diff --git a/src/cpu/VirtualFluidsCore/BoundaryConditions/SlipBCAlgorithm.cpp b/src/cpu/VirtualFluidsCore/BoundaryConditions/SlipBCAlgorithm.cpp
index 508fcbae380490ada4d4433351975c14916e5c0d..08ad53dadd8f2446cc08f946e1f5e18ee7fea013 100644
--- a/src/cpu/VirtualFluidsCore/BoundaryConditions/SlipBCAlgorithm.cpp
+++ b/src/cpu/VirtualFluidsCore/BoundaryConditions/SlipBCAlgorithm.cpp
@@ -33,7 +33,7 @@ void SlipBCAlgorithm::applyBC()
    calcMacrosFct(f, drho, vx1, vx2, vx3);
    calcFeqFct(feq, drho, vx1, vx2, vx3);
 
-   UbTupleFloat3 normale = bcPtr->getNormalVector();
+   UbTupleDouble3 normale = bcPtr->getNormalVector();
    LBMReal amp = vx1*val<1>(normale)+vx2*val<2>(normale)+vx3*val<3>(normale);
 
    vx1 = vx1 - amp * val<1>(normale); //normale zeigt von struktur weg!
diff --git a/src/cpu/VirtualFluidsCore/Connectors/Block3DConnector.h b/src/cpu/VirtualFluidsCore/Connectors/Block3DConnector.h
index da0013de07d3d16a285cf5c375aeed18a2522c19..1e95c026ffcd72196d15d5c6af794c9c71bd8787 100644
--- a/src/cpu/VirtualFluidsCore/Connectors/Block3DConnector.h
+++ b/src/cpu/VirtualFluidsCore/Connectors/Block3DConnector.h
@@ -1,9 +1,36 @@
-//  _    ___      __              __________      _     __
-// | |  / (_)____/ /___  ______ _/ / ____/ /_  __(_)___/ /____
-// | | / / / ___/ __/ / / / __ `/ / /_  / / / / / / __  / ___/
-// | |/ / / /  / /_/ /_/ / /_/ / / __/ / / /_/ / / /_/ (__  )
-// |___/_/_/   \__/\__,_/\__,_/_/_/   /_/\__,_/_/\__,_/____/
+//=======================================================================================
+// ____          ____    __    ______     __________   __      __       __        __         
+// \    \       |    |  |  |  |   _   \  |___    ___| |  |    |  |     /  \      |  |        
+//  \    \      |    |  |  |  |  |_)   |     |  |     |  |    |  |    /    \     |  |        
+//   \    \     |    |  |  |  |   _   /      |  |     |  |    |  |   /  /\  \    |  |        
+//    \    \    |    |  |  |  |  | \  \      |  |     |   \__/   |  /  ____  \   |  |____    
+//     \    \   |    |  |__|  |__|  \__\     |__|      \________/  /__/    \__\  |_______|   
+//      \    \  |    |   ________________________________________________________________    
+//       \    \ |    |  |  ______________________________________________________________|   
+//        \    \|    |  |  |         __          __     __     __     ______      _______    
+//         \         |  |  |_____   |  |        |  |   |  |   |  |   |   _  \    /  _____)   
+//          \        |  |   _____|  |  |        |  |   |  |   |  |   |  | \  \   \_______    
+//           \       |  |  |        |  |_____   |   \_/   |   |  |   |  |_/  /    _____  |
+//            \ _____|  |__|        |________|   \_______/    |__|   |______/    (_______/   
 //
+//  This file is part of VirtualFluids. VirtualFluids 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.
+//  
+//  VirtualFluids 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 VirtualFluids (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
+//
+//! \file Block3DConnector.h
+//! \ingroup Connectors
+//! \author Konstantin Kutscher
+//=======================================================================================
+
 #ifndef BLOCK2DCONNECTOR_H
 #define BLOCK2DCONNECTOR_H
 
