2016-09-12 03:39:33 +03:00
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# This file is a part of JuliaFEM.
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# License is MIT: see https://github.com/JuliaFEM/JuliaFEM.jl/blob/master/LICENSE.md
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2018-09-06 12:08:16 +03:00
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using JuliaFEM, Test
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meshfile = "/geometry/2d_block/BLOCK_1elem.med"
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mesh = aster_read_mesh(dirname(@__DIR__)*meshfile)
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# field problem
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block = Problem(Elasticity, "BLOCK", 2)
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block.properties.formulation = :plane_strain
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block.properties.finite_strain = false
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block.properties.geometric_stiffness = false
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block_elements = create_elements(mesh, "BLOCK")
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update!(block_elements, "youngs modulus", 288.0)
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update!(block_elements, "poissons ratio", 1/3)
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traction_elements = create_elements(mesh, "TOP")
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update!(traction_elements, "displacement traction force 2", 288.0*9/8)
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add_elements!(block, block_elements, traction_elements)
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# boundary conditions
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bc = Problem(Dirichlet, "symmetry bc 23", 2, "displacement")
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bc_sym_23_elements = create_elements(mesh, "LEFT")
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bc_sym_13_elements = create_elements(mesh, "BOTTOM")
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update!(bc_sym_23_elements, "displacement 1", 0.0)
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update!(bc_sym_13_elements, "displacement 2", 0.0)
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add_elements!(bc, bc_sym_23_elements, bc_sym_13_elements)
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analysis = Analysis(Linear, block, bc)
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run!(analysis)
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u = block("displacement", 0.0)
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u3_expected = [-0.5, 1.0]
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@debug("displacement", u, u3_expected)
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@test isapprox(u[3], u3_expected)
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