Changeset 901 for issm/trunk/test/Validation/ISMIP/TestA/Square.par

Timestamp:

06/11/09 13:28:29 (16 years ago)

Author:

Mathieu Morlighem

Message:

simplified Square.par

File:

• issm/trunk/test/Validation/ISMIP/TestA/Square.par (modified) (1 diff)

issm/trunk/test/Validation/ISMIP/TestA/Square.par

@@ -1 @@
-
 %Ok, start defining model parameters here
 
-%material parameters
-        md.g=9.8;
-        md.rho_ice=910;
-        md.rho_water=1023;
-        di=md.rho_ice/md.rho_water;
-        md.yts=365*24*3600;
-        md.heatcapacity=2009;
-        md.thermalconductivity=2.2; %W/mK
-        md.beta=9.8*10^-8;
+disp('      creating thickness');
+md.surface=-md.x*tan(0.5*pi/180);
+md.bed=md.surface-1000+500*sin(md.x*2*pi/max(md.x)).*sin(md.y*2*pi/max(md.x));
+md.thickness=md.surface-md.bed;
+md.firn_layer=0*ones(md.numberofgrids,1);
 
-%Solution parameters
-        %parallelization 
-        md.cluster='none';
-        md.np=2;
-        md.time=1;
-        md.exclusive=0;
+disp('      creating drag');
+md.drag_type=2; %0 none 1 plastic 2 viscous
+md.drag=200*ones(md.numberofgrids,1); %q=1.
+%Take care of iceshelves: no basal drag
+pos=find(md.elementoniceshelf);
+md.drag(md.elements(pos,:))=0;
+md.p=ones(md.numberofelements,1);
+md.q=ones(md.numberofelements,1);
 
-        %statics
-        md.lowmem=1;
-        md.eps_abs=NaN;
-        md.eps_rel=0.01;
-        md.penalty_offset=3;
-        md.penalty_melting=10^7;
-        if md.numberofgrids<1000000,
-        md.sparsity=.001;
-        else
-        md.sparsity=.0001;
-        end
+disp('      creating flow law paramter');
+md.B=6.8067*10^7*ones(md.numberofgrids,1);
+md.n=3*ones(md.numberofelements,1);
 