@@ -14,43 +41,27 @@
 
 #include <PointerDefinitions.h>
 
-
+//! \brief   Abstract class of connectors  
+//! \details Connector send and receive full distributions between two blocks in shared memory.
 class Block3DConnector
 {
-   //FETOL
-#ifdef VF_FETOL
 public:
-   enum TransmitterType{NONE=0, MPI=1, BOND=2};
-#endif
-public:
-   Block3DConnector() 
-      : sendDir(-1)
-#ifdef VF_FETOL
-      , ttype(NONE)
-#endif
-   {}
-
-   Block3DConnector(const int& sendDir) 
-      : sendDir(sendDir)
-#ifdef VF_FETOL
-      , ttype(NONE)
-#endif
-   {}
-
+   Block3DConnector() : sendDir(-1) {}
+   Block3DConnector(const int& sendDir) : sendDir(sendDir) {}
    virtual ~Block3DConnector() {}
-
+   //!Iniitializes connector
    virtual void init()=0;
-
-   //for synchronize the send- and receive-bufferlength
+   //!Synchronizes the send-buffer length
    virtual void sendTransmitterDataSize()=0;  
+   //!Synchronizes the receive-buffer length
    virtual void receiveTransmitterDataSize()=0;
 
-   //send operations (should be called in given order!!!)
+   //Send (should be called in given order!!!)
    virtual void prepareForSend()=0;
    virtual void fillSendVectors()=0;
    virtual void sendVectors()=0;
    
-   //receive operations (should be called in given order!!!)
+   //Receive (should be called in given order!!!)
    virtual void prepareForReceive()=0;
    virtual void receiveVectors()=0;
    virtual void distributeReceiveVectors()=0;
@@ -82,18 +93,8 @@ public:
    virtual void receiveVectorsX2() = 0;
    virtual void receiveVectorsX3() = 0;
 
-   //FETOL
-#ifdef VF_FETOL
-   void setTransmitterType(TransmitterType ttype) { this->ttype=ttype;}
-   TransmitterType getTransmitterType() {return ttype;}
-#endif
-
 protected:
    int  sendDir;
-   //FETOL 
-#ifdef VF_FETOL
-   TransmitterType ttype;
-#endif
 };
 
-#endif //BLOCK2DCONNECTOR_H
+#endif //BLOCK3DCONNECTOR_H
diff --git a/src/cpu/VirtualFluidsCore/Connectors/D3Q27ETFullDirectConnector.cpp b/src/cpu/VirtualFluidsCore/Connectors/D3Q27ETFullDirectConnector.cpp
index 19c5799933606653a82572da6c7f80d04f8f6a03..e47bee86ad69ad7dd9dca7f855eeda3275015729 100644
--- a/src/cpu/VirtualFluidsCore/Connectors/D3Q27ETFullDirectConnector.cpp
+++ b/src/cpu/VirtualFluidsCore/Connectors/D3Q27ETFullDirectConnector.cpp
@@ -1,3 +1,36 @@
+//=======================================================================================
+// ____          ____    __    ______     __________   __      __       __        __         
+// \    \       |    |  |  |  |   _   \  |___    ___| |  |    |  |     /  \      |  |        
+//  \    \      |    |  |  |  |  |_)   |     |  |     |  |    |  |    /    \     |  |        
+//   \    \     |    |  |  |  |   _   /      |  |     |  |    |  |   /  /\  \    |  |        
+//    \    \    |    |  |  |  |  | \  \      |  |     |   \__/   |  /  ____  \   |  |____    
+//     \    \   |    |  |__|  |__|  \__\     |__|      \________/  /__/    \__\  |_______|   
+//      \    \  |    |   ________________________________________________________________    
+//       \    \ |    |  |  ______________________________________________________________|   
+//        \    \|    |  |  |         __          __     __     __     ______      _______    
+//         \         |  |  |_____   |  |        |  |   |  |   |  |   |   _  \    /  _____)   
+//          \        |  |   _____|  |  |        |  |   |  |   |  |   |  | \  \   \_______    
+//           \       |  |  |        |  |_____   |   \_/   |   |  |   |  |_/  /    _____  |
+//            \ _____|  |__|        |________|   \_______/    |__|   |______/    (_______/   
+//
+//  This file is part of VirtualFluids. VirtualFluids 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.
+//  
+//  VirtualFluids 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 VirtualFluids (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
+//
+//! \file D3Q27ETFullDirectConnector.cpp
+//! \ingroup Connectors
+//! \author Konstantin Kutscher
+//=======================================================================================
+
 #include "D3Q27ETFullDirectConnector.h"
 #include "LBMKernel.h"
 #include "D3Q27EsoTwist3DSplittedVector.h"
@@ -18,19 +51,19 @@ void D3Q27ETFullDirectConnector::init()
    maxX2 = (int)this->from.lock()->getKernel()->getDataSet()->getFdistributions()->getNX2() - 1;
    maxX3 = (int)this->from.lock()->getKernel()->getDataSet()->getFdistributions()->getNX3() - 1;
 
