diff --git a/src/Geometry/geometry/geometry.hpp b/src/Geometry/geometry/geometry.hpp
index d526bde3..acc40dfd 100644
--- a/src/Geometry/geometry/geometry.hpp
+++ b/src/Geometry/geometry/geometry.hpp
@@ -229,6 +229,7 @@ public:
 			auto area = triSurface_.area().deviceVectorAll();
 			auto stress = stressWall_.deviceVectorAll();
 			auto numTri =triSurface_.size();
+			
 
 			Kokkos::parallel_for(
 				"geometry::calculateStress",
diff --git a/src/phasicFlow/repository/IOobject/IOfileHeader.cpp b/src/phasicFlow/repository/IOobject/IOfileHeader.cpp
index 980835d1..a30daa8e 100644
--- a/src/phasicFlow/repository/IOobject/IOfileHeader.cpp
+++ b/src/phasicFlow/repository/IOobject/IOfileHeader.cpp
@@ -31,7 +31,15 @@ pFlow::uniquePtr<pFlow::iFstream> pFlow::IOfileHeader::inStream()const
 
 pFlow::uniquePtr<pFlow::oFstream> pFlow::IOfileHeader::outStream()const
 {
-	return makeUnique<oFstream>(path());
+	 auto osPtr = makeUnique<oFstream>(path());
+
+	 if(osPtr && owner_)
+	 {
+	 	auto outPrecision = owner_->outFilePrecision();
+	 	osPtr->precision(outPrecision);
+	 }
+
+	 return osPtr;
 }
 
 pFlow::IOfileHeader::IOfileHeader
diff --git a/src/phasicFlow/repository/repository/repository.hpp b/src/phasicFlow/repository/repository/repository.hpp
index 251a6af4..ae9c059d 100644
--- a/src/phasicFlow/repository/repository/repository.hpp
+++ b/src/phasicFlow/repository/repository/repository.hpp
@@ -178,6 +178,18 @@ public:
 		
 		// - return number of repositories 
 		size_t numRepositories()const;
+
+		virtual
+		size_t outFilePrecision() const
+		{
+			if(owner_)
+			{
+				return owner_->outFilePrecision();
+			}else
+			{
+				return 6;	
+			}
+		}
 		
 		// - return a ref to the underlaying data in the object 
 		template<typename T>
diff --git a/src/phasicFlow/repository/systemControl/systemControl.cpp b/src/phasicFlow/repository/systemControl/systemControl.cpp
index 3f673137..e8919f11 100644
--- a/src/phasicFlow/repository/systemControl/systemControl.cpp
+++ b/src/phasicFlow/repository/systemControl/systemControl.cpp
@@ -135,6 +135,9 @@ pFlow::systemControl::systemControl
 			true
 		)
 	),
+	outFilePrecision_(
+		settingsDict_.getValOrSet("outFilePrecision", static_cast<size_t>(6))
+		),
 	Time_
 	(
 		this,
diff --git a/src/phasicFlow/repository/systemControl/systemControl.hpp b/src/phasicFlow/repository/systemControl/systemControl.hpp
index ac894ebb..7b25c436 100644
--- a/src/phasicFlow/repository/systemControl/systemControl.hpp
+++ b/src/phasicFlow/repository/systemControl/systemControl.hpp
@@ -58,12 +58,15 @@ protected:
 	// - settingsDict fileDictionary
 	dictionary& 		settingsDict_;
 
+	// - precision for writing to file 
+	size_t 			outFilePrecision_ = 6;
+
 	// - time repository
 	Time 			Time_;
 
 	// - if time control is managed externaly
 
-	bool 			externalTimeControl_ = false;
+	bool 				externalTimeControl_ = false;
 
 	// - acceleration 
 	realx3 			g_;
@@ -178,6 +181,11 @@ public:
 		Time_.setSaveTimeFolder(saveToFile, timeName);
 	}
 
+	size_t outFilePrecision() const override
+	{
+		return outFilePrecision_;
+	}
+
 };
 
 
diff --git a/src/phasicFlow/structuredData/trisurfaceStructure/multiTriSurface.cpp b/src/phasicFlow/structuredData/trisurfaceStructure/multiTriSurface.cpp
index f06d9ed9..4e3af48b 100644
--- a/src/phasicFlow/structuredData/trisurfaceStructure/multiTriSurface.cpp
+++ b/src/phasicFlow/structuredData/trisurfaceStructure/multiTriSurface.cpp
@@ -101,6 +101,7 @@ bool pFlow::multiTriSurface::addTriSurface
 
 	const auto& newPoints = tSurf.points();
 	const auto& newVertices = tSurf.vertices();
+	const auto& newAreas = tSurf.area();
 	
 	// 
 	
@@ -112,8 +113,14 @@ bool pFlow::multiTriSurface::addTriSurface
 	auto vOldSize = vertices_.size();
 	auto vNewSize =  vOldSize + newVertices.size();
 	vertices_.resize(vNewSize);
+	area_.resize(vNewSize);
+	
 	auto verVec = vertices_.deviceVectorAll();
+	auto areaVec = area_.deviceVectorAll();
+
 	auto newVerVec = newVertices.deviceVectorAll();
+	auto newArea = newAreas.deviceVectorAll();
+
 	auto maxIdx = maxIndex();
 
 	Kokkos::parallel_for(
@@ -121,6 +128,7 @@ bool pFlow::multiTriSurface::addTriSurface
 		newVertices.size(),
 		LAMBDA_HD(int32 i){
 			verVec[vOldSize+i] = newVerVec[i]+(maxIdx+1);
+			areaVec[vOldSize+i] = newArea[i];
 		}
 		);
 	Kokkos::fence();
diff --git a/src/phasicFlow/structuredData/trisurfaceStructure/stlFile.cpp b/src/phasicFlow/structuredData/trisurfaceStructure/stlFile.cpp
index 4e9f8d14..0dc3cde6 100644
--- a/src/phasicFlow/structuredData/trisurfaceStructure/stlFile.cpp
+++ b/src/phasicFlow/structuredData/trisurfaceStructure/stlFile.cpp
@@ -61,19 +61,46 @@ bool pFlow::stlFile::readSolid
 	if(!checkWordToken(is, tok, "solid")) return false;
 
 	// check if there is a name associated with solid 
+	name = "";
+	
+	
+	int32 nWords =0;
+	bool reachedFacet = false;
 	is >> tok;
-	if( badInput(is, tok) ) return false;
-	if(!tok.isWord()) return false;
 
-	if(tok.wordToken() != "facet" )
+	while (nWords < 20 )
 	{
-		name = tok.wordToken();
+		if( badInput(is, tok) ) return false;
+		//if(!tok.isWord()) return false;
+		nWords++;	
+		if(tok.isWord() && tok.wordToken() != "facet" )	
+		{
+			name += tok.wordToken();	
+		}
+		else if( tok.isNumber())
+		{
+			auto val = tok.number();
+			name += real2Word(val);
+		}
+		else if( tok.isPunctuation())
+		{
+			name += tok.pToken();
+		}
+		else if (tok.isWord() && tok.wordToken() == "facet")
+		{
+			is.putBack(tok);
+			reachedFacet = true;
+			break;	
+		}
+		else
+		{
+			return false;
+		}
+		is >> tok;
 	}
-	else
-	{
-		name = "";
-		is.putBack(tok);
-	}	
+
+	if(!reachedFacet) return false;
+		
 	vertecies.clear();
 	while(true )
 	{