| 1 |
######################################################## |
| 2 |
# |
| 3 |
# Copyright (c) 2003-2009 by University of Queensland |
| 4 |
# Earth Systems Science Computational Center (ESSCC) |
| 5 |
# http://www.uq.edu.au/esscc |
| 6 |
# |
| 7 |
# Primary Business: Queensland, Australia |
| 8 |
# Licensed under the Open Software License version 3.0 |
| 9 |
# http://www.opensource.org/licenses/osl-3.0.php |
| 10 |
# |
| 11 |
######################################################## |
| 12 |
""" |
| 13 |
this is a convection simulation over a domain [0,L] X [0,L] x [0,H] |
| 14 |
|
| 15 |
It is solved in dimensionless form |
| 16 |
|
| 17 |
""" |
| 18 |
__copyright__="""Copyright (c) 2003-2009 by University of Queensland |
| 19 |
Earth Systems Science Computational Center (ESSCC) |
| 20 |
http://www.uq.edu.au/esscc |
| 21 |
Primary Business: Queensland, Australia""" |
| 22 |
__license__="""Licensed under the Open Software License version 3.0 |
| 23 |
http://www.opensource.org/licenses/osl-3.0.php""" |
| 24 |
__url__="https://launchpad.net/escript-finley" |
| 25 |
|
| 26 |
from esys.escript import * |
| 27 |
from esys.escript.models import TemperatureCartesian, IncompressibleIsotropicFlowCartesian, Mountains, SubSteppingException |
| 28 |
from esys.finley import Rectangle, Brick, LoadMesh |
| 29 |
from optparse import OptionParser |
| 30 |
from math import pi, ceil |
| 31 |
import sys |
| 32 |
import time |
| 33 |
|
| 34 |
# ======================= Default Values ================================================== |
| 35 |
DIM=2 # spatial dimension |
| 36 |
H=1. # height |
| 37 |
L=2*H # length |
| 38 |
NE=30 # number of elements in H-direction. |
| 39 |
PERT=0.15 # initial temperature perturbation |
| 40 |
DT=1.e-4 # initial time step size |
| 41 |
CREATE_TOPOGRAPHY=False # create topgraphy |
| 42 |
DT_MIN=1.e-10 # minumum time step size |
| 43 |
T_END=10. # end time |
| 44 |
|
| 45 |
RHO_0=100. # surface density (lf ~ RHO_0**2) |
| 46 |
G=1. # gravitational constant |
| 47 |
ALPHA_0=0.1 # thermal expansion coefficient (Ra ~ RHO_0**2 * ALPHA_0 = lf * ALPHA_0) |
| 48 |
T_0=0. # surface temperature |
| 49 |
T_1=1. # bottom temperature |
| 50 |
C_P=1 # heat capacity |
| 51 |
K=1. # thermal conductivity |
| 52 |
CHI=0. # Taylor Quinny coefficient |
| 53 |
MUE=None # elastic shear modulus |
| 54 |
TAU_Y=5*10**(2.5) # Drucker-Prager cohesion factor |
| 55 |
BETA=0 # Drucker-Prager friction factor |
| 56 |
TAU_0=2*10**(2.5) # transition stress |
| 57 |
N=3 # power for power law |
| 58 |
|
| 59 |
E=23*0 # activation energy |
| 60 |
V=18*0 # activation volume |
| 61 |
T_OFFSET=1 # temperature offset on surface (dimensionless formulation T_OFFSET=1 otherwise =0) |
| 62 |
R=1 # gas constant |
| 63 |
ETA_N0=1. # viscosity at surface |
| 64 |
|
| 65 |
TOPO_SMOOTH=1e-5 # smoothing factor of extrapolation of surface velocity to interior |
