PROGRAM SETSTAX04
C=======================================================================
C DATA GENERATING PROGRAM FOR STATICX.FOR
C PROJECT NAME: BEAM000
C BOUNDARY CONDITIONS
C LEFT END: FIXED (EMULATION OF SYMENTRIC BEAM CEMTER)
C RIGHT END: MOMENT IS APPLIED
C ALL OTHERS: NO NORMAL FOECE, NO SHEAR FORCE
C DOMAIN: RECTANGULAR
C ELEMENT: FOUR-NODED ISOPARAMETRIC ELEMENT
C DOMAIN DISCRETIZATION: ONE-SIZE ELEMENTS
C EIJI FUKUMORI APRIL 13, 2010
C=======================================================================
IMPLICIT REAL*8 ( A-H , O-Z )
PARAMETER ( ND=4, INTEPT=2, MXE=22000, MXN=23000, MXB=20000 )
PARAMETER (YOUNG=69.D6,POISSON=0.3D0, HEIGHT=2.D0,WIDTH=20.D0,
* TLX = WIDTH, TLY = HEIGHT, NEY = 12, NEX = 90,
* DX = TLX / NEX, DY = TLY / NEY, NDX=NEX+1,NDY=NEY+1)
C=======================================================================
DIMENSION NODEX(MXE,ND), XCOORD(MXN), YCOORD(MXN),
* IBNDFX(MXB),IBNDFY(MXB),BVX(MXB),BVY(MXB),
* IBFORCEX(MXB), IBFORCEY(MXB), BVFORCEX(MXB), BVFORCEY(MXB)
DIMENSION NEUTRAL(MXN)
CHARACTER INPFILE*12,EXFILE*3
LOGICAL YES
C=======================================================================
DATA INPFILE / 'STATIC04.DAT' /
C=======================================================================
C F(X) = X * X * ( 3.- 2.* X )
C G(X) = X * ( (0.1-1.)* X + (2.- 0.1) )
F(X) = X
G(X) = X
C=======================================================================
C NEY: NEMBER OF VERTICAL ELEMENTS (NUMBER OF NODES: NEY+1)
C NEX: NEMBER OF HORIZONTAL ELEMENTS (NUMBER OF NODES: NEX+1)
C HEIGHT: HEIGHT OF DRIVEN CAVITY FLOW DOMAIN
C=======================================================================
WRITE (*,*)' YOUNG MODULUS = ',YOUNG
WRITE (*,*)' POISSON RATIO = ',POISSON
C=======================================================================
C ELEMENT CREATION
NE = 0
DO J = 1 , NEX
DO I = 1 , NEY
NE = NE + 1
IF ( NE .GT. MXE ) STOP 'NE > MXE'
NODEX(NE,1) = NDY*(J-1) + I
NODEX(NE,2) = NODEX(NE,1) + NDY
NODEX(NE,3) = NODEX(NE,2) + 1
NODEX(NE,4) = NODEX(NE,1) + 1
END DO
END DO
C=======================================================================
C NODAL COORDINATE CREATION
NNODE = 0
DO I = 1 , NDX
DO J = 1 , NDY
NNODE = NNODE + 1
IF ( NNODE .GT. MXN ) STOP 'NNODE > MXN'
XCOORD(NNODE) = TLX * F( DX*(I-1)/TLX )
YCOORD(NNODE) = TLY * G( DY*(J-1)/TLY ) - TLY/2.D0
END DO
END DO
C=======================================================================
C BOUNDARY CONDITIONS
C==== FIRST FIND
C--------- NAVIER EQUATIONS
NBFX = 0
NBFY = 0
NFORCEX = 0
NFORCEY = 0
C--------- X DIRECTION ON FACE -X
U0 = 0.
DO J = 1 , NDY
NBFX = NBFX + 1
IBNDFX(NBFX) = J
BVX(NBFX) = U0
END DO
CCCC--------- Y DIRECTION ON FACE -X BOTTOM
CCCCC V0 = 0.
CCCCC NBFY = NBFY + 1
CCCCC IBNDFY(NBFY) = 1
CCCCC BVY(NBFY) = V0
C***********************************************************
C--------- Y DIRECTION ON FACE -X NEUTRAL LINE
V0 = 0.