-        %dynamics
-        md.dt=1*md.yts; %1 year
-        md.ndt=md.dt*10; 
-        md.artificial_diffusivity=1;
-        md.viscosity_overshoot=0;
-
-        %control
-        md.nsteps=5;
-        md.tolx=10^-4;
-        md.maxiter=20;
-        md.optscal=10;
-        md.fit='logarithmic'; %'absolute','relative','logarithmic'
-        md.meanvel=1000/md.yts; %1000 meters/year
-        md.epsvel=eps;
-
-
-        disp('      creating thickness');
-        md.surface=-md.x*tan(0.5*pi/180);
-        md.bed=md.surface-1000+500*sin(md.x*2*pi/max(md.x)).*sin(md.y*2*pi/max(md.x));
-        md.thickness=md.surface-md.bed;
-        md.firn_layer=0*ones(md.numberofgrids,1);
-
-        disp('      creating velocities');
-        md.vx_obs=zeros(md.numberofgrids,1);
-        md.vy_obs=zeros(md.numberofgrids,1);
-        md.vel_obs=sqrt(md.vx_obs.^2+md.vy_obs.^2);
-        
-        disp('      creating drag');
-        md.drag_type=2; %0 none 1 plastic 2 viscous
-        md.drag=200*ones(md.numberofgrids,1); %q=1.
-        %Take care of iceshelves: no basal drag
-        pos=find(md.elementoniceshelf);
-        md.drag(md.elements(pos,:))=0;
-        md.p=ones(md.numberofelements,1);
-        md.q=ones(md.numberofelements,1);
-
-        disp('      creating temperature');
-        md.observed_temperature=(273-20)*ones(md.numberofgrids,1);
-
-        disp('      creating flow law paramter');
-        md.B=6.8067*10^7*ones(md.numberofgrids,1);
-        md.n=3*ones(md.numberofelements,1);
-
-        disp('      creating accumulation rates');
-        md.accumulation=ones(md.numberofgrids,1)/md.yts; %1m/a
-        md.melting=0*ones(md.numberofgrids,1)/md.yts; %1m/a
-
-        %Deal with boundary conditions:
-        
-        %Create grid on boundary fist (because wi can not use mesh)
-        md.gridonboundary=zeros(md.numberofgrids,1);
-        pos=find(md.x==0 | md.y==0 | md.x==max(md.x) | md.y==max(md.y));
-        md.gridonboundary(pos)=1;
-
-        disp('      boundary conditions for diagnostic model: ');
-        %Build gridonicefront, array of boundary grids belonging to the icefront:
-        gridinsideicefront=ContourToMesh(md.elements,md.x,md.y,expread('Front.exp',1),'node',2);
-        gridonicefront=double(md.gridonboundary & gridinsideicefront);
-
-        md.gridondirichlet_diag=zeros(md.numberofgrids,1);
-        pos=find(md.gridonboundary);md.gridondirichlet_diag(pos)=1;
-        md.dirichletvalues_diag=zeros(md.numberofgrids,2);
-
-        %pos=find(gridonicefront(md.segments(:,1)) | gridonicefront(md.segments(:,2)));
-        %md.segmentonneumann_diag=md.segments(pos,:);
-        md.segmentonneumann_diag=zeros(0,3);
-        %md.neumannvalues_diag=NaN*ones(length(md.segmentonneumann_diag),1); %dynamic boundary conditions (water pressure)
-
-        disp('      boundary conditions for prognostic model: ');
-        md.gridondirichlet_prog=zeros(md.numberofgrids,1);
-        md.dirichletvalues_prog=zeros(md.numberofgrids,1);
-        %pos=find(gridonicefront(md.segments(:,1)) | gridonicefront(md.segments(:,2)));
-        %md.segmentonneumann_prog=md.segments(pos,:);
-        md.segmentonneumann_prog=zeros(0,3);
-        md.neumannvalues_prog=zeros(size(md.segmentonneumann_prog,1),1);
-        md.neumannvalues_prog(:)=NaN; %free radiation
-        
-        %pos=find(gridonicefront(md.segments(:,1)) | gridonicefront(md.segments(:,2)));
-        %md.segmentonneumann_prog2=md.segments(pos,:);
-        md.segmentonneumann_prog2=zeros(0,3);
-        md.neumannvalues_prog2=zeros(size(md.segmentonneumann_prog2,1),1);
-        md.neumannvalues_prog2(:)=NaN; %free radiation
-        
-        disp('      boundary conditions for thermal model: ');
-        md.gridondirichlet_thermal=ones(md.numberofgrids,1); %surface temperature
-        md.dirichletvalues_thermal=md.observed_temperature;
-        md.geothermalflux=zeros(md.numberofgrids,1); 
-        pos=find(md.elementonicesheet);md.geothermalflux(md.elements(pos,:))=50*10^-3; %50 mW/m^2
-
-
-        
-
-% Some Cielo code, ignore.
-if strcmp(md.cluster,'yes')
-        ServerDisconnect;
-end   
+disp('      boundary conditions for diagnostic model');
+%Create grid on boundary fist (because we cannot use mesh)
+md.gridonboundary=zeros(md.numberofgrids,1);
+pos=find(md.x==0 | md.y==0 | md.x==max(md.x) | md.y==max(md.y));
+md.gridonboundary(pos)=1;
+md.gridondirichlet_diag=zeros(md.numberofgrids,1);
+pos=find(md.gridonboundary);md.gridondirichlet_diag(pos)=1;
+md.dirichletvalues_diag=zeros(md.numberofgrids,2);
+md.segmentonneumann_diag=zeros(0,3);