From 0fa5d14b73737673f5c5d698ecc02fbc0861a679 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sat, 13 Oct 2018 18:34:13 +0200
Subject: Exclude channel walls from inflow

---
 channel.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/channel.cc b/channel.cc
index 4307dfd..c4a4199 100644
--- a/channel.cc
+++ b/channel.cc
@@ -63,7 +63,7 @@ void computeLbmStep() {
 
 	for ( std::size_t x = 0; x < dimX; ++x ) {
 		for ( std::size_t y = 0; y < dimY; ++y ) {
-			if ( x == 0 ) {
+			if ( x == 0 && y > 0 && y < dimY-1 ) {
 				// inflow
 				fluid.density(x,y)  = 1.0;
 				fluid.velocity(x,y) = { uInflow, 0 };
-- 
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