| 66 |
|
| 67 |
T_TOL=1.e-4 # tolerance temperature transport |
| 68 |
FLOW_TOL=1.e-3 # tolerance for inconcompressible flow solver |
| 69 |
TOPO_TOL=0.1 # tolerance for update of topography |
| 70 |
DIAGNOSTICS_FN="diagnostics.csv" |
| 71 |
VERBOSE=True |
| 72 |
DT_VIS=T_END/500 # time distane between two visulaization files |
| 73 |
DN_VIS=5 # maximum counter increment between two visulaization files |
| 74 |
VIS_DIR="results" # name of the director for vis files |
| 75 |
DN_RESTART=1000000 # create a restart file every DN_RESTART step |
| 76 |
PREFIX_RESTART="restart" # name prefix for restart directories |
| 77 |
TOPO_ITER_MAX=20 # maximum number of iteration steps to update topography |
| 78 |
# ========================================================================================= |
| 79 |
|
| 80 |
def removeRestartDirectory(dir_name): |
| 81 |
if dom.onMasterProcessor() and os.path.isdir(dir_name): |
| 82 |
for root, dirs, files in os.walk(dir_name, topdown=False): |
| 83 |
for name in files: os.remove(os.path.join(root,name)) |
| 84 |
for name in dirs: os.remove(os.path.join(root,name)) |
| 85 |
os.rmdir(dir_name) |
| 86 |
print "Restart files %s have been removed."%dir_name |
| 87 |
dom.MPIBarrier() |
| 88 |
|
| 89 |
# ========================================================================================= |
| 90 |
# |
| 91 |
# read options: |
| 92 |
# |
| 93 |
parser = OptionParser(usage="%prog [Options]") |
| 94 |
parser.add_option("-r", "--restart", dest="restart", help="restart from latest directory. It will be deleted after a new directory has been created.", default=False, action="store_true") |
| 95 |
parser.add_option("-d", "--dir", dest="restart_dir", help="restart from directory DIR. The directory will not be deleted but new restart directories are created.",metavar="DIR", default=None) |
| 96 |
parser.add_option("-p", "--param", dest="param", help="name of file to be imported ",metavar="PARAM", default=None) |
| 97 |
(options, args) = parser.parse_args() |
| 98 |
restart=options.restart or (options.restart_dir !=None) |
| 99 |
# |
| 100 |
# overwrite the default options: |
| 101 |
# |
| 102 |
print "<%s> Execution started."%time.asctime() |
| 103 |
if options.param !=None: |
| 104 |
exec(open(options.param,'r')) |
| 105 |
print "Parameters are imported from file ",options.param |
| 106 |
|
| 107 |
print "Input Parameters:" |
| 108 |
print "\tDimension DIM\t\t=\t",DIM |
| 109 |
print "\tHeight H\t\t\t=\t",H |
| 110 |
print "\tLength L\t\t\t=\t",L |
| 111 |
print "\telements in H NE\t\t=\t",NE |
| 112 |
print "\ttemperature perturbation PERT\t\t=\t",PERT |
| 113 |
print "\tinitial time step size DT\t\t=\t",DT |
| 114 |
print "\tminimum time step size DT_MIN\t\t=\t",DT_MIN |
| 115 |
print "\tend time T_END\t\t=\t",T_END |
| 116 |
