From 2bcbae122b141147e472bdbbad219c3571f71d0b Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Tue, 16 Oct 2018 12:44:24 +0200
Subject: Implement moving wall / velocity Dirichlet boundary condition

Usable as both the inflow condition of the channel example and the top
wall of a lid driven cavity.
---
 src/vector.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/vector.h')

diff --git a/src/vector.h b/src/vector.h
index 5e105c4..839707f 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -52,6 +52,11 @@ Vector<T> operator*(T scalar, const Vector<T>& v) {
 	};
 }
 
+template <typename T, typename W>
+decltype(T{}*W{}) operator*(const Vector<T>& a, const Vector<W>& b) {
+	return a[0]*b[0] + a[1]*b[1];
+}
+
 template <typename T, typename W>
 Vector<T> operator-(const Vector<T>& a, const Vector<W>& b) {
 	return Vector<T>{
-- 
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