def BrefBrs(params, outkeys):
Inform.Display(params['nodes'], params['itera'], 'BrefBrs')
bar = progressbar.ProgressBar(widgets=[progressbar.Bar(), ' (', progressbar.ETA(), ') '])
outnames = {key: DataOut( name = outkeys[key], method = 'brs', nd = params['nodes'],
it = params['itera'], pic = params['picit']) for key in outkeys}
n = Stepsize()
for u in range(n.st):
step = params['tend']/n.step[u]
p = Particle(params['nodes'], n.step[u])
p.S, p.ST, p.SQ, p.Sx, p.QQ, p.Q, p.dt, p.wi = p.GetMatrices(params['nodes'], 0.0, step)
bar = progressbar.ProgressBar()
for i in bar(range(int(n.step[u]))):
p.SweeperNoVelUp(params['nodes'], params['itera'], p.x, p.v, p.x0, p.v0, p.x_, p.v_, 'IntegrateOff')
p.UpdateDat(params['nodes'])
if p.P.Bound(p.xend[params['nodes'] - 1, :]):
lastpnt = i
break
p.GetBrefPoint(i, params['nodes'], step, p.xend, p.vend, p.dt)
p.GetStanDev(step, outnames['deviation'].fullname, params)
p.RHSeval(params, outnames['deviation'].fullname, 'BrefBrs')
def ConvergenceBrs(params, outkeys):
Inform.Display(params['nodes'], params['itera'], 'ConvergenceBrs')
bar = progressbar.ProgressBar(widgets=[progressbar.Bar(), ' (', progressbar.ETA(), ') '])
outnames = {key: DataOut( name = outkeys[key], method = 'brs', nd = params['nodes'],
it = params['itera'], pic = params['picit']) for key in outkeys}
n = Stepsize()
omdt = np.zeros(n.st)
xpos = np.zeros([n.st, 3])
for u in range(n.st):
step = params['tend']/n.step[u]
p = Particle(params['nodes'], n.step[u])
p.S, p.ST, p.SQ, p.Sx, p.QQ, p.Q, p.dt, p.wi = p.GetMatrices(params['nodes'], 0.0, step)
bar = progressbar.ProgressBar()
for i in bar(range(int(n.step[u]))):
p.SweeperNoVelUp(params['nodes'], params['itera'], p.x, p.v, p.x0, p.v0, p.x_, p.v_, 'IntegrateOff')
p.UpdateDat(params['nodes'])
if p.P.Bound(p.xend[params['nodes'] - 1, :]):
lastpnt = i
break
xpos[u, :] = p.xend[params['nodes']-1, :]
omdt[u] = step*p.P.om_c
dat = open(outnames['convergence'].fullname, "w")
for u in range(n.st - 1):
ierror = abs(xpos[u, 0] - xpos[u+1, 0])/abs(xpos[u, 0])
dat.write('%e %.16e\n' % (omdt[u], ierror))
dat.close()
def EnergyBrs(params, outkeys, numsteps):
Inform.Display(params['nodes'], params['itera'], 'EnergyBrs')
lastpnt = 0
bar = progressbar.ProgressBar(widgets=[progressbar.Bar(), ' (', progressbar.ETA(), ') '])
outnames = {key: DataOut( name = outkeys[key], method = 'brs', nd = params['nodes'],
it = params['itera'], pic = params['picit']) for key in outkeys}
step = params['tend']/numsteps
p = Particle(params['nodes'], numsteps)
p.S, p.ST, p.SQ, p.Sx, p.QQ, p.Q, p.dt, p.wi = p.GetMatrices(params['nodes'], 0.0, step)
bar = progressbar.ProgressBar()
for i in bar(range(int(numsteps))):
p.SweeperNoVelUp(params['nodes'], params['itera'], p.x, p.v, p.x0, p.v0, p.x_, p.v_, 'IntegrateOff')
p.UpdateDat(params['nodes'])
p.crd[i, :] = p.xend[params['nodes'] - 1, :]
p.vls[i, :] = p.vend[params['nodes'] - 1, :]
p.nrg[i] = abs(p.Ekin0 - np.dot(p.vls[i,:], p.vls[i,:])/2.0)/p.Ekin0
if p.P.Bound(p.xend[params['nodes'] - 1, :]):
lastpnt = i
break
if lastpnt != 0:
datanum = lastpnt
else:
datanum = numsteps
Inform.storeEnergy(outnames['totalenergy'].fullname, datanum, p.nrg)
def ConvergenceSDC(params, outkeys, keyinteg):
Inform.Display(params['nodes'], params['itera'], 'ConvergenceSDC')
bar = progressbar.ProgressBar(widgets=[progressbar.Bar(), ' (', progressbar.ETA(), ') '])
outnames = {key: DataOut( name = outkeys[key], method = 'sdc', nd = params['nodes'],
it = params['itera'], pic = params['picit']) for key in outkeys}
n = Stepsize()
omdt = np.zeros(n.st)
xpos = np.zeros([n.st, 3])
for u in range(n.st):
step = params['tend']/n.step[u]
p = Particle(params['nodes'], n.step[u])
p.S, p.ST, p.SQ, p.Sx, p.QQ, p.Q, p.dt, p.wi = p.GetMatrices(params['nodes'], 0.0, step)
bar = progressbar.ProgressBar()
for i in bar(range(int(n.step[u]))):
p.Sweeper(params['nodes'], params['itera'], p.x, p.v, p.x0, p.v0, p.x_, p.v_, keyinteg)
p.UpdateDat(params['nodes'])
if p.P.Bound(p.xend[params['nodes'] - 1, :]):
lastpnt = i
break
xpos[u, :] = p.xend[params['nodes']-1, :]
omdt[u] = step*p.P.om_c
Inform.storePositions(outnames['positions'].fullname, n.st, xpos, omdt)
Inform.storeConverg(outnames['convergence'].fullname, n.st - 1, xpos, omdt)
def Trajectory(params, outkeys, keyinteg, numsteps):
Inform.Display(params['nodes'], params['itera'], 'Trajectory')
lastpnt = 0
bar = progressbar.ProgressBar(
widgets=[progressbar.Bar(), ' (',
progressbar.ETA(), ') '])
outnames = {
key: DataOut(name=outkeys[key],
method='sdc',
nd=params['nodes'],
it=params['itera'],
pic=params['picit'])
for key in outkeys
}
step = params['tend'] / numsteps
p = Particle(params['nodes'], numsteps)
p.S, p.ST, p.SQ, p.Sx, p.QQ, p.Q, p.dt, p.wi = p.GetMatrices(
params['nodes'], 0.0, step)
bar = progressbar.ProgressBar()
for i in bar(range(int(numsteps))):
p.Sweeper(params['nodes'], params['itera'], p.x, p.v, p.x0, p.v0,
p.x_, p.v_, keyinteg)
p.UpdateDat(params['nodes'])
p.crd[i, :] = p.xend[params['nodes'] - 1, :]
p.vls[i, :] = p.vend[params['nodes'] - 1, :]
p.mu[i] = (p.vmod**2 - (p.vmod * p.phi)**2) / p.P.Bmod(
p.xend[params['nodes'] - 1, :])
if p.P.Bound(p.xend[params['nodes'] - 1, :]):
lastpnt = i
break
if lastpnt != 0:
datanum = lastpnt
else:
datanum = numsteps
dat = open(outnames['trajectory'].fullname, "w")
for u in range(datanum):
if ((u + 1) % 100) == 0:
dat.write('%e %e %e\n' %
(p.crd[u, 0], p.crd[u, 1], p.crd[u, 2]))
dat.close()