print "\tcreate topgraphy CREATE_TOPOGRAPHY\t=\t",CREATE_TOPOGRAPHY |
| 117 |
print "\tsurface density RHO_0\t\t=\t",RHO_0 |
| 118 |
print "\tgravitational constant G\t\t\t=\t",G |
| 119 |
print "\tthermal expansion coefficient ALPHA_0\t\t=\t",ALPHA_0 |
| 120 |
print "\tsurface temperature T_0\t\t=\t",T_0 |
| 121 |
print "\tbottom temperature T_1\t\t=\t",T_1 |
| 122 |
print "\theat capacity C_P\t\t=\t",C_P |
| 123 |
print "\tthermal conductivity K\t\t\t=\t",K |
| 124 |
print "\tTaylor-Qinny coefficient CHI\t\t=\t",CHI |
| 125 |
print "\telastic shear modulus MUE\t\t=\t",MUE |
| 126 |
print "\tcohesion factor TAU_Y\t\t=\t",TAU_Y |
| 127 |
print "\tfriction factor BETA\t\t=\t",BETA |
| 128 |
print "\ttransition stress TAU_0\t\t=\t",TAU_0 |
| 129 |
print "\tpower for power law N\t\t\t=\t",N |
| 130 |
print "\tviscosity at surface ETA_N0\t\t=\t",ETA_N0 |
| 131 |
print "\tactivation energy E\t\t\t=\t",E |
| 132 |
print "\tactivation volume V\t\t\t=\t",V |
| 133 |
print "\ttemperature offset T_OFFSET\t\t=\t",T_OFFSET |
| 134 |
print "\tgas constant R\t\t\t=\t",R |
| 135 |
print "\ttopography smoothing TOPO_SMOOTH\t=\t",TOPO_SMOOTH |
| 136 |
|
| 137 |
print "\ttolerance for topography TOPO_TOL\t\t=\t",TOPO_TOL |
| 138 |
print "\ttransport tolerance T_TOL\t\t=\t",T_TOL |
| 139 |
print "\tflow tolerance FLOW_TOL\t\t=\t",FLOW_TOL |
| 140 |
print "\tfile for diagnostics DIAGNOSTICS_FN\t=\t",DIAGNOSTICS_FN |
| 141 |
print "\tmin. time incr. for vis file DT_VIS\t\t=\t",DT_VIS |
| 142 |
print "\tmin. count incr. for vis file DN_VIS\t\t=\t",DN_VIS |
| 143 |
print "\tvisualization dir VIS_DIR\t\t=\t",VIS_DIR |
| 144 |
print "\trestart counter incerement DN_RESTART\t=\t",DN_RESTART |
| 145 |
print "\tprefix for restart dirs PREFIX_RESTART\t=\t",PREFIX_RESTART |
| 146 |
print "\tverbosity VERBOSE\t\t=\t",VERBOSE |
| 147 |
|
| 148 |
print "Control Parameters:" |
| 149 |
t_REF=RHO_0*C_P*H**2/K |
| 150 |
P_REF=ETA_N0/t_REF |
| 151 |
Ar=E/R/(T_1-T_0) |
| 152 |
if E>0 and V>0: |
| 153 |
V_REF=P_REF*V/E |
| 154 |
else: |
| 155 |
V_REF=0 |
| 156 |
T_OFFSET_REF=T_OFFSET/(T_1-T_0) |
| 157 |
Ra=RHO_0*G*H*(T_1-T_0)*ALPHA_0/P_REF |
| 158 |
Di=ALPHA_0*G*H/C_P |
| 159 |
CHI_REF=CHI*K*ETA_N0/(RHO_0**2*C_P**2*(T_1-T_0)*H**2) |
| 160 |
if CREATE_TOPOGRAPHY: |
| 161 |
SURFACE_LOAD=RHO_0*G*H/P_REF |
| 162 |
else: |
| 163 |
SURFACE_LOAD=0. |
| 164 |
if MUE == None: |
| 165 |
De=None |
| 166 |
else: |
| 167 |
De=ETA_N0/MUE/t_REF |
| 168 |
ETA_BOT=exp(Ar*((1.+V_REF)/(T_OFFSET_REF+1)-1./T_OFFSET_REF))*ETA_N0 |
| 169 |
print "\ttotal #element \t\t\t=\t",NE**DIM*int(L/H)**(DIM-1) |
| 170 |
print "\treference time t_REF\t\t=\t%e"%t_REF |
| 171 |
print "\treference pressure P_REF\t\t=\t%e"%P_REF |
| 172 |
print "\treference Taylor-Qinny CHI_REF\t\t=\t%e"%CHI_REF |
| 173 |
print "\tDissipation number DI\t\t=\t%e"%Di |
| 174 |
