PROGRAM SET27STAX3D
C=======================================================================
C THREE DIMENSIONAL DATA GENERATING PROGRAM FOR STATICX.FOR
C PROJECT NAME: EIGENVALUE
C BOUNDARY CONDITIONS
C LEFT END : EITHER FIXED OR FREE
C RIGHT END: FREE
C ALL OTHERS: NO NORMAL FOECE, NO SHEAR FORCE
C DOMAIN: RECTANGULAR
C ELEMENT: 27-NODED ISOPARAMETRIC HEXA 3D PARABOLIC ELEMENT
C DOMAIN DISCRETIZATION: ONE-SIZE ELEMENTS
C EIJI FUKUMORI DECEMBER 9, 2010
C=======================================================================
IMPLICIT REAL*8 ( A-H , O-Z )
PARAMETER ( ND=27, MXE=220000, MXN=4000000, MXB=200000 )
PARAMETER (YOUNG=205.D9,POISSON=0.3D0, DENSITY=7860.D0,
* TLX = 100.D0 , TLY = 2.D0 , TLZ = 2.D0 ,
* NEX = 100 , NEY = 2 , NEZ = 2 )
C=======================================================================
DIMENSION NODEX(MXE,ND),
* XCOORD(MXN), YCOORD(MXN) ,ZCOORD(MXN),
* IBNDFX(MXB), IBNDFY(MXB) ,IBNDFZ(MXB)
CHARACTER INPFILE*13,EXFILE*3
LOGICAL YES, RSTRAINT
C=======================================================================
DATA INPFILE / 'EIGN3D27S.DAT' /
C=======================================================================
F(X) = X
G(X) = X
C=======================================================================
WRITE (*,*) 'ND =', ND
DX=TLX/(2*NEX)
DY=TLY/(2*NEY)
DZ=TLZ/(2*NEZ)
NDX = 2*NEX+1
NDY = 2*NEY+1
NDZ = 2*NEZ+1
C=======================================================================
C NEZ: NEMBER OF VERTICAL ELEMENTS
C NEY: NEMBER OF DEPTH ELEMENTS
C NEX: NEMBER OF HORIZONTAL ELEMENTS
C=======================================================================
C--------- EIGRNVALUE PARAMETER
C--------- DELTA = SHIFT PARAMETER THAT MUST BE > 0.
C--------- NEIGEN = NUMBER OF EIGRNVALUES TO BE EVALUATED
C------- IF THERE ARE SOME DIRICHLET BOUNDARIES, RSTRAINT = .TRUE.
C------- IF NO NODE IS GROUNDED, RSTRAINT = .FALSE.
C------- RSTRAINT = .FALSE. IF FREE MOTION.
C------- RSTRAINT = .TRUE. IF SOME NODES ARE FIXED.
DELTA = 1.D-2
NEIGEN = 30
RSTRAINT = .TRUE.
C=======================================================================
WRITE (*,*) INPFILE
WRITE (*,*)'DENSITY OF SOLID = ',DENSITY
WRITE (*,*)'YOUNG MODULUS = ',YOUNG
WRITE (*,*)'POISSON RATIO = ',POISSON
WRITE (*,*)'DELTA =', DELTA
WRITE (*,*)'NEIGEN =', NEIGEN
WRITE (*,*)'RSTRAINT =', RSTRAINT
C=======================================================================
C ELEMENT CREATION
NE = 0
DO I = 1 , NEX
DO J = 1 , NEZ
DO K = 1 , NEY
NE = NE + 1
IF ( NE .GT. MXE ) STOP 'NE > MXE'
C------- BOTTOM FLOOR
NODEX(NE,1) = (I-1)*NDY*NDZ*2 + (J-1)*NDY*2 + (K-1)*2 + 1
NODEX(NE,2) = NODEX(NE,1) + NDY*NDZ
NODEX(NE,3) = NODEX(NE,2) + NDY*NDZ
NODEX(NE,4) = NODEX(NE,3) + 1
NODEX(NE,5) = NODEX(NE,4) + 1
NODEX(NE,8) = NODEX(NE,1) + 1
NODEX(NE,7) = NODEX(NE,8) + 1
NODEX(NE,9) = NODEX(NE,2) + 1
NODEX(NE,6) = NODEX(NE,9) + 1
C------- MIDIUM FLOOR
NODEX(NE,10) = NODEX(NE,1) + NDY
NODEX(NE,17) = NODEX(NE,10) + 1
NODEX(NE,16) = NODEX(NE,17) + 1
NODEX(NE,11) = NODEX(NE,10) + NDY*NDZ
