From 3da3169aa4c30aa64bd07a104330bf2f1a02178f Mon Sep 17 00:00:00 2001
From: Michael Krayer <michael.krayer@posteo.de>
Date: Sat, 31 Jul 2021 11:42:41 +0200
Subject: [PATCH] noslip is now [u,v,w](x,-y,z) -> [-u,-v,-w](x,y,z)

---
 parallel.py | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/parallel.py b/parallel.py
index 5da4329..eb15e10 100644
--- a/parallel.py
+++ b/parallel.py
@@ -521,7 +521,7 @@ class PPP:
         return
 
     def set_noslip_bc(self,axis,wall):
-        '''Applies symmetry: [u,v,w](x,-y,z) -> [-u,v,-w](x,y,z)
+        '''Applies symmetry: [u,v,w](x,-y,z) -> [-u,-v,-w](x,y,z)
            The boundary conditions are only applied to fields which have already been loaded!'''
         if self.periodicity[axis]:
             return
@@ -536,10 +536,7 @@ class PPP:
             sl = [1,1,1]
             sl[axis] = iwall
             sl = tuple(sl)
-            if key==keyu[axis]:
-                self.symmetries[key][sl] = 1
-            else:
-                self.symmetries[key][sl] = -1
+            self.symmetries[key][sl] = -1
             self.impose_boundary_conditions(key)
         return