print "\tRayleigh number surface Ra\t\t=\t%e"%Ra |
| 175 |
if MUE == None: |
| 176 |
print "\tDebora number surface De\t\t=\t",None |
| 177 |
else: |
| 178 |
print "\tDebora number surface De\t\t=\t%e"%De |
| 179 |
|
| 180 |
print "\tBottom viscosity \t\t\t=\t%e"%ETA_BOT |
| 181 |
print "\tRayleigh number bottom \t\t\t=\t%e"%(RHO_0*G*H*(T_1-T_0)*ALPHA_0*t_REF/ETA_BOT) |
| 182 |
if MUE == None: |
| 183 |
print "\tDebora number bottom \t\t\t=\t",None |
| 184 |
else: |
| 185 |
print "\tDebora number bottom \t\t\t=\t%d"%(ETA_BOT/MUE/t_REF) |
| 186 |
print "\tArrhenius Ar\t\t=\t%e"%Ar |
| 187 |
print "\tsurface load factor SURFACE_LOAD\t=\t%e"%SURFACE_LOAD |
| 188 |
print "\tscaled activation volume V_REF\t\t=\t%e"%V_REF |
| 189 |
# some control variables (will be overwritten in case of a restart: |
| 190 |
# |
| 191 |
t=0 # time stamp |
| 192 |
n=0 # time step counter |
| 193 |
dt=DT # current time step size |
| 194 |
t_vis=0 |
| 195 |
n_vis=0 |
| 196 |
counter_vis=0 |
| 197 |
mkDir(VIS_DIR) |
| 198 |
#========================= |
| 199 |
# |
| 200 |
# set up domain or read restart file |
| 201 |
# |
| 202 |
if restart: |
| 203 |
if options.restart_dir ==None: |
| 204 |
restart_files=[] |
| 205 |
for f in os.listdir("."): |
| 206 |
if f.startswith(PREFIX_RESTART): restart_files.append(f) |
| 207 |
if len(restart_files)==0: |
| 208 |
raise IOError,"no restart files" |
| 209 |
restart_files.sort() |
| 210 |
f=restart_files[-1] |
| 211 |
else: |
| 212 |
f=options.restart_dir |
| 213 |
try: |
| 214 |
dom=LoadMesh("mesh.nc") |
| 215 |
except: |
| 216 |
pass |
| 217 |
FF=open(os.path.join(f,"stamp.%d"%dom.getMPIRank()),"r").read().split(";") |
| 218 |
t=float(FF[0]) # time stamp |
| 219 |
n=int(FF[3]) # time step counter |
| 220 |
t_vis=float(FF[1]) # |
| 221 |
n_vis=int(FF[2]) |
| 222 |
counter_vis=int(FF[4]) |
| 223 |
dt=float(FF[5]) |
| 224 |
stress=load(os.path.join(f,"stress.nc"),dom) |
| 225 |
v=load(os.path.join(f,"v.nc"),dom) |
| 226 |
p=load(os.path.join(f,"p.nc"),dom) |
| 227 |
T=load(os.path.join(f,"T.nc"),dom) |
| 228 |
if CREATE_TOPOGRAPHY: |
| 229 |
topography=load(os.path.join(f,"topo.nc"),dom) |
| 230 |
|
| 231 |
diagnostics_file=FileWriter(DIAGNOSTICS_FN,append=True) |
| 232 |
print "<%s> Restart from file %s at time step %s (t=%s) completed."%(time.asctime(),f,t,n) |
| 233 |
else: |
| 234 |
if DIM==2: |
| 235 |
dom=Rectangle(int(ceil(L*NE/H)),NE,l0=L/H,l1=1,order=-1,optimize=True) |
| 236 |
else: |
| 237 |
dom=Brick(int(ceil(L*NE/H)),int(ceil(L*NE/H)),NE,l0=L/H,l1=L/H,l2=1,order=-1,optimize=True) |
| 238 |
try: |
| 239 |
dom.dump("mesh.nc") |
| 240 |
except: |
| 241 |
pass |
| 242 |
x=dom.getX() |
| 243 |
T=Scalar(1,Solution(dom)) |
| 244 |
for d in range(DIM): |
| 245 |
if d == DIM-1: |
| 246 |
T*=sin(x[d]/H*pi) |
| 247 |
else: |
| 248 |
T*=cos(x[d]/L*pi) |
| 249 |
|
| 250 |
T=(1.-x[DIM-1])+PERT*T |
| 251 |
