Glassvision/JuliaFEM.jl
1
0
Fork 0
mirror of https://github.com/JuliaFEM/JuliaFEM.jl.git synced 2026-09-21 10:23:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files
test/test_potential_energy.jl
+6 -3
View File
@@ -7,7 +7,7 @@ using JuliaFEM.Test
using JuliaFEM.Core: AbstractProblem, Problem
using JuliaFEM.Core: Element, Seg2, Quad4
using JuliaFEM.Core: IntegrationPoint, solve!
using JuliaFEM.Core: IntegrationPoint, solve!, get_jacobian
import JuliaFEM.Core: get_unknown_field_name, get_unknown_field_type, get_potential_energy
@@ -34,7 +34,9 @@ function get_potential_energy(problem::Problem{HeatProblem}, element::Element{Qu
gradT = element("temperature", ip, time, Val{:grad}, variation)
Wint = (k + c*T) * 1/2*vecdot(gradT, gradT)
Wext = f*T
return Wint - Wext
W = Wint - Wext
J = get_jacobian(element, ip, time)
return W*det(J)
end
function get_potential_energy(problem::Problem{HeatProblem}, element::Element{Seg2}, ip::IntegrationPoint, time::Number; variation=nothing)
@@ -45,7 +47,8 @@ function get_potential_energy(problem::Problem{HeatProblem}, element::Element{Se
Wint = 0.0
Wext = q0*T
W = Wint - Wext
return W
J = get_jacobian(element, ip, time)
return W*norm(J)
end
function test_potential_energy_method()