From a3e143cba7929c8321aabe73365d4b500af903a7 Mon Sep 17 00:00:00 2001
From: Aron Roland <aaronroland@gmx.de>
Date: Mon, 23 Oct 2023 22:42:30 +0200
Subject: [PATCH] init_bugs2: solve neuman on boundary

---
 model/src/w3srcemd.F90 | 13 +++++++++----
 model/src/w3wavemd.F90 | 11 +++++++++++
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/model/src/w3srcemd.F90 b/model/src/w3srcemd.F90
index a846605d8..592d141c5 100644
--- a/model/src/w3srcemd.F90
+++ b/model/src/w3srcemd.F90
@@ -1530,8 +1530,13 @@ SUBROUTINE W3SRCE ( srce_call, IT, ISEA, JSEA, IX, IY, IMOD,          &
                   DVS  = SIGN(MIN(MAXDAC,ABS(DVS)),DVS)
                 ENDIF
                 PreVS  = DVS / FAKS
-                eVS    = PreVS / CG1(IK) * CLATSL
-                eVD    = MIN(0.,VD(ISP))
+                IF (IOBP_LOC(JSEA) .EQ. 3) THEN
+                  eVS = 0
+                  eVD = 0
+                ELSE
+                  eVS    = PreVS / CG1(IK) * CLATSL
+                  eVD    = MIN(0.,VD(ISP))
+                ENDIF
                 B_JAC(ISP,JSEA)                   = B_JAC(ISP,JSEA) + SIDT * (eVS - eVD*SPEC(ISP)*JAC)
                 ASPAR_JAC(ISP,PDLIB_I_DIAG(JSEA)) = ASPAR_JAC(ISP,PDLIB_I_DIAG(JSEA)) - SIDT * eVD
 #ifdef W3_DB1
@@ -1544,9 +1549,9 @@ SUBROUTINE W3SRCE ( srce_call, IT, ISEA, JSEA, IX, IY, IMOD,          &
                   evS = -evS
                   evD = 2*evD
                 ENDIF
-#endif
                 B_JAC(ISP,JSEA)                   = B_JAC(ISP,JSEA) + SIDT * eVS
                 ASPAR_JAC(ISP,PDLIB_I_DIAG(JSEA)) = ASPAR_JAC(ISP,PDLIB_I_DIAG(JSEA)) - SIDT * eVD
+#endif
 
 #ifdef W3_TR1
                 eVS = VSTR(ISP) * JAC
@@ -1558,9 +1563,9 @@ SUBROUTINE W3SRCE ( srce_call, IT, ISEA, JSEA, IX, IY, IMOD,          &
                   evS = -evS
                   evD = 2*evD
                 ENDIF
-#endif
                 B_JAC(ISP,JSEA)                   = B_JAC(ISP,JSEA) + SIDT * eVS
                 ASPAR_JAC(ISP,PDLIB_I_DIAG(JSEA)) = ASPAR_JAC(ISP,PDLIB_I_DIAG(JSEA)) - SIDT * eVD
+#endif
               END DO
             END DO
 
diff --git a/model/src/w3wavemd.F90 b/model/src/w3wavemd.F90
index 44c80964d..c0c3195f9 100644
--- a/model/src/w3wavemd.F90
+++ b/model/src/w3wavemd.F90
@@ -1453,6 +1453,12 @@ SUBROUTINE W3WAVE ( IMOD, ODAT, TEND, STAMP, NO_OUT &
         call print_memcheck(memunit, 'memcheck_____:'//' WW3_WAVE TIME LOOP 13')
         !
 #ifdef W3_PDLIB
+
+        IF (LPDLIB .and. .not. FLSOU .and. .not. FSSOURCE) THEN
+          B_JAC     = 0.
+          ASPAR_JAC = 0.
+        ENDIF
+
         IF (LPDLIB .and. FLSOU .and. FSSOURCE) THEN
 #endif
 
@@ -1484,6 +1490,10 @@ SUBROUTINE W3WAVE ( IMOD, ODAT, TEND, STAMP, NO_OUT &
 
             CALL INIT_GET_ISEA(ISEA, JSEA)
 
+            IF ((IOBP_LOC(JSEA).eq.1..or.IOBP_LOC(JSEA).eq. 3).and.IOBDP_LOC(JSEA).eq.1.and.IOBPA_LOC(JSEA).eq.0) THEN
+            
+
+
             IX     = MAPSF(ISEA,1)
             IY     = MAPSF(ISEA,2)
             DELA=1.
@@ -1556,6 +1566,7 @@ SUBROUTINE W3WAVE ( IMOD, ODAT, TEND, STAMP, NO_OUT &
             WRITE(740+IAPROC,*) '     SHAVETOT=', SHAVETOT(JSEA)
             FLUSH(740+IAPROC)
 #endif
+          ENDIF 
           END DO ! JSEA
         END IF ! PDLIB
 #endif