-   fFrom = dynamicPointerCast<EsoTwist3D>(from.lock()->getKernel()->getDataSet()->getFdistributions());
-   fTo = dynamicPointerCast<EsoTwist3D>(to.lock()->getKernel()->getDataSet()->getFdistributions());
+   fFrom = dynamic_pointer_cast<EsoTwist3D>(from.lock()->getKernel()->getDataSet()->getFdistributions());
+   fTo = dynamic_pointer_cast<EsoTwist3D>(to.lock()->getKernel()->getDataSet()->getFdistributions());
 }
 //////////////////////////////////////////////////////////////////////////
 void D3Q27ETFullDirectConnector::sendVectors()
 {
-   localDistributionsFrom = dynamicPointerCast<D3Q27EsoTwist3DSplittedVector>(this->fFrom)->getLocalDistributions();
-   nonLocalDistributionsFrom = dynamicPointerCast<D3Q27EsoTwist3DSplittedVector>(this->fFrom)->getNonLocalDistributions();
-   zeroDistributionsFrom = dynamicPointerCast<D3Q27EsoTwist3DSplittedVector>(this->fFrom)->getZeroDistributions();
+   localDistributionsFrom = dynamic_pointer_cast<D3Q27EsoTwist3DSplittedVector>(this->fFrom)->getLocalDistributions();
+   nonLocalDistributionsFrom = dynamic_pointer_cast<D3Q27EsoTwist3DSplittedVector>(this->fFrom)->getNonLocalDistributions();
+   zeroDistributionsFrom = dynamic_pointer_cast<D3Q27EsoTwist3DSplittedVector>(this->fFrom)->getZeroDistributions();
 
-   localDistributionsTo = dynamicPointerCast<D3Q27EsoTwist3DSplittedVector>(this->fTo)->getLocalDistributions();
-   nonLocalDistributionsTo = dynamicPointerCast<D3Q27EsoTwist3DSplittedVector>(this->fTo)->getNonLocalDistributions();
-   zeroDistributionsTo = dynamicPointerCast<D3Q27EsoTwist3DSplittedVector>(this->fTo)->getZeroDistributions();
+   localDistributionsTo = dynamic_pointer_cast<D3Q27EsoTwist3DSplittedVector>(this->fTo)->getLocalDistributions();
+   nonLocalDistributionsTo = dynamic_pointer_cast<D3Q27EsoTwist3DSplittedVector>(this->fTo)->getNonLocalDistributions();
+   zeroDistributionsTo = dynamic_pointer_cast<D3Q27EsoTwist3DSplittedVector>(this->fTo)->getZeroDistributions();
 
