From f06a59c951c9623a5fa79a7ad4496cb57fb62bb0 Mon Sep 17 00:00:00 2001
From: Christoph Rettinger <christoph.rettinger@fau.de>
Date: Wed, 3 Apr 2019 15:05:28 +0200
Subject: [PATCH] Added reference to MRT sweep
---
src/lbm/mrt/CellwiseSweep.impl.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/lbm/mrt/CellwiseSweep.impl.h b/src/lbm/mrt/CellwiseSweep.impl.h
index 67c96e084..b9a3628ca 100644
--- a/src/lbm/mrt/CellwiseSweep.impl.h
+++ b/src/lbm/mrt/CellwiseSweep.impl.h
@@ -41,6 +41,12 @@ namespace lbm {
// D3Q19 SPECIALIZATION //
//////////////////////////
+// This MRT variant is taken from the dissertation of Ulf Schiller
+// "Thermal fluctuations and boundary conditions in the lattice Boltzmann method" (2008), p. 24ff
+// There are some typos in the moment matrix on p.27
+// The here implemented ordering of the moments is however different from the reference (Eq. 2.61-2.63)
+// The moments are weighted orthogonal (Eq. 2.58)
+
#define WALBERLA_LBM_CELLWISE_SWEEP_SPECIALIZATION_MRT_1 \
std::is_same< typename LatticeModel_T::CollisionModel::tag, collision_model::MRT_tag >::value && \
std::is_same< typename LatticeModel_T::Stencil, stencil::D3Q19 >::value && \
--
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