NBFY = NBFY + 1
IBNDFY(NBFY) = NEY/2 + 1
BVY(NBFY) = V0
C***********************************************************
C==== SECOND KIND
C--------- FACE OF +X
FORCEINX = 1000.D0
C LOWER POINT
NFORCEX = NFORCEX + 1
IBFORCEX(NFORCEX) = NEX*NDY + 1
BVFORCEX(NFORCEX) = FORCEINX
C UPPER POINT
FORCEINX = -1000.D0
NFORCEX = NFORCEX + 1
IBFORCEX(NFORCEX) = NEX*NDY + NDY
BVFORCEX(NFORCEX) = FORCEINX
C=======================================================================
C DATA FILE INQUIRY
EXFILE = 'NEW'
INQUIRE ( FILE = INPFILE, EXIST = YES )
IF ( YES ) EXFILE='OLD'
C=======================================================================
C CREATING DATA FILES
C---------- PARAMETERS
OPEN ( 1, FILE=INPFILE, STATUS = EXFILE )
WRITE(1,*) YOUNG , POISSON
C---------- ELEMENTS
WRITE(1,*) NE
DO I = 1 , NE
WRITE (1,*) I, (NODEX(I,J), J = 1 , ND )
END DO
C---------- COORDINATES OF NONAL POINTS
WRITE(1,*) NNODE
DO I = 1 , NNODE
WRITE(1,*) I,XCOORD(I), YCOORD(I)
END DO
C---------- DIRICHLET TYPE BOUNDARY CONDITIONS
WRITE(1,*) NBFX
DO I = 1 , NBFX
WRITE (1,*) IBNDFX(I), BVX(I)
END DO
WRITE(1,*) NBFY
DO I = 1 , NBFY
WRITE (1,*) IBNDFY(I), BVY(I)
END DO
C---------- NUEMANN TYPE BOUNDARY CONDITIONS
WRITE(1,*) NFORCEX
IF ( NFORCEX .GT. 0 ) THEN
DO I = 1 , NFORCEX
WRITE(1,*) IBFORCEX(I), BVFORCEX(I)
END DO
ENDIF
WRITE(1,*) NFORCEY
IF ( NFORCEY .GT. 0 ) THEN
DO I = 1 , NFORCEY
WRITE(1,*) IBFORCEY(I), BVFORCEY(I)
END DO
ENDIF
C---------- FINAL
CLOSE (1)
C=======================================================================
C---------- ELEMENT DRAWING
OPEN ( 1, FILE='ELEMENT04.DAT', STATUS = 'UNKNOWN')
DO I = 1, NE
DO J = 1 , ND
WRITE (1,*) XCOORD(NODEX(I,J)), YCOORD(NODEX(I,J))
END DO
WRITE (1,*) XCOORD(NODEX(I,1)), YCOORD(NODEX(I,1))
WRITE (1,*)
END DO
CLOSE (1)
C=======================================================================
C---------- NEUTRAL NODAL NUMBERS
C NODEL NUMBERS ALONG NEUTRAL LINE OF BEAM
N2 = NEY/2
NNEUT = 1
NEUTRAL(NNEUT) = N2 + 1
DO I = 1 , NEX
NNEUT = NNEUT + 1
NEUTRAL(NNEUT) = NEUTRAL(NNEUT-1) + 2*N2 + 1
END DO
C=======================================================================
OPEN ( 1, FILE='NEUTRAL04.DAT', STATUS = 'UNKNOWN')
WRITE (1,*) NNEUT
DO I = 1 , NNEUT
WRITE (1,*) NEUTRAL(I)
END DO
CLOSE (1)
C=======================================================================
CALL BANDWID ( ND, MXE, NE, NODEX , NBW )
C------ CREATION OF PARAMETER FILE TO BE USED IN INCLUDE STATEMENT
OPEN ( 1, FILE='PARAM.DAT', STATUS='UNKNOWN' )
WRITE (1,*) ' PARAMETER ( ND=',ND,' )'
WRITE (1,*) ' PARAMETER ( INTEPT=',INTEPT,')'
WRITE (1,*) ' PARAMETER ( MXE=',NE,')'
WRITE (1,*) ' PARAMETER ( MXN=',NNODE,')'
WRITE (1,*) ' PARAMETER ( MXW=',NBW,')'
NB = MAX0 (NBFX, NBFY, NFORCEX, NFORCEY )
WRITE (1,*) ' PARAMETER ( MXB=',NB,' )'
CLOSE (1)
C=======================================================================
STOP "NORMAL TERMINATION"
END
C
C
SUBROUTINE BANDWID ( ND, MXE, NE, NODEX , NBW )
IMPLICIT REAL*8 ( A-H , O-Z )
DIMENSION NODEX(MXE,ND)
NBW = 0
DO I = 1 , NE
DO J = 1 , ND-1
DO K = J+1 , ND
NBW = MAX0(NBW,IABS(NODEX(I,J)-NODEX(I,K)))
END DO
END DO
END DO
NBW = NBW + 1
WRITE(*,*) 'HALF BANDWIDTH + 1 =', NBW
RETURN
END