You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
129 lines
3.9 KiB
129 lines
3.9 KiB
2 years ago
|
C Copyright(C) 1999-2020 National Technology & Engineering Solutions
|
||
|
|
C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
|
||
|
|
C NTESS, the U.S. Government retains certain rights in this software.
|
||
|
|
C
|
||
|
|
C See packages/seacas/LICENSE for details
|
||
|
|
|
||
|
|
C=======================================================================
|
||
|
|
SUBROUTINE EXPARC (XN, YN, XN3, YN3, ZN3, IXNP, NRNP, NPCEN,
|
||
|
|
& SINANG, COSANG)
|
||
|
|
C=======================================================================
|
||
|
|
|
||
|
|
C --*** EXPARC *** (GEN3D) Calculate 3D coordinates
|
||
|
|
C -- Written by Amy Gilkey - revised 05/09/88
|
||
|
|
C -- Modified by Greg Sjaardema - 02/06/89
|
||
|
|
C -- Added Warp Function
|
||
|
|
C -- Added Gradient to Rotations (not for center blocks)
|
||
|
|
C --
|
||
|
|
C --NEWXYZ calculates the coordinate array for the 3D database.
|
||
|
|
C --
|
||
|
|
C --Parameters:
|
||
|
|
C -- XN, YN - IN - the 2D coordinates, destroyed
|
||
|
|
C -- XN3, YN3, ZN3 - OUT - the 3D coordinates
|
||
|
|
C -- IXNP - IN - the new index for each node
|
||
|
|
C -- NRNP - IN - the number of new nodes generated for each node
|
||
|
|
C -- NPCEN - IN - the node numbers of the center nodes by column and row
|
||
|
|
C -- SINANG, COSANG - SCRATCH - size = NNREPL, holds sin and cos of
|
||
|
|
C -- angles for rotations
|
||
|
|
C --
|
||
|
|
C --Common Variables:
|
||
|
|
C -- Uses NDIM, NUMNP of /DBNUMS/
|
||
|
|
C -- Uses NDIM3, NUMNP3 of /DBNUM3/
|
||
|
|
C -- Uses DOTRAN, NNREPL, DIM3, NRTRAN, D3TRAN, ZGRAD,
|
||
|
|
C -- CENTER, NUMCOL, NUMROW of /PARAMS/
|
||
|
|
|
||
|
|
INCLUDE 'g3_dbnums.blk'
|
||
|
|
INCLUDE 'g3_dbnum3.blk'
|
||
|
|
INCLUDE 'g3_params.blk'
|
||
|
|
|
||
|
|
REAL XN(NUMNP), YN(NUMNP),
|
||
|
|
& XN3(NUMNP3), YN3(NUMNP3), ZN3(NUMNP3)
|
||
|
|
INTEGER IXNP(*), NRNP(*)
|
||
|
|
INTEGER NPCEN(NUMCDM,*)
|
||
|
|
REAL SINANG(NNREPL), COSANG(NNREPL)
|
||
|
|
|
||
|
|
PI = ATAN2(0.0, -1.0)
|
||
|
|
C --For rotations, change X and add Z so that they define pie-shaped
|
||
|
|
C --regions around the Y axis
|
||
|
|
|
||
|
|
C --Copy Y coordinate from original
|
||
|
|
|
||
|
|
DO 520 INP = 1, NUMNP
|
||
|
|
JNP0 = IXNP(INP) - 1
|
||
|
|
DO 510 NR = 1, NRNP(INP)
|
||
|
|
YN3(JNP0+NR) = YN(INP)
|
||
|
|
510 CONTINUE
|
||
|
|
520 CONTINUE
|
||
|
|
|
||
|
|
C ... Check minimum X coordinate to see if we will generate bad elements
|
||
|
|
XMIN = XN(1)
|
||
|
|
DO 5 INP = 2, NUMNP
|
||
|
|
XMIN = MIN(XMIN, XN(INP))
|
||
|
|
5 CONTINUE
|
||
|
|
XMIN = XMIN - CENTER
|
||
|
|
if (XMIN .LT. 0) THEN
|
||
|
|
call prterr('WARNING',
|
||
|
|
& 'Input mesh crosses over axis of rotation (Y). Negative '//
|
||
|
|
& 'elements may be generated. Adjust ROTCEN or input mesh.')
|
||
|
|
end if
|
||
|
|
|
||
|
|
C --Subtract center, so rotation is around zero
|
||
|
|
|
||
|
|
IF (CENTER .NE. 0.0) THEN
|
||
|
|
DO 20 INP = 1, NUMNP
|
||
|
|
XN(INP) = XN(INP) - CENTER
|
||
|
|
20 CONTINUE
|
||
|
|
END IF
|
||
|
|
|
||
|
|
C --Get the coordinates for the non-center nodes
|
||
|
|
|
||
|
|
IBLK = 0
|
||
|
|
NXTNR = 1
|
||
|
|
|
||
|
|
ZEND = 0.0
|
||
|
|
DEGR = 0.0
|
||
|
|
1 CONTINUE
|
||
|
|
IBLK = IBLK + 1
|
||
|
|
IF (NRTRAN(IBLK) .GT. 0) THEN
|
||
|
|
ZBEG = ZEND
|
||
|
|
ZEND = ZBEG + D3TRAN(IBLK) * PI / 180.
|
||
|
|
DEGR = DEGR + D3TRAN(IBLK)
|
||
|
|
if (DEGR .lt. 360.0) then
|
||
|
|
nrot = nrtran(iblk)+1
|
||
|
|
else
|
||
|
|
nrot = nrtran(iblk)
|
||
|
|
end if
|
||
|
|
CALL INIGRD (-ZBEG, -ZEND, ZGRAD(IBLK),
|
||
|
|
* NRTRAN(IBLK), nrot, COSANG(NXTNR) )
|
||
|
|
NXTNR = NXTNR + NRTRAN(IBLK)
|
||
|
|
IF (IBLK .LT. MAXINT) GO TO 1
|
||
|
|
END IF
|
||
|
|
|
||
|
|
DO 30 NR = 1, NNREPL
|
||
|
|
ANG = COSANG(NR)
|
||
|
|
SINANG(NR) = SIN (ANG)
|
||
|
|
COSANG(NR) = COS (ANG)
|
||
|
|
30 CONTINUE
|
||
|
|
|
||
|
|
DO 60 INP = 1, NUMNP
|
||
|
|
IF (NRNP(INP) .EQ. NNREPL) THEN
|
||
|
|
JNP = IXNP(INP)
|
||
|
|
X = XN(INP)
|
||
|
|
DO 50 NR = 1, NNREPL
|
||
|
|
XN3(JNP) = X * COSANG(NR)
|
||
|
|
ZN3(JNP) = X * SINANG(NR)
|
||
|
|
JNP = JNP + 1
|
||
|
|
50 CONTINUE
|
||
|
|
END IF
|
||
|
|
60 CONTINUE
|
||
|
|
|
||
|
|
C --Add center of rotation
|
||
|
|
|
||
|
|
IF (CENTER .NE. 0.0) THEN
|
||
|
|
DO 180 JNP = 1, NUMNP3
|
||
|
|
XN3(JNP) = XN3(JNP) + CENTER
|
||
|
|
180 CONTINUE
|
||
|
|
END IF
|
||
|
|
RETURN
|
||
|
|
END
|