diff --git a/AMDiS/src/DOFVector.cc b/AMDiS/src/DOFVector.cc
index 3043ab0a9415d42a1a839fa25bea123fb755e2db..243ed39f341d15f1b565741cd47c63e96b120141 100644
--- a/AMDiS/src/DOFVector.cc
+++ b/AMDiS/src/DOFVector.cc
@@ -81,26 +81,26 @@ namespace AMDiS {
     std::vector<int> numNodePreDOFs;
     std::vector<DimVec<double>*> bary;
 
-    int numNodes = 0;
-    int numDOFs = 0;
+    int nNodes = 0;
+    int nDofs = 0;
 
     for (int i = 0; i < dim + 1; i++) {
       GeoIndex geoIndex = INDEX_OF_DIM(i, dim);
-      int numPositionNodes = mesh->getGeo(geoIndex);
+      int nPositions = mesh->getGeo(geoIndex);
       int numPreDOFs = admin->getNumberOfPreDOFs(i);
-      for (int j = 0; j < numPositionNodes; j++) {
+      for (int j = 0; j < nPositions; j++) {
 	int dofs = basFcts->getNumberOfDOFs(geoIndex);
 	numNodeDOFs.push_back(dofs);
-	numDOFs += dofs;
+	nDofs += dofs;
 	numNodePreDOFs.push_back(numPreDOFs);
       }
-      numNodes += numPositionNodes;
+      nNodes += nPositions;
     }
 
-    TEST_EXIT_DBG(numDOFs == basFcts->getNumber())
+    TEST_EXIT_DBG(nDofs == basFcts->getNumber())
       ("number of dofs != number of basis functions\n");
     
-    for (int i = 0; i < numDOFs; i++)
+    for (int i = 0; i < nDofs; i++)
       bary.push_back(basFcts->getCoords(i));    
 
     double *localUh = new double[basFcts->getNumber()];
@@ -117,9 +117,9 @@ namespace AMDiS {
       getLocalVector(elInfo->getElement(), localUh);
 
       int localDOFNr = 0;
-      for (int i = 0; i < numNodes; i++) { // for all nodes
+      for (int i = 0; i < nNodes; i++) { // for all nodes
 	for (int j = 0; j < numNodeDOFs[i]; j++) { // for all dofs at this node
-	  DegreeOfFreedom dofIndex = dof[i][numNodePreDOFs[localDOFNr] + j];
+	  DegreeOfFreedom dofIndex = dof[i][numNodePreDOFs[i] + j];
 	  if (!visited[dofIndex]) {	  
 	    basFcts->evalGrdUh(*(bary[localDOFNr]), grdLambda, 
 			       localUh, &((*result)[dofIndex]));
@@ -646,8 +646,8 @@ namespace AMDiS {
     std::vector<int> numNodePreDOFs;
     std::vector<DimVec<double>*> bary;
 
-    int numNodes = 0;
-    int numDOFs = 0;
+    int nNodes = 0;
+    int nDofs = 0;
 
     for (int i = 0; i < dim + 1; i++) {
       GeoIndex geoIndex = INDEX_OF_DIM(i, dim);
@@ -656,16 +656,16 @@ namespace AMDiS {
       for (int j = 0; j < numPositionNodes; j++) {
 	int dofs = basFcts->getNumberOfDOFs(geoIndex);
 	numNodeDOFs.push_back(dofs);
-	numDOFs += dofs;
+	nDofs += dofs;
 	numNodePreDOFs.push_back(numPreDOFs);
       }
-      numNodes += numPositionNodes;
+      nNodes += numPositionNodes;
     }
 
-    TEST_EXIT_DBG(numDOFs == basFcts->getNumber())
+    TEST_EXIT_DBG(nDofs == basFcts->getNumber())
       ("number of dofs != number of basis functions\n");
     
-    for (int i = 0; i < numDOFs; i++)
+    for (int i = 0; i < nDofs; i++)
       bary.push_back(basFcts->getCoords(i));    
 
     // traverse mesh
@@ -681,9 +681,9 @@ namespace AMDiS {
       const DimVec<WorldVector<double> > &grdLambda = elInfo->getGrdLambda();
 
       int localDOFNr = 0;
-      for (int i = 0; i < numNodes; i++) { // for all nodes
+      for (int i = 0; i < nNodes; i++) { // for all nodes
 	for (int j = 0; j < numNodeDOFs[i]; j++) { // for all dofs at this node
-	  DegreeOfFreedom dofIndex = dof[i][numNodePreDOFs[localDOFNr] + j];
+	  DegreeOfFreedom dofIndex = dof[i][numNodePreDOFs[i] + j];
 
 	  if (!visited[dofIndex]) {
 	    basFcts->evalGrdUh(*(bary[localDOFNr]), grdLambda, localUh, &grd);