diff --git a/dune/microstructure/prestrain_material_geometry.hh b/dune/microstructure/prestrain_material_geometry.hh
index f86071c976f51522f7160f07076899939a3d6d9c..092fa5474c74e9cc72e6ab4ad89121e77c67dbbf 100644
--- a/dune/microstructure/prestrain_material_geometry.hh
+++ b/dune/microstructure/prestrain_material_geometry.hh
@@ -35,7 +35,7 @@ public:
 
     FuncScalar getMu(ParameterTree parameters){
 
-    	std::string imp = parameters.get<std::string>("material_implementation", "analytical_Example");
+    	std::string imp = parameters.get<std::string>("material_prestrain_imp", "analytical_Example");
     	//std::array<std::string,5> imps({"homogen_poisson" "bilayer_poisson" "chess_poisson" "3Dchess_poisson" "vertical_bilayer_poisson"});
         
     	double phi = M_PI*parameters.get<double>("material_angle", 0.0)/180; //TODO 
@@ -389,7 +389,7 @@ public:
 	FuncScalar getLambda(ParameterTree parameters)
     {
 
-		std::string imp = parameters.get<std::string>("material_implementation", "analytical_Example");
+		std::string imp = parameters.get<std::string>("material_prestrain_imp", "analytical_Example");
 		//std::array<std::string,5> imps({"homogen_poisson" "bilayer_poisson" "chess_poisson" "3Dchess_poisson" "vertical_bilayer_poisson"});
     	//int i_imp =  parameters.get<int>("impnumber");
     	//std::string imp =  imps[i_imp];
@@ -788,7 +788,7 @@ public:
     Func2Tensor getPrestrain(ParameterTree parameters)
     {
         
-        std::string imp = parameters.get<std::string>("prestrainType", "analytical_Example");
+        std::string imp = parameters.get<std::string>("material_prestrain_imp", "analytical_Example");
         
         double width = parameters.get<double>("width", 1.0);
         double height = parameters.get<double>("height", 1.0);
diff --git a/inputs/cellsolver.parset b/inputs/cellsolver.parset
index 464c4fe6628e5a0747096b1f8bacc8a515243e7c..b92a7dd5fe1b9de210889e771bf0916f7b2070b6 100644
--- a/inputs/cellsolver.parset
+++ b/inputs/cellsolver.parset
@@ -54,8 +54,8 @@ numLevels = 3 3     # computes all levels from first to second entry
 
 
 #gamma=50.0
-#gamma=1.0
-gamma=0.01
+gamma=1.0
+#gamma=2.5
 
 #############################################
 #  Material parameters
@@ -65,8 +65,8 @@ write_materialFunctions = true   # VTK mu-functions , lambda-functions
 
 beta = 2.0    # ratio between material parameters mu1 & mu2 .... beta = 1.0 corresponds to homogeneous case 
 
-mu1 = 10.0
-lambda1 = 0.0 
+mu1=10.0
+lambda1=10.0
 #lambda1 = 20.0 
 #lambda1 = 20.0 
 #lambda1 = 5.0 
@@ -74,14 +74,13 @@ lambda1 = 0.0
 ####  material_implementation("analytical_Example") ? 
 
 
-material_implementation = "analytical_Example"
-#material_implementation ="isotropic_bilayer"
+#material_prestrain_imp= "analytical_Example"
+material_prestrain_imp ="isotropic_bilayer"
 
-#material_implementation ="matrix_material_circles"
-#material_implementation ="matrix_material_squares"
 
-#material_implementation = "circle_fiber"    #TEST
-#material_implementation = "square_fiber"    #TEST
+
+#material_prestrain_imp= "circle_fiber"    #TEST
+#material_prestrain_imp= "square_fiber"    #TEST
 
 #############################################
 #  Prestrain parameters
@@ -96,13 +95,11 @@ alpha = 5.0    # ratio between prestrain parameters rho1 & rho2
 #theta = 0.25   # volume fraction
 #theta = 0.75   # volume fraction
 
-prestrainType = "analytical_Example"
-#prestrainType = "isotropic_bilayer"
 
-------------Matrix Material --------------
 
-#prestrainType = "matrix_material_circles"
-#prestrainType = "matrix_material_squares"
+------------Matrix Material --------------
+#material_prestrain_imp ="matrix_material_circles"
+#material_prestrain_imp ="matrix_material_squares"
 
 nF = 8   #number of Fibers (in each Layer)
 #rF = 0.05  #Fiber radius    max-fiber-radius =  (width/(2.0*nF)