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.
98 lines
2.8 KiB
98 lines
2.8 KiB
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
|
|
|
|
SUBROUTINE SETN02 (MXND, NXL, LXK, KXL, LINE, NEND, NODE, N0, N2)
|
|
C***********************************************************************
|
|
|
|
C SUBROUTINE SETN02 = PICKS THE NEXT LINE AROUND THE ELEMENTS ATTACHED
|
|
C TO LINE WITH ONE END AT NEND, AND THE OTHER END
|
|
C NOT AT NODE, AND FROM THE CONNECTIVITY OF THE
|
|
C ELEMENTS DETERMINES THE BOUNDING ANGULAR LINES
|
|
C AND NODES.
|
|
|
|
C***********************************************************************
|
|
|
|
DIMENSION NXL(2, 3*MXND)
|
|
DIMENSION LXK(4, MXND), KXL(2, 3*MXND)
|
|
|
|
K1 = KXL (1, LINE)
|
|
K2 = KXL (2, LINE)
|
|
|
|
C FIND THE NEXT LINE IN K1
|
|
|
|
DO 100 I = 1, 4
|
|
IL = LXK (I, K1)
|
|
IF ((NXL (1, IL) .EQ. NEND) .AND.
|
|
& (NXL (2, IL) .NE. NODE)) THEN
|
|
L1 = IL
|
|
NNEW1 = NXL (2, IL)
|
|
GOTO 110
|
|
ELSEIF ((NXL (2, IL) .EQ. NEND) .AND.
|
|
& (NXL (1, IL) .NE. NODE)) THEN
|
|
L1 = IL
|
|
NNEW1 = NXL (1, IL)
|
|
GOTO 110
|
|
ENDIF
|
|
100 CONTINUE
|
|
CALL MESSAGE('** PROBLEMS IN SETN02 FINDING NNEW1 **')
|
|
RETURN
|
|
|
|
110 CONTINUE
|
|
|
|
C FIND THE NEXT LINE IN K2
|
|
|
|
DO 120 I = 1, 4
|
|
IL = LXK (I, K2)
|
|
IF ((NXL (1, IL) .EQ. NEND) .AND.
|
|
& (NXL (2, IL) .NE. NODE)) THEN
|
|
NNEW2 = NXL (2, IL)
|
|
GOTO 130
|
|
ELSEIF ((NXL (2, IL) .EQ. NEND) .AND.
|
|
& (NXL (1, IL) .NE. NODE)) THEN
|
|
NNEW2 = NXL (1, IL)
|
|
GOTO 130
|
|
ENDIF
|
|
120 CONTINUE
|
|
CALL MESSAGE('** PROBLEMS IN SETN02 FINDING NNEW2 **')
|
|
RETURN
|
|
|
|
130 CONTINUE
|
|
|
|
C NOW DETERMINE WHICH OF THESE NODES IS N0 AND WHICH IS N2 BASED
|
|
C ON THE FACT THAT THE CONNECTIVITY OF THE ELEMENTS LINES IS ALWAYS IN
|
|
C COUNTER-CLOCKWISE ORDER
|
|
|
|
DO 140 I = 1, 4
|
|
IF (LXK (I, K1) .EQ. LINE) THEN
|
|
I0 = I - 1
|
|
I2 = I + 1
|
|
IF (I .EQ. 1) THEN
|
|
I0 = 4
|
|
ELSEIF (I .EQ. 4) THEN
|
|
I2 = 1
|
|
ENDIF
|
|
L0 = LXK (I0, K1)
|
|
L2 = LXK (I2, K1)
|
|
IF (L0 .EQ. L1) THEN
|
|
N0 = NNEW1
|
|
N2 = NNEW2
|
|
ELSEIF (L2 .EQ. L1) THEN
|
|
N0 = NNEW2
|
|
N2 = NNEW1
|
|
ELSE
|
|
CALL MESSAGE('** PROBLEMS IN SETN02 FINDING N0 '//
|
|
& 'AND N2 **')
|
|
ENDIF
|
|
GOTO 150
|
|
ENDIF
|
|
140 CONTINUE
|
|
CALL MESSAGE('** PROBLEMS IN SETN02 FINDING LINE AGAIN **')
|
|
|
|
150 CONTINUE
|
|
|
|
RETURN
|
|
|
|
END
|
|
|