source: issm/trunk-jpl/test/Par/GiaBenchmarksCD.par@ 21168

%Geometry specific to Experiments C and D  
rad=800000;
nv=md.mesh.numberofvertices; 
for i=1:nv,
        dist=sqrt(md.mesh.x(i).^2+md.mesh.y(i)^2);
        if (dist <= rad)
                md.geometry.thickness(i)=3000.0;
        else
                md.geometry.thickness(i)=1.0; % non-zero thickness
        end
end
md.geometry.thickness=md.geometry.thickness';
md.geometry.base=zeros(md.mesh.numberofvertices,1); 
md.geometry.surface=md.geometry.thickness+md.geometry.base; 

%Ice density used for benchmarking, not 917 kg/m^3
md.materials.rho_ice=1000; %kg m^3

%GIA parameters specific to Experiments A  and B
md.gia.mantle_viscosity=10^21*ones(md.mesh.numberofvertices,1);    %in Pa.s
md.gia.lithosphere_thickness=100*ones(md.mesh.numberofvertices,1); %in km
md.materials.lithosphere_shear_modulus=6.7*10^10;                  %in Pa
md.materials.lithosphere_density=3.32;                             %in g/cm^3
md.materials.mantle_shear_modulus=1.45*10^11;                      %in Pa
md.materials.mantle_density=3.34;                                  %in g/cm^3

%Initial velocity 
x     = archread('../Data/SquareSheetConstrained.arch','x');
y     = archread('../Data/SquareSheetConstrained.arch','y');
vx    = archread('../Data/SquareSheetConstrained.arch','vx');
vy    = archread('../Data/SquareSheetConstrained.arch','vy');
index = archread('../Data/SquareSheetConstrained.arch','index');

x = x{1};
y = y{1};
vx = vx{1};
vy = vy{1};
index = index{1};

md.initialization.vx=InterpFromMeshToMesh2d(index,x,y,vx,md.mesh.x,md.mesh.y);
md.initialization.vy=InterpFromMeshToMesh2d(index,x,y,vy,md.mesh.x,md.mesh.y);
clear vx vy x y index;
md.initialization.vz=zeros(md.mesh.numberofvertices,1);
md.initialization.pressure=zeros(md.mesh.numberofvertices,1);

%Materials
md.initialization.temperature=(273.-20.)*ones(md.mesh.numberofvertices,1);
md.materials.rheology_B=paterson(md.initialization.temperature);
md.materials.rheology_n=3.*ones(md.mesh.numberofelements,1);

%Friction
md.friction.coefficient=20.*ones(md.mesh.numberofvertices,1);
md.friction.coefficient(find(md.mask.groundedice_levelset<0.))=0.;
md.friction.p=ones(md.mesh.numberofelements,1);
md.friction.q=ones(md.mesh.numberofelements,1);

%Numerical parameters
md.stressbalance.viscosity_overshoot=0.0;
md.masstransport.stabilization=1.;
md.thermal.stabilization=1.;
md.verbose=verbose(0);
md.settings.waitonlock=30;
md.stressbalance.restol=0.05;
md.steadystate.reltol=0.05;
md.stressbalance.reltol=0.05;
md.stressbalance.abstol=NaN;
md.timestepping.time_step=1.;
md.timestepping.final_time=3.;

%Boundary conditions:
md=SetIceSheetBC(md);

%Change name so that no test have the same name
A=dbstack;
if (length(A)>2), md.miscellaneous.name=A(3).file(1:end-2); end