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Merge branch 'master' into kc/local_buffer

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This commit is contained in:
Jukka Aho
2019-11-26 15:29:02 +07:00
parent 2aca9f0d0c e821e07723
commit d781b00da1
15 changed files with 155 additions and 56 deletions
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src/problems_elasticity.jl
+41
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@@ -154,9 +154,39 @@ function allocate_buffer(problem::Problem{Elasticity}, ::Vector{Element{El}}) wh
nnodes = length(El)
ndofs = dim*nnodes
<<<<<<< HEAD
return Elasticity3DLocalBuffers(ndofs=ndofs, dim=dim, bi = BasisInfo(El))
end
=======
for element in elements
u = element("displacement", time)
X = element("geometry", time)
fill!(Km, 0.0)
fill!(Kg, 0.0)
fill!(f_int, 0.0)
fill!(f_ext, 0.0)
for ip in get_integration_points(element)
eval_basis!(bi, X, ip)
w = ip.weight*bi.detJ
N = bi.N
dN = bi.grad # deriatives of basis functions w.r.t. X, i.e. ∂N/∂X
grad!(bi, gradu, u) # displacement gradient ∇u
# calculate strain tensor and deformation gradient
fill!(strain, 0.0)
fill!(F, 0.0)
F[:,:] += I
if props.finite_strain
strain[:,:] = 1/2 * (gradu + gradu' + gradu'*gradu)
F[:,:] += gradu
else
strain[:,:] = 1/2 * (gradu + gradu')
end
>>>>>>> master
function reset_element!(buf::Elasticity3DLocalBuffers)
fill!(buf.Km, 0.0)
@@ -175,6 +205,7 @@ function reset_integration_point!(buf::Elasticity3DLocalBuffers)
return
end
<<<<<<< HEAD
function to_voigt!(strain_vec, strain)
strain_vec[1] = strain[1,1]
strain_vec[2] = strain[2,2]
@@ -184,6 +215,16 @@ function to_voigt!(strain_vec, strain)
strain_vec[6] = 2.0*strain[1,3]
return
end
=======
fill!(D, 0.0)
E = element("youngs modulus", ip, time)::Float64
nu = element("poissons ratio", ip, time)::Float64
la = E*nu/((1.0+nu)*(1.0-2.0*nu))
mu = E/(2.0*(1.0+nu))
D[1,1] = D[2,2] = D[3,3] = 2*mu + la
D[4,4] = D[5,5] = D[6,6] = mu
D[1,2] = D[2,1] = D[2,3] = D[3,2] = D[1,3] = D[3,1] = la
>>>>>>> master
const u = ([0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0])
const X = ([-93.7197, -93.7197, 150.883], [-91.657, -85.8251, 157.885], [-100.523, -88.8309, 157.883], [-91.6593, -88.8309, 157.883], [-92.6883, -89.7724, 154.384], [-96.0902, -87.328, 157.883], [-97.1216, -91.2753, 154.383], [-92.6895, -91.2753, 154.383], [-91.6581, -87.328, 157.883], [-96.0914, -88.8309, 157.883])