v=Vector(0,Solution(dom)) |
| 252 |
stress=Tensor(0,Function(dom)) |
| 253 |
x2=ReducedSolution(dom).getX() |
| 254 |
p=Ra*(x2[DIM-1]-0.5*x2[DIM-1]**2-0.5) |
| 255 |
|
| 256 |
if CREATE_TOPOGRAPHY: |
| 257 |
topography=Scalar(0.,Solution(dom)) |
| 258 |
diagnostics_file=FileWriter(DIAGNOSTICS_FN,append=False) |
| 259 |
diagnostics_file.write("Ra = %e Lambda= %e\n"%(Ra, SURFACE_LOAD)) |
| 260 |
|
| 261 |
p_last=p |
| 262 |
x=dom.getX() |
| 263 |
# |
| 264 |
# set up heat problem: |
| 265 |
# |
| 266 |
heat=TemperatureCartesian(dom,useBackwardEuler=False) |
| 267 |
print "<%s> Temperature transport has been set up."%time.asctime() |
| 268 |
heat.getSolverOptions().setTolerance(T_TOL) |
| 269 |
heat.getSolverOptions().setVerbosity(VERBOSE) |
| 270 |
fixed_T_at=whereZero(x[DIM-1])+whereZero(H-x[DIM-1]) |
| 271 |
heat.setInitialTemperature(clip(T,T_0)) |
| 272 |
heat.setValue(rhocp=1,k=1,given_T_mask=fixed_T_at) |
| 273 |
# |
| 274 |
# velocity constraints: |
| 275 |
# |
| 276 |
fixed_v_mask=Vector(0,Solution(dom)) |
| 277 |
faces=Scalar(0.,Solution(dom)) |
| 278 |
for d in range(DIM): |
| 279 |
if d == DIM-1: |
| 280 |
ll = H |
| 281 |
else: |
| 282 |
ll = L |
| 283 |
if CREATE_TOPOGRAPHY and d==DIM-1: |
| 284 |
fixed_v_mask+=whereZero(x[d])*unitVector(d,DIM) |
| 285 |
else: |
| 286 |
s=whereZero(x[d])+whereZero(x[d]-ll) |
| 287 |
faces+=s |
| 288 |
fixed_v_mask+=s*unitVector(d,DIM) |
| 289 |
# |
| 290 |
# set up velovity problem |
| 291 |
# |
| 292 |
flow=IncompressibleIsotropicFlowCartesian(dom, stress=stress, v=v, p=p, t=t, numMaterials=2, verbose=VERBOSE) |
| 293 |
flow.setDruckerPragerLaw(tau_Y=TAU_Y/P_REF+BETA*(1.-Function(dom).getX()[DIM-1])) |
| 294 |
|
| 295 |
flow.setElasticShearModulus(MUE) |
| 296 |
flow.setTolerance(FLOW_TOL) |
| 297 |
flow.setEtaTolerance(FLOW_TOL) |
| 298 |
flow.setExternals(fixed_v_mask=fixed_v_mask) |
| 299 |
print "<%s> Flow solver has been set up."%time.asctime() |
| 300 |
# |
| 301 |
# topography set-up |
| 302 |
# |
| 303 |
boundary=FunctionOnBoundary(dom).getX()[DIM-1] |
| 304 |
top_boundary_mask=whereZero(boundary-sup(boundary)) |
| 305 |
surface_area=integrate(top_boundary_mask) |
| 306 |
if CREATE_TOPOGRAPHY: |
| 307 |
mts=Mountains(dom,eps=TOPO_SMOOTH) |
| 308 |
mts.setTopography(topography) |
| 309 |
print "<%s> topography has been set up."%time.asctime() |
| 310 |
# |
| 311 |
# let the show begin: |
| 312 |
# |
| 313 |
t1 = time.time() |
| 314 |
print "<%s> Start time step %s (t=%s)."%(time.asctime(),n,t) |
| 315 |
while t<T_END: |
| 316 |
if CREATE_TOPOGRAPHY: topography_old=topography |
| 317 |
v_old, p_old, stress_old=v, p, stress |
| 318 |
T_old=T |
| 319 |
#======= solve for velovity ==================================================================== |
| 320 |
eta_N=exp(Ar*((1.+V_REF*(1-Function(dom).getX()[DIM-1]))/(T_OFFSET_REF+interpolate(T,Function(dom)))-1./T_OFFSET_REF)) |
