diff --git a/tests/lbm/CMakeLists.txt b/tests/lbm/CMakeLists.txt
index 8f735fb94c96198cf6153050a56c8bb89cdaab53..7ffa9167b581853dbef5ffa4d203923f7e2069e1 100644
--- a/tests/lbm/CMakeLists.txt
+++ b/tests/lbm/CMakeLists.txt
@@ -77,3 +77,7 @@ waLBerla_python_file_generates(codegen/LbCodeGenerationExample.py
LbCodeGenerationExample_UBB.cpp )
waLBerla_compile_test( FILES codegen/LbCodeGenerationExample.py
codegen/LbCodeGenerationExample.cpp)
+waLBerla_python_file_generates(codegen/FluctuatingMRT.py
+ FluctuatingMRT_LatticeModel.cpp )
+waLBerla_compile_test( FILES codegen/FluctuatingMRT.py
+ codegen/FluctuatingMRT.cpp)
\ No newline at end of file
diff --git a/tests/lbm/codegen/FluctuatingMRT.cpp b/tests/lbm/codegen/FluctuatingMRT.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..2b9ccdba11237b4b8a3129e02eaae668e2c24e3c
--- /dev/null
+++ b/tests/lbm/codegen/FluctuatingMRT.cpp
@@ -0,0 +1,119 @@
+//======================================================================================================================
+//
+// This file is part of waLBerla. waLBerla is free software: you can
+// redistribute it and/or modify it under the terms of the GNU General Public
+// License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// waLBerla is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with waLBerla (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
+//
+//! \file SrtWithForceField.cpp
+//! \author Michael Kuron <mkuron@icp.uni-stuttgart.de>
+//
+//======================================================================================================================
+
+#include "blockforest/all.h"
+#include "core/all.h"
+#include "domain_decomposition/all.h"
+#include "field/all.h"
+#include "geometry/all.h"
+#include "gui/all.h"
+#include "timeloop/all.h"
+
+#include "lbm/field/PdfField.h"
+#include "lbm/field/AddToStorage.h"
+#include "lbm/communication/PdfFieldPackInfo.h"
+#include "lbm/gui/Connection.h"
+#include "lbm/vtk/VTKOutput.h"
+
+#include "FluctuatingMRT_LatticeModel.h"
+
+
+using namespace walberla;
+
+typedef lbm::FluctuatingMRT_LatticeModel LatticeModel_T;
+typedef LatticeModel_T::Stencil Stencil_T;
+typedef LatticeModel_T::CommunicationStencil CommunicationStencil_T;
+typedef lbm::PdfField< LatticeModel_T > PdfField_T;
+
+typedef GhostLayerField< real_t, LatticeModel_T::Stencil::D > VectorField_T;
+typedef GhostLayerField< real_t, 1 > ScalarField_T;
+
+typedef walberla::uint8_t flag_t;
+typedef FlagField< flag_t > FlagField_T;
+
+
+
+int main( int argc, char ** argv )
+{
+ walberla::Environment walberlaEnv( argc, argv );
+
+ auto blocks = blockforest::createUniformBlockGridFromConfig( walberlaEnv.config() );
+
+ // read parameters
+ auto parameters = walberlaEnv.config()->getOneBlock( "Parameters" );
+
+ const real_t omega = parameters.getParameter< real_t > ( "omega", real_c( 1.4 ) );
+ const Vector3<real_t> initialVelocity = parameters.getParameter< Vector3<real_t> >( "initialVelocity", Vector3<real_t>() );
+ const uint_t timesteps = parameters.getParameter< uint_t > ( "timesteps", uint_c( 10 ) );
+ const real_t temperature = real_t(0.01);
+ const uint_t seed = uint_t(0);
+
+ const double remainingTimeLoggerFrequency = parameters.getParameter< double >( "remainingTimeLoggerFrequency", 3.0 ); // in seconds
+
+ // create fields
+ BlockDataID forceFieldId = field::addToStorage<VectorField_T>( blocks, "Force", real_t( 0.0 ));
+
