diff --git a/examples/advection/advectionProblem.h b/examples/advection/advectionProblem.h
index c853d23af61deb088013c4b3b4f9313ab8f5ab7c..f72121b35a170d9262e4a0e9b503600b80f76a1f 100644
--- a/examples/advection/advectionProblem.h
+++ b/examples/advection/advectionProblem.h
@@ -29,7 +29,7 @@ class advectionProblem:
       int dimension;
       tnlString choice;
       RealType size;
-      int step = 0;
+      long step = 0;
       MeshFunctionType analyt;
       RealType speedX;
       RealType speedY;
diff --git a/examples/advection/advectionProblem_impl.h b/examples/advection/advectionProblem_impl.h
index cf4b364700324f06b1578d022e61d41ba4638059..bccdeccdfcb44928f4dc961e24981d561638af76 100644
--- a/examples/advection/advectionProblem_impl.h
+++ b/examples/advection/advectionProblem_impl.h
@@ -290,6 +290,7 @@ makeSnapshot( const RealType& time,
    FileNameBaseNumberEnding( "a-", step, 5, ".tnl", fileName );
    if( ! this->analyt.save( fileName ) )
       return false;
+cin.ignore();
    return true;
 }
 
@@ -310,6 +311,8 @@ getExplicitRHS( const RealType& time,
    typedef typename MeshType::Cell Cell;
    double count = mesh.template getEntitiesCount< Cell >();
    double inverseSquareCount = sqrt(count);
+   if (tau > 10e-9)
+      {
    if (this->choice == "square")
       {
 	   if (dimension == 1)
@@ -409,6 +412,12 @@ getExplicitRHS( const RealType& time,
 		      };
 		};
      };
+     };
+/*
+   cout << step << endl;
+   cout << tau << endl;
+   cout << this->speedX << endl;
+   cout << step * 10 * tau * this->speedX<< endl;*/
    this->bindDofs( mesh, _u );
    tnlExplicitUpdater< Mesh, MeshFunctionType, DifferentialOperator, BoundaryCondition, RightHandSide > explicitUpdater;
    MeshFunctionType u( mesh, _u ); 
diff --git a/examples/inviscid-flow/2d/eulerProblem_impl.h b/examples/inviscid-flow/2d/eulerProblem_impl.h
index 86b591b6e6cd33012942a7b7954eb2c2b3924404..60bca6d92ccf8d298dc266bf2a0f0d7d14c80520 100644
--- a/examples/inviscid-flow/2d/eulerProblem_impl.h
+++ b/examples/inviscid-flow/2d/eulerProblem_impl.h
@@ -143,7 +143,7 @@ setInitialCondition( const tnlParameterContainer& parameters,
                uRho[j*sqrt(size)+i] = rhoLd;
                uRhoVelocityX[j*sqrt(size)+i] = rhoLd * velLdX;
                uRhoVelocityY[j*sqrt(size)+i] = rhoLd * velLdY;
-               uEnergy[j*sqrt(size)+i] = eL;
+               uEnergy[j*sqrt(size)+i] = eLd;
                velocity[j*sqrt(size)+i] = sqrt(pow(velLdX,2)+pow(velLdY,2));
                velocityX[j*sqrt(size)+i] = velLdX;
                velocityY[j*sqrt(size)+i] = velLdY;
@@ -153,8 +153,8 @@ setInitialCondition( const tnlParameterContainer& parameters,
          if ((i >= x0 * sqrt(size))&&(j < x0 * sqrt(size)) )
             {
                uRho[j*sqrt(size)+i] = rhoLu;
-               uRhoVelocityX[j*sqrt(size)+i] = rhoLu * velLXu;
-               uRhoVelocityY[j*sqrt(size)+i] = rhoLu * velLYu;
+               uRhoVelocityX[j*sqrt(size)+i] = rhoLu * velLuX;
+               uRhoVelocityY[j*sqrt(size)+i] = rhoLu * velLuY;
                uEnergy[j*sqrt(size)+i] = eLu;
                velocity[j*sqrt(size)+i] = sqrt(pow(velLuX,2)+pow(velLuY,2));
                velocityX[j*sqrt(size)+i] = velLuX;
@@ -164,7 +164,7 @@ setInitialCondition( const tnlParameterContainer& parameters,
          else
          if ((i >= x0 * sqrt(size))&&(j >= x0 * sqrt(size)) )
             {
-               uRho[j*sqrt(size)+i] = rhoR;
+               uRho[j*sqrt(size)+i] = rhoRu;
                uRhoVelocityX[j*sqrt(size)+i] = rhoRu * velRuX;
                uRhoVelocityY[j*sqrt(size)+i] = rhoRu * velRuY;
                uEnergy[j*sqrt(size)+i] = eRu;