NODEX(NE,18) = NODEX(NE,11) + 1
NODEX(NE,15) = NODEX(NE,18) + 1
NODEX(NE,12) = NODEX(NE,11) + NDY*NDZ
NODEX(NE,13) = NODEX(NE,12) + 1
NODEX(NE,14) = NODEX(NE,13) + 1
C------- TOP FLOOR
NODEX(NE,19) = NODEX(NE,10) + NDY
NODEX(NE,26) = NODEX(NE,19) + 1
NODEX(NE,25) = NODEX(NE,26) + 1
NODEX(NE,20) = NODEX(NE,19) + NDY*NDZ
NODEX(NE,27) = NODEX(NE,20) + 1
NODEX(NE,24) = NODEX(NE,27) + 1
NODEX(NE,21) = NODEX(NE,20) + NDY*NDZ
NODEX(NE,22) = NODEX(NE,21) + 1
NODEX(NE,23) = NODEX(NE,22) + 1
END DO
END DO
END DO
WRITE (*,*) 'NUMBER OF ELEMENTS =', NE
CALL BANDWID ( MXE , ND , NE , NODEX , NBW )
C=======================================================================
C--------0---------0---------0---------0---------0---------0---------0--
C NODAL COORDINATE CREATION
NNODE = 0
DO I = 1 , NDX
DO K = 1 , NDZ
DO J = 1 , NDY
NNODE = NNODE + 1
IF ( NNODE .GT. MXN ) STOP 'NNODE > MXN'
XCOORD(NNODE) = (I-1)*DX
YCOORD(NNODE) = (J-1)*DY
ZCOORD(NNODE) = (K-1)*DZ
END DO
END DO
END DO
WRITE (*,*) 'NUMBER OF NODAL POINTS =', NNODE
C=======================================================================
C BOUNDARY CONDITIONS
C==== FIRST FIND
C--------- NAVIER EQUATIONS
C------- IF THERE ARE SOME DIRICHLET BOUNDARIES, RSTRAINT = .TRUE.
C------- IF NO NODE IS GROUNDED, RSTRAINT = .FALSE.
NBFX = 0
NBFY = 0
NBFZ = 0
IF ( RSTRAINT ) THEN
C-----------------------------------------------
C--------- X DIRECTION ON FACE -X
DO K = 1 , NDZ
DO J = 1 , NDY
C
NBFX = NBFX + 1
IBNDFX(NBFX) = J + (K-1)*NDY
C
NBFY = NBFY + 1
IBNDFY(NBFY) = J + (K-1)*NDY
C
NBFZ = NBFZ + 1
IBNDFZ(NBFZ) = J + (K-1)*NDY
C
END DO
END DO
END IF
C-----------------------------------------------
WRITE(*,*) 'NUMBER OF DIRICHLET BOUNDARY CONDITIONS IN X=',NBFX
WRITE(*,*) 'NUMBER OF DIRICHLET BOUNDARY CONDITIONS IN Y=',NBFY
WRITE(*,*) 'NUMBER OF DIRICHLET BOUNDARY CONDITIONS IN Z=',NBFZ
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,*) DELTA, NEIGEN
WRITE(1,*) DENSITY, 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), ZCOORD(I)
END DO
C---------- DIRICHLET TYPE BOUNDARY CONDITIONS
WRITE(1,*) NBFX
IF ( NBFX .GT. 0 ) THEN
DO I = 1 , NBFX
WRITE (1,*) IBNDFX(I)
END DO
END IF
WRITE(1,*) NBFY
IF ( NBFY .GT. 0 ) THEN
DO I = 1 , NBFY
WRITE (1,*) IBNDFY(I)
END DO
END IF
WRITE(1,*) NBFZ
IF ( NBFZ .GT. 0 ) THEN
DO I = 1 , NBFZ
WRITE (1,*) IBNDFZ(I)
END DO
END IF
C=======================================================================
C---------- FINAL
CLOSE (1)
C=======================================================================
IF ( ND .EQ. 8 ) INTEPT=2
IF ( ND .EQ. 27 ) INTEPT=3
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,' )'
WRITE (1,*) ' PARAMETER ( MXENGN=',NEIGEN,' )'
WRITE (1,*) ' PARAMETER ( MXB=',NBFX+NBFY+NBFZ,' )'
CLOSE (1)
C=======================================================================
STOP 'NORMAL TERMINATION'
END
C
C
SUBROUTINE BANDWID ( MXE , ND , NE , NODEX , NBW )
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 (*,*) 'HALH BANDWIDTH =', NBW
RETURN
END