From 7f39042fb1d03812aedc4ff9795f3fef0fb2ab39 Mon Sep 17 00:00:00 2001
From: Joshua Lampert <51029046+JoshuaLampert@users.noreply.github.com>
Date: Sun, 25 Feb 2024 19:40:48 +0100
Subject: [PATCH] =?UTF-8?q?fix=20initial=20condition=20for=20manufactured?=
 =?UTF-8?q?=20solution=20(Sv=C3=A4rd-Kalisch=20equations)=20(#92)?=
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---
 src/equations/svaerd_kalisch_1d.jl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/equations/svaerd_kalisch_1d.jl b/src/equations/svaerd_kalisch_1d.jl
index 00e33777..c2daa136 100644
--- a/src/equations/svaerd_kalisch_1d.jl
+++ b/src/equations/svaerd_kalisch_1d.jl
@@ -94,7 +94,8 @@ function initial_condition_manufactured(x, t,
                                         mesh)
     eta = exp(t) * cospi(2 * (x - 2 * t))
     v = exp(t / 2) * sinpi(2 * (x - t / 2))
-    D = 5 + 2 * cospi(2 * x)
+    b = -5 - 2 * cospi(2 * x)
+    D = equations.eta0 - b
     return SVector(eta, v, D)
 end