From 33d8b8a574ff84be8352ebd31e5740c673d0d4bd Mon Sep 17 00:00:00 2001
From: Melanie Lipp <melanie.lipp@iws.uni-stuttgart.de>
Date: Mon, 1 Feb 2021 18:16:08 +0100
Subject: [PATCH] [test][kovasnay] Add comment that for \tho \neq 1, UMFPack
can be used to obtain convergence.
---
test/freeflow/navierstokes/kovasznay/main.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/test/freeflow/navierstokes/kovasznay/main.cc b/test/freeflow/navierstokes/kovasznay/main.cc
index 17ea7812d8..2d69bb0efc 100644
--- a/test/freeflow/navierstokes/kovasznay/main.cc
+++ b/test/freeflow/navierstokes/kovasznay/main.cc
@@ -136,7 +136,7 @@ int main(int argc, char** argv)
auto assembler = std::make_shared<Assembler>(problem, gridGeometry, gridVariables);
// the linear solver
- using LinearSolver = Dumux::UzawaBiCGSTABBackend<LinearSolverTraits<GridGeometry>>;
+ using LinearSolver = Dumux::UzawaBiCGSTABBackend<LinearSolverTraits<GridGeometry>>; // if rho \neq 1, use UMFPack rather than BIGCStab
auto linearSolver = std::make_shared<LinearSolver>();
// the non-linear solver
--
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