mirror of
https://github.com/JuliaFEM/JuliaFEM.jl.git
synced 2026-08-15 18:14:08 +00:00
Tony Kelman
26 lines
1003 B
Julia
26 lines
1003 B
Julia
# This file is a part of JuliaFEM.
|
|
# License is MIT: see https://github.com/JuliaFEM/JuliaFEM.jl/blob/master/LICENSE.md
|
|
|
|
using JuliaFEM
|
|
using JuliaFEM.Preprocess
|
|
using JuliaFEM.Postprocess
|
|
using JuliaFEM.Testing
|
|
|
|
@testset "zero eigenmode model" begin
|
|
meshfile = @__DIR__() * "/testdata/primitives.med"
|
|
mesh = aster_read_mesh(meshfile, "TETRA_TET10_1")
|
|
model = Problem(mesh, Elasticity, "TET", 3)
|
|
update!(model.elements, "youngs modulus", 10.0)
|
|
update!(model.elements, "poissons ratio", 1.0/3.0)
|
|
update!(model.elements, "density", 10.0)
|
|
solver = Solver(Modal)
|
|
solver.properties.nev = 30
|
|
push!(solver, model)
|
|
solver()
|
|
freqs = solver.properties.eigvals
|
|
info("freqs: $freqs")
|
|
freqs_expected = [0.0,0.0,0.0,0.0,0.0,0.0,5.05743,5.05743,7.30374,9.55885,9.55885,18.3471,18.3471,19.124,37.008,37.008,47.25,59.8844,63.0,65.3975,65.3975,88.1879,108.854,108.854,131.702,131.702,221.374,301.326,301.326]
|
|
@test isapprox(freqs, freqs_expected; atol=1.0e-3)
|
|
end
|
|
|