Fix poisson tests for dim=3 and dim=1

test/poisson/dimension-grid-variations/poisson_1d_cg_interval.ufl

@@ -3,7 +3,7 @@ cell = "interval"
 x = SpatialCoordinate(cell)
 c = (0.5-x[0])**2
 g = exp(-1.*c)
-f = 2*(1.-c)*g
+f = 2*(1.-2*c)*g
 
 V = FiniteElement("CG", cell, 1, dirichlet_expression=g)
 u = TrialFunction(V)

test/poisson/dimension-grid-variations/poisson_1d_dg_interval.ufl

@@ -3,7 +3,7 @@ cell = "interval"
 x = SpatialCoordinate(cell)
 c = (0.5-x[0])**2
 g = exp(-1.*c)
-f = 4*(1.-c)*g
+f = 2*(1.-2*c)*g
 
 V = FiniteElement("DG", cell, 1)
 

test/poisson/dimension-grid-variations/poisson_2d_cg_quadrilateral.ufl

@@ -3,7 +3,7 @@ cell = "quadrilateral"
 x = SpatialCoordinate(cell)
 c = (0.5-x[0])**2 + (0.5-x[1])**2
 g = exp(-1.*c)
-f = 4*(1.-c)*g
+f = 2*(2.-2*c)*g
 
 V = FiniteElement("CG", cell, 1, dirichlet_expression=g)
 u = TrialFunction(V)

test/poisson/dimension-grid-variations/poisson_2d_dg_quadrilateral.ufl

@@ -3,7 +3,7 @@ cell = "quadrilateral"
 x = SpatialCoordinate(cell)
 c = (0.5-x[0])**2 + (0.5-x[1])**2
 g = exp(-1.*c)
-f = 4*(1.-c)*g
+f = 2*(2.-2*c)*g
 
 V = FiniteElement("DG", cell, 1)
 

test/poisson/dimension-grid-variations/poisson_3d_dg_hexahedron.ufl

@@ -3,7 +3,7 @@ cell = "hexahedron"
 x = SpatialCoordinate(cell)
 c = (0.5 - x[0])**2 + (0.5 - x[1])**2 + (0.5 - x[2])**2
 g = exp(-1.*c)
-f = 6*(1.-c)*g
+f = 2*(3.-2*c)*g
 
 V = FiniteElement("DG", cell, 1)
 

test/sumfact/poisson/poisson_2d.ufl

@@ -3,7 +3,7 @@ cell = "quadrilateral"
 x = SpatialCoordinate(cell)
 c = (0.5-x[0])**2 + (0.5-x[1])**2
 g = exp(-1.*c)
-f = 4*(1.-c)*g
+f = 2*(2.-2*c)*g
 
 V = FiniteElement("CG", cell, degree, dirichlet_expression=g)
 u = TrialFunction(V)

test/sumfact/poisson/poisson_3d.ufl

@@ -3,7 +3,7 @@ cell = "hexahedron"
 x = SpatialCoordinate(cell)
 c = (0.5 - x[0])**2 + (0.5 - x[1])**2 + (0.5 - x[2])**2
 g = exp(-1.*c)
-f = 6*(1.-c)*g
+f = 2*(3.-2*c)*g
 
 V = FiniteElement("CG", cell, degree, dirichlet_expression=g)
 u = TrialFunction(V)

test/sumfact/poisson/poisson_dg_2d.ufl

@@ -3,7 +3,7 @@ cell = "quadrilateral"
 x = SpatialCoordinate(cell)
 c = (0.5-x[0])**2 + (0.5-x[1])**2
 g = exp(-1.*c)
-f = 4*(1.-c)*g
+f = 2*(2.-2*c)*g
 
 V = FiniteElement("DG", cell, degree)
 

test/sumfact/poisson/poisson_dg_3d.ufl

@@ -3,7 +3,7 @@ cell = "hexahedron"
 x = SpatialCoordinate(cell)
 c = (0.5-x[0])**2 + (0.5-x[1])**2 + (0.5-x[2])**2
 g = exp(-1.*c)
-f = 6*(1.-c)*g
+f = 2*(3.-2*c)*g
 
 V = FiniteElement("DG", cell, degree)