(STRX,STRY,STRZ,STXY)
STORE(EPSY,EPSX,EPSZ)

STORE(U1T,V1T,U1/T,V1/T)

************************************************************
GROUP 8. ITERATION NUMBERS ETC
RESFAC=1.e-7
RESREF(V1)=0.0
RESREF(U1)=0.0  ! to prevent premature exit
LITER(V1) = 50 ! from solver
LITER(U1) = 50
LITER(P1) = 50

************************************************************
GROUP 9. PROPERTIES

CSG10='Q1'                  ! materials with various POISSON ratios
MATFLG=T;NMAT=2
160    7800.0    0.3       473.0   43.0      1.0e-5   0.5e-11
161    7800.0    0.3       473.0   43.0      1.0e-5   0.5e-10

************************************************************
GROUP 11. INITIAL VALUES
fiinit(p1)=0.0
fiinit(u1)=0.0
fiinit(v1)=0.0

FIINIT(PRPS)=0
PATCH(BODY1,INIVAL,2,NX-1,2,NY-1,1,1,1,1)
INIT(BODY1,PRPS,FIXVAL,160)
if(caseno.eq.5.or.caseno.eq.6) then
+  PATCH(BODY2,INIVAL,2,NX-1,ny/2+1,NY-1,1,1,1,1)
+  INIT(BODY2,PRPS,FIXVAL,161)
endif
if(caseno.eq.7.or.caseno.eq.8) then
+  PATCH(BODY2,INIVAL,NX/2+1,NX-1,2,NY-1,1,1,1,1)
+  INIT(BODY2,PRPS,FIXVAL,161)
endif
if(caseno.eq.9.or.caseno.eq.10) then
+  PATCH(BODY2,INIVAL,2,NX/2+1,2,NY/2,1,1,1,1)
+  INIT(BODY2,PRPS,FIXVAL,161)
+  PATCH(BODY3,INIVAL,NX/2+1,NX-1,NY/2+1,NY-1,1,1,1,1)
+  INIT(BODY3,PRPS,FIXVAL,161)
endif
************************************************************
GROUP 13. BOUNDARY & SPECIAL SOURCES

PATCH(UP,north,2,NX-1,NY-1,NY-1,1,1,1,1) ! top - fixed
COVAL(UP,V1,FIXVAL,0.0)

PATCH(FORC01,NORTH,2,NX-1,1,1,1,1,1,1) ! bottom - upward force
COVAL(FORC01,V1,FIXFLU,FY)

PATCH(AXESZZ,EAST,1,1,2,NY-1,1,1,1,1)            ! LEFT - fixed
COVAL(AXESZZ,U1,FIXVAL,0.0)

IF(CASENO.EQ.3.OR.CASENO.EQ.4) THEN
SPEDAT(BOUNDARY,ZCONST,R,1.e20)
ELSE
SPEDAT(BOUNDARY,ZCONST,R,0.0)
ENDIF
************************************************************
GROUP 15. TERMINATE SWEEPS
LSWEEP  =      200
ISG21=LSWEEP
************************************************************
GROUP 17. RELAXATION
#CONPROM
RELAX(P1  ,LINRLX, 1.000000E+00)
if(solvmod.eq.1) then
+  spedat(rlxfac,rlxu1d,r,0.5)
+  spedat(rlxfac,rlxv1d,r,0.5)
else
+  spedat(rlxfac,rlxu1d,r,1)
+  spedat(rlxfac,rlxv1d,r,1)
endif

************************************************************
GROUP 19. DATA TRANSMITTED TO GROUND
STRA    =    T
PARSOL  =    F
ISG52   =    3   !   probe & res

************************************************************
GROUP 23.FIELD PRINT-OUT & PLOT CONTROL
TSTSWP = - 1   ! graphic-mode
NYPRIN = 1
IXMON = NX-2
IYMON = 2
IZMON = 1
#conprom

inform7begin
real(CEPSX,CEPSY,CEPS)
IF(CASENO.EQ.2) THEN
CEPSX = FY/YOUNG*(1+POISSON)*POISSON
CEPSY =  -FY/YOUNG*(1-POISSON**2)
ELSE
CEPSX = FY/YOUNG*POISSON
CEPSY =  -FY/YOUNG
ENDIF
CEPS = CEPSX+CEPSY
CEPSX
CEPSY
CEPS
**** CALCULATE analytical solution ***
(STORED VAR U1T IS :CEPSX:*(XU-0.01*:LX:) with imat>100)
(STORED VAR V1T IS :CEPSY:*(YV -1.01*:LY:) with imat>100)

(STORED VAR U1/T IS U1/(U1T+1.e-20) with imat>100)
(STORED VAR V1/T IS V1/(V1T+1.e-20) with imat>100)

inform7end

STOP
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