diff --git a/apps/gpu/LBM/MusselOyster/MusselOyster.cpp b/apps/gpu/LBM/MusselOyster/MusselOyster.cpp
index 0953c799cd9b1c7ce2edf2353417f115fc8b2899..e7db282b399117db20c532aed0ed5ca7708e638d 100644
--- a/apps/gpu/LBM/MusselOyster/MusselOyster.cpp
+++ b/apps/gpu/LBM/MusselOyster/MusselOyster.cpp
@@ -114,33 +114,46 @@ void multipleLevel(const std::string& configPath)
 
     ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
     ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-        std::string bivalveType = "OYSTER"; // "MUSSEL" "OYSTER"    
+    std::string bivalveType = "OYSTER"; // "MUSSEL" "OYSTER"
 
-    
-      if (useGridGenerator) {
+    real dx = 0.5;
+    real vx = (real)0.005;
+    real Re = 50;
 
-        real dx = 0.5;
-        real vx = (real) 0.005;
-        real Re = 50.0;
+    para->setVelocity(vx);
+    para->setViscosity((vx * dx) / Re);
+    para->setVelocityRatio(1.0);
 
-        para->setVelocity(vx);
-        para->setViscosity((vx * dx) / Re);
-        para->setVelocityRatio(1.0);
+    para->setTOut(50000);
+    para->setTEnd(200000);
 
-        para->setTOut(50000);
-        para->setTEnd(200000);
+    para->setCalcDragLift(false);
+    para->setUseWale(false);
 
-        para->setCalcDragLift(false);
-        para->setUseWale(false);
+    // para->setMainKernel("CumulantK15Comp");
+    para->setMainKernel("CumulantK17CompChim");
 
-        // para->setMainKernel("CumulantK15Comp");
-        para->setMainKernel("CumulantK17CompChim");
+    para->setDevices(std::vector<uint>{ (uint)0 });
+
+    para->setOutputPath(path);
+    para->setOutputPrefix(simulationName);
+
+    para->setFName(para->getOutputPath() + "/" + para->getOutputPrefix());
+
+    para->setPrintFiles(true);
+
+    para->setMaxLevel(2);
+
+    //////////////////////////////////////////////////////////////////////////
+
+
+      if (useGridGenerator) {
+
+        TriangularMesh* bivalveSTL =
+              TriangularMesh::make("C:/Users/Master/Documents/MasterAnna/STL/" + bivalveType + ".stl");
+        TriangularMesh* bivalveRef_1_STL =
+              TriangularMesh::make("C:/Users/Master/Documents/MasterAnna/STL/" + bivalveType + ".stl");
 
-        TriangularMesh *bivalveSTL =
-            TriangularMesh::make("C:/Users/Master/Documents/MasterAnna/STL/" + bivalveType + ".stl");
-        TriangularMesh *bivalveRef_1_STL =
-            TriangularMesh::make("C:/Users/Master/Documents/MasterAnna/STL/" + bivalveType + ".stl");
-        
         // bounding box mussel:
         // x = -18, 58
         // y = -17, 18
@@ -182,18 +195,6 @@ void multipleLevel(const std::string& configPath)
         SPtr<Grid> grid = gridBuilder->getGrid(gridBuilder->getNumberOfLevels() - 1);
         //////////////////////////////////////////////////////////////////////////
 
-        para->setDevices(std::vector<uint>{ (uint)0 });
-
-        para->setOutputPath(path);
-        para->setOutputPrefix(simulationName);
-
-        para->setFName(para->getOutputPath() + "/" + para->getOutputPrefix());
-
-        para->setPrintFiles(true);
-
-        para->setMaxLevel(1);
-
-        //////////////////////////////////////////////////////////////////////////
 
 
         // gridBuilder->writeGridsToVtk("E:/temp/MusselOyster/grid/");
diff --git a/src/gpu/VirtualFluids_GPU/LBM/Simulation.cpp b/src/gpu/VirtualFluids_GPU/LBM/Simulation.cpp
index 6f468507949a62933c278b1c17801ea25536b07f..f61bd5571f60b5feb771f351a7877cb15a5842cb 100644
--- a/src/gpu/VirtualFluids_GPU/LBM/Simulation.cpp
+++ b/src/gpu/VirtualFluids_GPU/LBM/Simulation.cpp
@@ -358,8 +358,8 @@ void Simulation::init(SPtr<Parameter> para, SPtr<GridProvider> gridProvider, std
    output << "used Device Memory: " << cudaManager->getMemsizeGPU() / 1000000.0 << " MB\n";
    //////////////////////////////////////////////////////////////////////////
 
-   InterfaceDebugWriter::writeInterfaceLinesDebugCF(para.get());
-   InterfaceDebugWriter::writeInterfaceLinesDebugFC(para.get());
+   //InterfaceDebugWriter::writeInterfaceLinesDebugCF(para.get());
+   //InterfaceDebugWriter::writeInterfaceLinesDebugFC(para.get());
 }
 
 void Simulation::bulk()