nE = 5000
dt = 0.001
nsteps = 50
Mach = 0.3
Re = 10
HiRes = 1.
if not os.path.exists('fig'): os.mkdir('fig')
if not os.path.exists('data'): os.mkdir('data')
for iAdapt in range(10):
print 'Adapt cycle {0}'.format(iAdapt)
if iAdapt == 0:
v, t, b = initMesh(geom, nE)
solver = NavierStokes(v, t, b, Mach, Re, HiRes)
solver.integrate(1E-8, solver.freeStream())
else:
xt0, W0 = solver.mesh.xt(), solver.soln
v, t, b = adaptMesh(geom, v, t, b, nE, hessian)
solver = NavierStokes(v, t, b, Mach, Re, HiRes)
W0 = griddata(xt0, W0, solver.mesh.xt(), method='nearest')
solver.integrate(1E-8, W0)
solution = zeros([nsteps, solver.nt, 4])
hessian = zeros([solver.nt, 2, 2]) # metric for next adaptation
for istep, T in enumerate(arange(1, nsteps + 1) * dt):
solver.integrate(T)
solution[istep] = solver.soln.copy()
hessian += solver.hessian()
nE = 5000
dt = 0.001
nsteps = 50
Mach = 0.3
Re = 10
HiRes = 1.
if not os.path.exists('fig'): os.mkdir('fig')
if not os.path.exists('data'): os.mkdir('data')
for iAdapt in range(10):
print 'Adapt cycle {0}'.format(iAdapt)
if iAdapt == 0:
v, t, b = initMesh(geom, nE)
solver = NavierStokes(v, t, b, Mach, Re, HiRes)
solver.integrate(1E-8, solver.freeStream())
else:
xt0, W0 = solver.mesh.xt(), solver.soln
v, t, b = adaptMesh(geom, v, t, b, nE, hessian)
solver = NavierStokes(v, t, b, Mach, Re, HiRes)
W0 = griddata(xt0, W0, solver.mesh.xt(), method='nearest')
solver.integrate(1E-8, W0)
solution = zeros([nsteps, solver.nt, 4])
hessian = zeros([solver.nt, 2, 2]) # metric for next adaptation
for istep, T in enumerate(arange(1,nsteps+1) * dt):
solver.integrate(T)
solution[istep] = solver.soln.copy()
hessian += solver.hessian()
import os
import sys
from numpy import *
from scipy.integrate import ode
from scipy.interpolate import griddata
from mesh import *
from navierstokes import NavierStokes
nE = 5000
dt = 0.0005
nsteps = 2000
Mach = 0.3
Re = 10000
HiRes = 1.
z = load('data/navierstokesInit.npz')
geom, v, t, b, soln = z['geom'], z['v'], z['t'], z['b'], z['soln']
solver = NavierStokes(v, t, b, Mach, Re, HiRes)
solver.integrate(1E-8, soln[-1])
for istep, T in enumerate(arange(1,nsteps+1) * dt):
solver.integrate(T)
sys.stdout.write('t = {0}\n'.format(solver.time)); sys.stdout.flush()
fname = 'data/navierstokesStep{0:06d}.npz'.format(istep)
savez(fname, geom=array(geom), v=v, t=t, b=b, soln=solver.soln)
