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Jukka Aho
2016-06-02 22:58:54 +03:00
parent 07812f3bc7
commit bf9b44e057
9 changed files with 253 additions and 68 deletions
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test/test_elements.jl
+23 -55
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@@ -1,61 +1,10 @@
# This file is a part of JuliaFEM.
# License is MIT: see https://github.com/JuliaFEM/JuliaFEM.jl/blob/master/LICENSE.md
module ElementTests
using JuliaFEM
using JuliaFEM.Test
using JuliaFEM.Core: AbstractElement, Element, Field, FieldSet, test_element
using JuliaFEM.Core: Tri3, Quad4
import JuliaFEM.Core: get_basis, get_dbasis, calculate_normal_tangential_coordinates!
import Base: size
""" Prototype element
This should always pass test_element if everything is ok.
"""
abstract TestElement <: AbstractElement
function get_basis(::Type{TestElement}, xi::Vector{Float64})
1/4*[
(1-xi[1])*(1-xi[2])
(1+xi[1])*(1-xi[2])
(1+xi[1])*(1+xi[2])
(1-xi[1])*(1+xi[2])]'
end
function get_dbasis(::Type{TestElement}, xi::Vector{Float64})
1/4*[
-(1-xi[2]) (1-xi[2]) (1+xi[2]) -(1+xi[2])
-(1-xi[1]) -(1+xi[1]) (1+xi[1]) (1-xi[1])]
end
function size(::Type{TestElement})
return (2, 4)
end
""" Return test element with some fields. """
function get_element()
el = Element{TestElement}([1, 2, 3, 4])
el["geometry"] = Vector{Float64}[[0.0,0.0], [1.0,0.0], [1.0,1.0], [0.0,1.0]]
el["temperature"] = (
0.0 => [0.0, 0.0, 0.0, 0.0],
1.0 => [1.0, 2.0, 3.0, 4.0])
el["displacement"] = (
0.0 => Vector{Float64}[[0.0,0.0], [0.0, 0.0], [0.0,0.0], [0.0,0.0]],
1.0 => Vector{Float64}[[0.0,0.0], [1.0,-1.0], [2.0,3.0], [0.0,0.0]])
return el
end
function test_mock_element()
test_element(TestElement)
end
function test_add_fields_to_element()
el = get_element()
info(el.fields)
end
#=
function test_interpolate()
el = get_element()
@test isapprox(el("geometry", [0.0, 0.0]), [0.5, 0.5])
@@ -89,7 +38,6 @@ function test_calculate_normal_tangential_coordinates()
R = [n t1 t2]
@test isapprox(el("normal-tangential coordinates", [0.0, 0.0], 0.0), R)
end
#test_calculate_normal_tangential_coordinates()
function test_manifold_determinant()
el = Quad4([1, 2, 3, 4])
@@ -100,6 +48,26 @@ function test_manifold_determinant()
d_expected = 0.25
@test d == d_expected
end
#test_manifold_determinant()
@testset "add new discrete constant time-variant field and interpolate it" begin
element = Element(Quad4, [1, 2, 3, 4])
element["my field"] = (0.0 => 0.0, 1.0 => 1.0)
@test isapprox(element("my field", [0.0, 0.0], 0.5), 0.5)
update!(element, "my field 2", 0.0 => 0.0, 1.0 => 1.0)
@test isapprox(element("my field 2", [0.0, 0.0], 0.5), 0.5)
end
=#
@testset "test add time dependent field to element" begin
el = Element(Seg2, [1, 2])
u1 = Vector{Float64}[[0.0, 0.0], [0.0, 0.0]]
u2 = Vector{Float64}[[1.0, 1.0], [1.0, 1.0]]
update!(el, "displacement", 0.0 => u1)
update!(el, "displacement", 1.0 => u2)
@test length(el["displacement"]) == 2
@test isapprox(el("displacement", [0.0], 0.0), [0.0, 0.0])
@test isapprox(el("displacement", [0.0], 0.5), [0.5, 0.5])
@test isapprox(el("displacement", [0.0], 1.0), [1.0, 1.0])
end