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QstaticConstantField.jl
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QstaticConstantField.jl
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#include(".juliarc.jl")
using JLD
using SurfaceGeometry
include("field.jl")
include("velocity.jl")
function DropEnergy(points,faces,normals,psi,H0)
vareas = zero(points)
for i in 1:size(faces,2)
v1,v2,v3 = faces[:,i]
area = norm(cross(points[:,v2]-points[:,v1],points[:,v3]-points[:,v1])) /2
vareas[v1] += area/3
vareas[v2] += area/3
vareas[v3] += area/3
end
Area = sum(vareas)
### For testing
normals = Array{Float64}(undef,size(points)...)
NormalVectors!(normals,points,faces,i->FaceVRing(i,faces))
s = 0
for xkey in 1:size(points,2)
s += psi[xkey]*dot(H0,normals[:,xkey]) * vareas[xkey]
end
Es = gammap * Area
Em = 1/8/pi * (1 - mup) * s
### Here I could also do the normalisation of it
return Es+Em
end
if con==true
error("Not implemented")
@info "Continuing from last simulation"
if !isdir(outdir) || isempty(outdir)
error("No previous simulation found")
end
# 107;Bm=25.jld ### when viewing find a point or semicolon
outfiles = readdir(outdir)
import Base.isless
function Base.isless(x::ASCIIString,y::ASCIIString)
nx = parse(Int,x[1:length(x)-4])
ny = parse(Int,y[1:length(y)-4])
return nx < ny
end
sort!(outfiles)
last = outfiles[end]
i = parse(Int,last[1:length(last)-4])
data = load("$outdir/$last")["memory"][end]
ti,points,faces = data[1],data[2],data[3]
else
@info "Starting fresh simulation"
run(`rm -rf $outdir`)
mkdir(outdir)
ti = 0
i = 1
if typeof(Bm)<:Real
Bm_ = 1:Bm
elseif typeof(Bm)<:Range
Bm_=Bm
elseif typeof(Bm)<:Array
Bm_=Bm
else
error("Type of $(typeof(Bm)) for Bm not supported.")
end
end
#
volume0 = volume(points,faces)
sc = 0.01*(3*volume0/4/pi)^(1/3) ### charectaristic scale
for Bmi in Bm_
@info "Proceding with step at Bm=$Bmi"
H0i = sqrt(Bmi*gammap/(volume(points,faces)*3/4/pi)^(1/3))
global memory = []
vn = zero(points)
global tp = 0
global ip = i
vi = 0
xi = 0
taui = 0
Ei = Inf
FluctatingEnergy = false
Equilibrium = false
### Need to rescale for volume
factor = (volume0/volume(points,faces))^(1/3)
global points = factor*points
while true
@info "Starting with step $i"
Ep = Ei
xp = xi
vp = vi
taup = taui
pointsp = copy(points)
normals = Array{Float64}(undef,size(points)...);
NormalVectors!(normals,points,faces,i->FaceVRing(i,faces))
psi,Ht,Hn = surfacefield(points,faces,normals,mup,H0i*[1,0,0])
tensorn = mup*(mup-1)/8/pi * Hn.^2 + (mup-1)/8/pi * Ht.^2
vn = InterfaceSpeedZinchenko(points,faces,tensorn,etap,gammap)
### Calculating variables for this step
#pDx = xp - xi
Ei = DropEnergy(points,faces,normals,psi,H0i*[1,0,0])
rV = volume(points,faces)/volume0
vi = maximum(abs.(vn))
xi = vi*(ti-tp)
taui = h/log(vp/vi)
if i==ip
global v0max = vi
end
println("E = $Ei")
println("$(h/log(vp/vi)*vi) < $(sc)")
println("vi/v0max = $(vi/v0max)")
push!(memory,(ti,copy(points),copy(faces),Ei,taui))
### This is more cosmetic one
if rV==NaN || abs(rV - 1)>0.5
break
end
if (i-ip)>1000
break
end
if ti!=tp && h/log(vp/vi)*vi < sc && vi/v0max<0.01 # 1000
Equilibrium = true
break
end
### Integration must be allowed only afterwards
for j in 1:size(points,2)
points[:,j] += normals[:,j]*vn[j]*h
end
global ti += h
global i += 1
# ElTopo magic
global actualdt,points,faces = improvemeshcol(pointsp,faces,points,par)
end
if FluctatingEnergy==true
@info "Step terminated since energy did fluctate"
end
save("$outdir/$i.jld","memory",memory)
if Equilibrium==false
@info "Simulation did not achieve equilibrium"
#break
end
end