+ LatticeModel_T latticeModel = LatticeModel_T( forceFieldId, omega, omega, seed, temperature, uint_t(0) );
+ BlockDataID pdfFieldId = lbm::addPdfFieldToStorage( blocks, "pdf field", latticeModel, initialVelocity, real_t(1) );
+ BlockDataID flagFieldId = field::addFlagFieldToStorage< FlagField_T >( blocks, "flag field" );
+
+ // create and initialize boundary handling
+ const FlagUID fluidFlagUID( "Fluid" );
+
+ // create time loop
+ SweepTimeloop timeloop( blocks->getBlockStorage(), timesteps );
+
+ // create communication for PdfField
+ blockforest::communication::UniformBufferedScheme< CommunicationStencil_T > communication( blocks );
+ communication.addPackInfo( make_shared< lbm::PdfFieldPackInfo< LatticeModel_T > >( pdfFieldId ) );
+
+ // add LBM sweep and communication to time loop
+ timeloop.add() << BeforeFunction( [&](){ latticeModel.time_step = uint32_c(timeloop.getCurrentTimeStep()); }, "set RNG counter" )
+ << BeforeFunction( communication, "communication" )
+ << Sweep( LatticeModel_T::Sweep( pdfFieldId ), "LB stream & collide" );
+
+ // LBM stability check
+ timeloop.addFuncAfterTimeStep( makeSharedFunctor( field::makeStabilityChecker< PdfField_T, FlagField_T >( walberlaEnv.config(), blocks, pdfFieldId,
+ flagFieldId, fluidFlagUID ) ),
+ "LBM stability check" );
+
+ // log remaining time
+ timeloop.addFuncAfterTimeStep( timing::RemainingTimeLogger( timeloop.getNrOfTimeSteps(), remainingTimeLoggerFrequency ), "remaining time logger" );
+
+ // add VTK output to time loop
+ lbm::VTKOutput< LatticeModel_T, FlagField_T >::addToTimeloop( timeloop, blocks, walberlaEnv.config(), pdfFieldId, flagFieldId, fluidFlagUID );
+
+ // create adaptors, so that the GUI also displays density and velocity
+ // adaptors are like fields with the difference that they do not store values
+ // but calculate the values based on other fields ( here the PdfField )
+ field::addFieldAdaptor<lbm::Adaptor<LatticeModel_T>::Density> ( blocks, pdfFieldId, "DensityAdaptor" );
+ field::addFieldAdaptor<lbm::Adaptor<LatticeModel_T>::VelocityVector>( blocks, pdfFieldId, "VelocityAdaptor" );
+
+ if( parameters.getParameter<bool>( "useGui", false ) )
+ {
+ GUI gui ( timeloop, blocks, argc, argv );
+ lbm::connectToGui<LatticeModel_T> ( gui );
+ gui.run();
+ }
+ else
+ timeloop.run();
+
+ return EXIT_SUCCESS;
+}
diff --git a/tests/lbm/codegen/FluctuatingMRT.py b/tests/lbm/codegen/FluctuatingMRT.py
new file mode 100644
index 0000000000000000000000000000000000000000..b996fe43c53dbf3fff48452cc02b3b684eaedd15
--- /dev/null
+++ b/tests/lbm/codegen/FluctuatingMRT.py
@@ -0,0 +1,22 @@
+import sympy as sp
+import pystencils as ps
+from lbmpy.creationfunctions import create_lb_collision_rule
+from pystencils_walberla import CodeGeneration
+from lbmpy_walberla import generate_lattice_model
+
+with CodeGeneration() as ctx:
+ omega_shear, omega_bulk = sp.symbols("omega_shear, omega_bulk")
+ temperature = sp.symbols("temperature")
+ force_field, vel_field = ps.fields("force(3), velocity(3): [3D]", layout='fzyx')
+
+ collision_rule = create_lb_collision_rule(
+ stencil='D3Q19', compressible=True, fluctuating={
+ 'temperature' : temperature,
+ 'block_offsets' : 'walberla',
+ },
+ method='mrt3', relaxation_rates=[omega_shear, omega_bulk],
+ force_model='guo', force=force_field.center_vector,
+ optimization={'cse_global': True}
+ )
+
+ generate_lattice_model(ctx, 'FluctuatingMRT_LatticeModel', collision_rule)