| 321 |
print "viscosity range :", inf(eta_N), sup(eta_N) |
| 322 |
flow.setPowerLaws([eta_N, eta_N ], [ 1., TAU_0], [1,N]) |
| 323 |
flow.setExternals(F=Ra*T*unitVector(DIM-1,DIM)) |
| 324 |
# if dt<=0 or not CREATE_TOPOGRAPHY: |
| 325 |
if not CREATE_TOPOGRAPHY: |
| 326 |
flow.update(dt, iter_max=100, verbose=False) |
| 327 |
else: |
| 328 |
topography_last=topography |
| 329 |
Topo_norm, error_Topo=1,1 |
| 330 |
i=0 |
| 331 |
print "DDDDD : ====",dt |
| 332 |
while error_Topo > TOPO_TOL * Topo_norm: |
| 333 |
flow.setStatus(t, v_old, p_old, stress_old) |
| 334 |
flow.setExternals(f=-SURFACE_LOAD*(topography-dt*v)*unitVector(DIM-1,DIM)*top_boundary_mask, restoration_factor=SURFACE_LOAD*dt*top_boundary_mask) |
| 335 |
flow.update(dt, iter_max=100, verbose=False) |
| 336 |
v=flow.getVelocity() |
| 337 |
mts.setTopography(topography_old) |
| 338 |
mts.setVelocity(v) |
| 339 |
topography_last, topography=topography, mts.update(dt, allow_substeps=True) |
| 340 |
error_Topo=sqrt(integrate(((topography-topography_last)*top_boundary_mask)**2)) |
| 341 |
Topo_norm=sqrt(integrate((topography*top_boundary_mask)**2)) |
| 342 |
print "DDDDD :", "input=",integrate(v*top_boundary_mask)[DIM-1],"output=", integrate(topography*top_boundary_mask)/Lsup(topography), error_Topo, Topo_norm |
| 343 |
print "topography update step %s error = %e, norm = %e."%(i, error_Topo, Topo_norm), Lsup(v) |
| 344 |
i+=1 |
| 345 |
if i > TOPO_ITER_MAX: |
| 346 |
raise RuntimeError,"topography did not converge after %s steps."%TOPO_ITER_MAX |
| 347 |
v=flow.getVelocity() |
| 348 |
for d in range(DIM): |
| 349 |
print "range %d-velocity"%d,inf(v[d]),sup(v[d]) |
| 350 |
print "Courant = ",inf(dom.getSize()/(length(v)+1e-19)), inf(dom.getSize()**2) |
| 351 |
print "<%s> flow solver completed."%time.asctime() |
| 352 |
n+=1 |
| 353 |
t+=dt |
| 354 |
# print "influx= ",integrate(inner(v,dom.getNormal())), sqrt(integrate(length(v)**2,FunctionOnBoundary(dom))), integrate(1., FunctionOnBoundary(dom)) |
| 355 |
print "<%s> Time step %s (t=%s) completed."%(time.asctime(),n,t) |
| 356 |
#======= setup Temperature problem ==================================================================== |
| 357 |
# |
| 358 |
heat.setValue(v=v,Q=CHI_REF*flow.getTau()**2/flow.getCurrentEtaEff()) |
| 359 |
dt=heat.getSafeTimeStepSize() |
| 360 |
print "<%s> New time step size is %e"%(time.asctime(),dt) |
| 361 |
if n == 10: 1/0 |
| 362 |
#======= set-up topography ================================================================================== |
| 363 |
if CREATE_TOPOGRAPHY: |
| 364 |
dt=min(mts.getSafeTimeStepSize()*0.5,dt) |
| 365 |
print "<%s> New time step size is %e"%(time.asctime(),dt) |
| 366 |
print "<%s> Start time step %s (t=%s)."%(time.asctime(),n+1,t+dt) |
| 367 |
# |
| 368 |
# solve temperature: |
| 369 |
# |
| 370 |
T=heat.getSolution(dt) |
| 371 |
print "Temperature range ",inf(T),sup(T) |
| 372 |
print "<%s> temperature update completed."%time.asctime() |
| 373 |
#======= anaysis ================================================================================== |
| 374 |
# |
| 375 |
# .... Nusselt number |
| 376 |
# |
| 377 |
dTdz=grad(T)[DIM-1] |
| 378 |
Nu=1.-integrate(v[DIM-1]*T)/integrate(dTdz) |
| 379 |
eta_bar=integrate(flow.getTau())/integrate(flow.getTau()/flow.getCurrentEtaEff()) |
| 380 |
Ra_eff= (t_REF*RHO_0*G*H*(T_1-T_0)*ALPHA_0)/eta_bar |
| 381 |
print "nusselt number = %e"%Nu |
| 382 |
print "av. eta = %e"%eta_bar |
| 383 |
print "effective Rayleigh number = %e"%Ra_eff |
| 384 |
if CREATE_TOPOGRAPHY: |
| 385 |
topo_level=integrate(topography*top_boundary_mask)/surface_area |
| 386 |
valleys_deep=inf(topography) |
| 387 |
mountains_heigh=sup(topography) |
| 388 |
print "topography level = ",topo_level |
| 389 |
print "valleys deep = ", valleys_deep |
| 390 |
print "mountains_heigh = ", mountains_heigh |
| 391 |
diagnostics_file.write("%e %e %e %e %e %e %e\n"%(t,Nu, topo_level, valleys_deep, mountains_heigh, eta_bar, Ra_eff)) |
| 392 |
else: |
| 393 |
diagnostics_file.write("%e %e %e %e\n"%(t,Nu, eta_bar, Ra_eff)) |
| 394 |
# |
| 395 |
# .... visualization |
| 396 |
# |
| 397 |
if t>=t_vis or n>n_vis: |
| 398 |
if CREATE_TOPOGRAPHY: |
| 399 |
saveVTK(os.path.join(VIS_DIR,"state.%d.vtu"%counter_vis),T=T,v=v,eta=flow.getCurrentEtaEff(), topography=topography_old, vex=mts.getVelocity()) |
| 400 |
else: |
| 401 |
saveVTK(os.path.join(VIS_DIR,"state.%d.vtu"%counter_vis),T=T,v=v,eta=flow.getCurrentEtaEff()) |
| 402 |
print "<%s> Visualization file %d for time step %e generated."%(time.asctime(),counter_vis,t) |
| 403 |
counter_vis+=1 |
| 404 |
t_vis+=DT_VIS |
| 405 |
n_vis+=DN_VIS |
| 406 |
# ========================= |
| 407 |
# |
| 408 |
# create restart files: |
| 409 |
# |
| 410 |
if DN_RESTART>0: |
| 411 |
if (n-1)%DN_RESTART == 0: |
| 412 |
c=(n-1)/DN_RESTART |
| 413 |
old_restart_dir="%s_%s_"%(PREFIX_RESTART,c-1) |
| 414 |
new_restart_dir="%s_%s_"%(PREFIX_RESTART,c) |
| 415 |
mkDir(new_restart_dir) |
| 416 |
dom.MPIBarrier() |
| 417 |
file(os.path.join(new_restart_dir,"stamp.%d"%dom.getMPIRank()),"w").write("%e; %e; %s; %s; %s; %e;\n"%(t, t_vis, n_vis, n, counter_vis, dt)) |
| 418 |
v.dump(os.path.join(new_restart_dir,"v.nc")) |
| 419 |
p.dump(os.path.join(new_restart_dir,"p.nc")) |
| 420 |
T.dump(os.path.join(new_restart_dir,"T.nc")) |
| 421 |
if CREATE_TOPOGRAPHY: topography.dump(os.path.join(new_restart_dir,"topo.nc")) |
| 422 |
removeRestartDirectory(old_restart_dir) |
| 423 |
print "<%s> Restart files written to %s."%(time.asctime(),new_restart_dir) |
| 424 |
print "<%s> Calculation finalized after %s sec."%(time.asctime(),time.time() - t1) |
| 425 |
|
Parent Directory
| 
Revision Log