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Re-enabled GPFORCE for buckling #231

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Merged
victorkemp merged 1 commit into from
May 30, 2026
Merged

Re-enabled GPFORCE for buckling #231

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24 changes: 17 additions & 7 deletions Source/LK9/L92/GP_FORCE_BALANCE_PROC.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,8 @@ SUBROUTINE GP_FORCE_BALANCE_PROC ( JVEC, IHEADER )
USE COL_VECS, ONLY : FG_COL, PG_COL, QGm_COL, QGs_COL, QGr_COL, UG_COL
USE PARAMS, ONLY : EPSIL
USE CC_OUTPUT_DESCRIBERS, ONLY : GPFO_OUT

USE NONLINEAR_PARAMS, ONLY : LOAD_ISTEP

USE GP_FORCE_BALANCE_PROC_USE_IFs

IMPLICIT NONE
Expand Down Expand Up @@ -127,11 +128,6 @@ SUBROUTINE GP_FORCE_BALANCE_PROC ( JVEC, IHEADER )

! **********************************************************************************************************************************

! GPFORCE is unsupported for buckling decks
IF (SOL_NAME(1:8) == "BUCKLING") THEN
RETURN
ENDIF

! Print some summary info for max abs value of GP force balance for each solution vector
IS_GPFORCE_SUMMARY_INFO = (DEBUG(192) > 0)

Expand Down Expand Up @@ -183,7 +179,6 @@ SUBROUTINE GP_FORCE_BALANCE_PROC ( JVEC, IHEADER )
WRITE(F06,*)
WRITE(F06,*)
ENDIF

ISUBCASE_INDEX = 0
IF (SOL_NAME(1:7) == 'STATICS') THEN
ISUBCASE_INDEX = JVEC
Expand All @@ -192,6 +187,20 @@ SUBROUTINE GP_FORCE_BALANCE_PROC ( JVEC, IHEADER )
FIELD5_INT_MODE = SCNUM(JVEC)
IF (WRITE_F06) WRITE(F06,9101) SCNUM(JVEC)

ELSE IF ((SOL_NAME(1:8) == 'BUCKLING') .AND. (LOAD_ISTEP == 1)) THEN

ISUBCASE_INDEX = JVEC
ANALYSIS_CODE = 1
FIELD5_INT_MODE = SCNUM(JVEC)
IF (WRITE_F06) WRITE(F06,9101) SCNUM(JVEC)

ELSE IF ((SOL_NAME(1:8) == 'BUCKLING') .AND. (LOAD_ISTEP == 2)) THEN

ISUBCASE_INDEX = 1 ! modes
ANALYSIS_CODE = 2
FIELD5_INT_MODE = JVEC
IF (WRITE_F06) WRITE(F06,9102) JVEC

ELSE IF (SOL_NAME(1:5) == 'MODES') THEN
ISUBCASE_INDEX = 1 ! modes
ANALYSIS_CODE = 2
Expand Down Expand Up @@ -219,6 +228,7 @@ SUBROUTINE GP_FORCE_BALANCE_PROC ( JVEC, IHEADER )
WRITE(F06,9103) JVEC, NUM_CB_DOFS, 'displacement', BNDY_GRID, BNDY_COMP
ENDIF
ENDIF

ENDIF

ISUBCASE = SCNUM(ISUBCASE_INDEX)
Expand Down
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