    //EAST
    if (sendDir == D3Q27System::E)
diff --git a/src/cpu/VirtualFluidsCore/Connectors/D3Q27ETFullDirectConnector.h b/src/cpu/VirtualFluidsCore/Connectors/D3Q27ETFullDirectConnector.h
index 654c7da9b7a54810b5aa5850dd2f4fd1a73ab927..1d290effc0f93348a9e4e7feaedf1e949b61cad2 100644
--- a/src/cpu/VirtualFluidsCore/Connectors/D3Q27ETFullDirectConnector.h
+++ b/src/cpu/VirtualFluidsCore/Connectors/D3Q27ETFullDirectConnector.h
@@ -1,10 +1,36 @@
-/**
-* @file D3Q27ETFullDirectConnector.h
-* @brief Connector send and receive full distribution in shared memory
-*
-* @author Konstantin Kutscher
-* @date 28.04.2016
-*/
+//=======================================================================================
+// ____          ____    __    ______     __________   __      __       __        __         
+// \    \       |    |  |  |  |   _   \  |___    ___| |  |    |  |     /  \      |  |        
+//  \    \      |    |  |  |  |  |_)   |     |  |     |  |    |  |    /    \     |  |        
+//   \    \     |    |  |  |  |   _   /      |  |     |  |    |  |   /  /\  \    |  |        
+//    \    \    |    |  |  |  |  | \  \      |  |     |   \__/   |  /  ____  \   |  |____    
+//     \    \   |    |  |__|  |__|  \__\     |__|      \________/  /__/    \__\  |_______|   
+//      \    \  |    |   ________________________________________________________________    
+//       \    \ |    |  |  ______________________________________________________________|   
+//        \    \|    |  |  |         __          __     __     __     ______      _______    
+//         \         |  |  |_____   |  |        |  |   |  |   |  |   |   _  \    /  _____)   
+//          \        |  |   _____|  |  |        |  |   |  |   |  |   |  | \  \   \_______    
+//           \       |  |  |        |  |_____   |   \_/   |   |  |   |  |_/  /    _____  |
+//            \ _____|  |__|        |________|   \_______/    |__|   |______/    (_______/   
+//
+//  This file is part of VirtualFluids. VirtualFluids 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.
+//  
+//  VirtualFluids 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 VirtualFluids (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
+//
+//! \file D3Q27ETFullDirectConnector.h
+//! \ingroup Connectors
+//! \author Konstantin Kutscher
+//=======================================================================================
+
 #ifndef D3Q27ETFULLDIRECTCONNECTOR_H
 #define D3Q27ETFULLDIRECTCONNECTOR_H
 
@@ -17,8 +43,6 @@
 
 //! \brief   Exchange data between blocks. 
 //! \details Connector send and receive full distributions between two blocks in shared memory.
-//! \author  Konstantin Kutscher
-
 class D3Q27ETFullDirectConnector : public LocalBlock3DConnector
 {
 public:
diff --git a/src/cpu/VirtualFluidsCore/Connectors/LocalBlock3DConnector.h b/src/cpu/VirtualFluidsCore/Connectors/LocalBlock3DConnector.h
index cab9a684e68fd13d877818da8378a156a323cf02..efa1ce73e772e848928fcd322371d4ffcb1795f8 100644
--- a/src/cpu/VirtualFluidsCore/Connectors/LocalBlock3DConnector.h
+++ b/src/cpu/VirtualFluidsCore/Connectors/LocalBlock3DConnector.h
@@ -1,3 +1,36 @@
+//=======================================================================================
+// ____          ____    __    ______     __________   __      __       __        __         
+// \    \       |    |  |  |  |   _   \  |___    ___| |  |    |  |     /  \      |  |        
+//  \    \      |    |  |  |  |  |_)   |     |  |     |  |    |  |    /    \     |  |        
+//   \    \     |    |  |  |  |   _   /      |  |     |  |    |  |   /  /\  \    |  |        
+//    \    \    |    |  |  |  |  | \  \      |  |     |   \__/   |  /  ____  \   |  |____    
+//     \    \   |    |  |__|  |__|  \__\     |__|      \________/  /__/    \__\  |_______|   
+//      \    \  |    |   ________________________________________________________________    
+//       \    \ |    |  |  ______________________________________________________________|   
+//        \    \|    |  |  |         __          __     __     __     ______      _______    
+//         \         |  |  |_____   |  |        |  |   |  |   |  |   |   _  \    /  _____)   
+//          \        |  |   _____|  |  |        |  |   |  |   |  |   |  | \  \   \_______    
+//           \       |  |  |        |  |_____   |   \_/   |   |  |   |  |_/  /    _____  |
+//            \ _____|  |__|        |________|   \_______/    |__|   |______/    (_______/   
+//
+//  This file is part of VirtualFluids. VirtualFluids 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.
+//  
+//  VirtualFluids 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 VirtualFluids (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
+//
+//! \file LocalBlock3DConnector.h
+//! \ingroup Connectors
+//! \author Konstantin Kutscher
+//=======================================================================================
+
 #ifndef LocalBlock3DConnector_H
 #define LocalBlock3DConnector_H
 
@@ -5,6 +38,7 @@
 #include "Block3D.h"
 #include "PointerDefinitions.h"
 
+//! A class provides an interface for connectors in shared memory
 class LocalBlock3DConnector : public Block3DConnector
 {
 public: