[cig-commits] r6968 - mc/3D/CitcomCU/branches/inflow-bcs/src

tan2 at geodynamics.org tan2 at geodynamics.org
Fri May 25 13:35:06 PDT 2007


Author: tan2
Date: 2007-05-25 13:35:05 -0700 (Fri, 25 May 2007)
New Revision: 6968

Added:
   mc/3D/CitcomCU/branches/inflow-bcs/src/plume-input
   mc/3D/CitcomCU/branches/inflow-bcs/src/plume.jpg
Log:
Add sample input file of the plume problem and image of the results

Added: mc/3D/CitcomCU/branches/inflow-bcs/src/plume-input
===================================================================
--- mc/3D/CitcomCU/branches/inflow-bcs/src/plume-input	2007-05-25 20:24:42 UTC (rev 6967)
+++ mc/3D/CitcomCU/branches/inflow-bcs/src/plume-input	2007-05-25 20:35:05 UTC (rev 6968)
@@ -0,0 +1,223 @@
+# Start up file for citcom using getpar.
+
+
+# 1. Input and Output Files Information
+
+	datafile="CASE2/plume"	# directory and file head for output files.
+	use_scratch="local"	# output files under current directory.
+#	use_scratch="szhong"	# output files onto local disk to each compute node. 
+
+	oldfile="CASE1/caseA"	# directory and file head for restart files.
+	restart=0		# check Convection.c for different options
+	restart_timesteps=2000	# timestep to restart
+
+	stokes_flow_only=0	# 1: only solve velocity once; 0: time-dependent problem.
+	maxstep=1000 		# max time steps
+	storage_spacing=10	# write data every ...
+
+# 2. Geometry, Ra numbers, Internal heating, Thermochemical/Purely thermal convection
+
+#	Solver=cgrad node_assemble=1	 # conjugate gradient: unsure if it still works
+	Solver=multigrid node_assemble=1 # multigrid iterative method
+
+	rayleigh=10.97394e5	# Rayleigh number
+	rayleigh_comp=1e6	# Compositional Rayleigh number. relevant for composition=1
+	composition=0		# 0: purely thermal convection; 1: thermochem
+	Q0=0			# Dimensionless internal heating rate
+	Q0_enriched=0		# Q0 for C=1 layer, when relevant
+
+	markers_per_ele=15	# number of particles per element
+	comp_depth=0.605	# initial depth of compositional interface
+
+	visc_heating=0		# 1: visc heating on; or 0: visc heating off.
+	adi_heating=0		# 1: adiabatic heating on; or 0: adiabatic heating off.
+	
+# 3. Grid And Multiprocessor Information
+
+	nprocx=1		# number of processors in x or theta dir	
+	nprocz=1		# number of processors in z or r dir
+	nprocy=1		# number of processors in y or fi dir
+
+	nodex=33 nodez=33 nodey=33	# only relevant with conj-grad
+
+	mgunitx=4		# multigrid base level in x or t 
+	mgunitz=2		# multigrid base level in z or r
+	mgunity=2		# multigrid base level in y or f
+	levels=4		# and how many times it gets doubled
+
+# 4. Coordinate Information
+
+	Geometry=cart3d 	# cart3d or Rsphere 
+#	Geometry=Rsphere 	# cart3d or Rsphere 
+
+#CART:  irrelevant if Geometry=Rsphere.
+	dimenx=2.0		# box size in x direction
+	dimenz=1.0		# box size in z direction
+	dimeny=1.0		# box size in y direction
+
+	z_grid_layers=4		# minus 1 is number of layers with uniform grid in z.
+	zz=0.0,0.1,0.9,1.0	#    starting and ending z coodinates
+	nz=1,5,13,17		#    starting and ending node in z direction
+
+	x_grid_layers=2
+	xx=0,2
+	nx=1,33
+
+	y_grid_layers=2
+	yy=0,1
+	ny=1,17
+
+	z_lmantle=0.76655052		# 2870 km-670 km
+	z_410=0.857143			# 2870 km-410 km
+	z_lith=0.9651568		# 2870-100 km
+
+
+# Regional SPHERICAL: irrelevant if Geometry=cart3d
+
+	radius_inner=0.55	radius_outer=1.0 	# inner and outer radius
+	theta_north=73.5	theta_south=106.5	# colatitude in deg 
+	fi_west=0		fi_east=36.0 		# longitude in deg
+
+	r_grid_layers=4
+	rr=0.55,0.59,0.96,1.0
+	nr=1,6,44,49
+
+	t_grid_layers=2
+	tt=73.5,106.5
+	nt=1,49
+
+	f_grid_layers=2
+	ff=0,36
+	nf=1,49
+
+	r_lmantle=0.89482	# (Ro-670 km)/Ro
+	r_410=0.9356358
+	r_lith=0.984301		# (Ro-100 km)/Ro
+
+# 5. Rheology
+
+	rheol=1	# 0,1,2,... diff. option for diff. rheology. Check Visco....c
+	TDEPV=on		# on/off for temperature-dependent viscosity
+	VISC_UPDATE=off		# on/off for updating viscosity or not.
+	update_every_steps=2 	# update viscosity every n timesteps
+
+	num_mat=4 # number of material group with possibly different rheology
+	visc0=1.0e0,1.0e0,1.0e0,1.0e0	# pre-exponential constant
+	viscE=6.9077553,6.9077553,6.9077553,6.9077553	#activation energy
+
+	viscT=273,273,273,273		#surface temperature: 
+	viscZ=5e-6,5e-6,5e-6,5e-6	#activation volume
+
+	SDEPV=off			# on/off for non-Newtonian
+	sdepv_misfit=0.010		# accuracy for non-Newtonian iteration
+	sdepv_expt=1,1,1,1		# for each mat group, stress exponent
+	sdepv_trns=1.e0,1.e0,1.e0,1.e0	# transition stress 
+
+	VMIN=on visc_min=5.0e-2		# viscosity lower cutoff
+	VMAX=on visc_max=2.0e04		# viscosity upper cutoff
+
+	visc_smooth_cycles=1		# how viscosity is smoothed in multigrid
+	Viscosity=system		# always  
+
+# 6. DIMENSIONAL INFORMATION and Depth-dependence
+
+	layerd=2870000.0 #meter
+	radius=6370000.0
+	ReferenceT=3800.0 
+	refvisc=1.0e20
+	density=3300.0
+	thermdiff=1.0e-6
+	gravacc=9.8
+	thermexp=5e-5
+	cp=1250
+	wdensity=0.0
+
+	visc_factor=1.0
+	thermexp_factor=1.0
+	thermdiff_factor=1.00
+	dissipation_number=2.601
+	surf_temp=0.078947
+
+# 7. phase changes: to turn off any of the phase changes, let Ra_XXX=0
+
+	Ra_410=0.0 #kg/m^3
+	Ra_670=0.0
+	clapeyron410=3.0e6 #Pa K-1
+	clapeyron670=-3.0e6
+
+	width410=3.5e4 #meter
+	width670=3.5e4
+
+
+# 8. BOUNDARY CONDITIONS and Initial perturbations
+	
+	topvbc=1		# velocity boundary conditions top and bottom
+		topvbxval=0.0
+		topvbyval=0.0
+	botvbc=3		# flow through z
+		botvbxval=0.0
+		botvbyval=0.0
+					#
+	toptbc=1 bottbc=1		# temperature bc's top and bottom
+	toptbcval=0.0 bottbcval=1.0	#
+
+
+	sidevbc=1		# flow through x
+	plate_velocity=8.6	# in cm/yr
+	plate_age=80		# in Myrs
+
+	plume_radius=500000	# in meter
+	plume_DT=2000		# in Celsius
+	plume_x=500000		# in meter
+	plume_y=1435000		# in meter
+
+	periodicx=off		#
+	periodicy=off		#
+
+	num_perturbations=1	#  N, Number of perturbations
+	perturbmag=0.000	#  A list of N magnitudes
+	perturbk=1.0		#  A list of N wavenumbers (/PI)
+	perturbl=6.0		#  A list of N wavenumbers (/PI)
+	perturbm=0.0		#  A list of N wavenumbers (/PI)
+
+
+# 9. SOLVER RELATED MATTERS
+
+	Problem=convection	# always, almost
+	aug_lagr=on
+	aug_number=1.0e3
+	precond=on
+	orthogonal=off
+
+	maxsub=1
+
+	viterations=2		# Uzawa iteration loops.
+	mg_cycle=1		# 1 = V cycle, 2 = W cycle, and so on.
+	down_heavy=3		# Increase downward smoothing by this factor.
+	up_heavy=3		# Increase upward smoothing by this factor.
+	vlowstep=20		# Enough to get very  accurate soln at low level.
+	vhighstep=3		# Smoothing passes at highest level (finest grid).
+
+	piterations=375		# Uzawa iteration loops.
+	accuracy=1.0e-2		# Desired accuracy of Uzawa algorithm. 
+	tole_compressibility=1e-7
+
+# Tuning of energy equation
+
+	adv_sub_iterations=2
+	finetunedt=0.75
+
+	ll_max=20
+	nlong=180
+	nlati=90
+
+# Data input and program debugging
+
+	DESCRIBE=off		# 
+	BEGINNER=off		#
+	VERBOSE=off		#
+	verbose=off		#
+	COMPRESS=off		#
+	see_convergence=1
+
+# vim:ts=8:sw=8

Added: mc/3D/CitcomCU/branches/inflow-bcs/src/plume.jpg
===================================================================
(Binary files differ)


Property changes on: mc/3D/CitcomCU/branches/inflow-bcs/src/plume.jpg
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Name: svn:mime-type
   + application/octet-stream



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