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fixed problems with surface loads. det(element, ip, time) should be avoided.

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This commit is contained in:
Jukka Aho
2015-12-13 13:47:45 +02:00
parent 3242241cd4
commit ccf32d5b76
10 changed files with 102 additions and 63 deletions
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test/test_linear_elasticity.jl
+9 -9
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@@ -36,13 +36,13 @@ function test_plane_stress_linear_elasticity_with_surface_load()
free_dofs = Int64[3, 5, 6, 8]
info("initial force vector")
ass = assemble(problem, 0.0)
f = full(ass.force_vector)
K = full(ass.stiffness_matrix)
dump(reshape(f, 2, 4))
info("initial stiffness matrix")
dump(round(Int, K)[free_dofs, free_dofs])
# info("initial force vector")
# dump(reshape(f, 2, 4))
# info("initial stiffness matrix")
# dump(round(Int, K)[free_dofs, free_dofs])
u = zeros(2, 4)
u[free_dofs] = K[free_dofs, free_dofs] \ f[free_dofs]
@@ -75,7 +75,7 @@ function test_continuum_elasticity_with_surface_load()
end
element1 = Hex8([1, 2, 3, 4, 5, 6, 7, 8])
set_geometry!(element1, nodes)
element1["youngs modulus"] = 9000.0
element1["youngs modulus"] = 900.0
element1["poissons ratio"] = 0.25
element2 = Quad4([5, 6, 7, 8])
@@ -100,13 +100,13 @@ function test_continuum_elasticity_with_surface_load()
free_dofs = find(vec(free_dofs'))
info("free dofs: $free_dofs")
info("initial force vector")
ass = assemble(problem, 0.0)
f = full(ass.force_vector)
K = full(ass.stiffness_matrix)
dump(reshape(f, 3, 8))
info("initial stiffness matrix")
dump(round(Int, K)[free_dofs, free_dofs])
# info("initial force vector")
# dump(reshape(f, 3, 8))
# info("initial stiffness matrix")
# dump(round(Int, K)[free_dofs, free_dofs])
u = zeros(3, 8)
u[free_dofs] = K[free_dofs, free_dofs] \ f[free_dofs]