[19718] | 1 | function parameterize(md){
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| 2 |
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| 3 | //Geometry
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| 4 | var hmin=300;
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| 5 | var hmax=1000;
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| 6 | var ymin=ArrayMin(md.mesh.y);
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| 7 | var ymax=ArrayMax(md.mesh.y);
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| 8 | var xmin=ArrayMin(md.mesh.x);
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| 9 | var xmax=ArrayMax(md.mesh.x);
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| 10 |
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| 11 | md.geometry.thickness=NewArrayFill(md.mesh.numberofvertices,0);
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| 12 | md.geometry.base=NewArrayFill(md.mesh.numberofvertices,0);
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| 13 | md.geometry.surface=NewArrayFill(md.mesh.numberofvertices,0);
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| 14 | md.geometry.bed=NewArrayFill(md.mesh.numberofvertices,0);
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| 15 |
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| 16 | for(i=0;i<md.mesh.numberofvertices;i++){
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| 17 | md.geometry.thickness[i]=hmax+(hmin-hmax)*(md.mesh.y[i]-ymin)/(ymax-ymin)+0.1*(hmin-hmax)*(md.mesh.x[i]-xmin)/(xmax-xmin);
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| 18 | md.geometry.base[i]=-md.materials.rho_ice/md.materials.rho_water*md.geometry.thickness[i];
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| 19 | md.geometry.surface[i]=md.geometry.base[i]+md.geometry.thickness[i];
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| 20 | }
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| 21 |
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| 22 | //Initial velocity
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| 23 | x = transpose(ncread('../Data/SquareShelfConstrained.nc','x'));
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| 24 | y = transpose(ncread('../Data/SquareShelfConstrained.nc','y'));
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| 25 | vx = transpose(ncread('../Data/SquareShelfConstrained.nc','vx'));
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| 26 | vy = transpose(ncread('../Data/SquareShelfConstrained.nc','vy'));
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| 27 | index = transpose(ncread('../Data/SquareShelfConstrained.nc','index'));
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| 28 | md.initialization.vx=InterpFromMeshToMesh2d(index,x,y,vx,md.mesh.x,md.mesh.y);
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| 29 | md.initialization.vy=InterpFromMeshToMesh2d(index,x,y,vy,md.mesh.x,md.mesh.y);
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| 30 | clear vx vy x y index;
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| 31 | md.initialization.vz=zeros(md.mesh.numberofvertices,1);
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| 32 | md.initialization.pressure=zeros(md.mesh.numberofvertices,1);
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| 33 |
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| 34 | //Materials
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| 35 | md.initialization.temperature=(273-20)*ones(md.mesh.numberofvertices,1);
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| 36 | md.materials.rheology_B=paterson(md.initialization.temperature);
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| 37 | md.materials.rheology_n=3*ones(md.mesh.numberofelements,1);
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| 38 |
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| 39 | //Surface mass balance and basal melting
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| 40 | md.smb.mass_balance=10*ones(md.mesh.numberofvertices,1);
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| 41 | md.basalforcings.floatingice_melting_rate=5*ones(md.mesh.numberofvertices,1);
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| 42 | md.basalforcings.groundedice_melting_rate=5*ones(md.mesh.numberofvertices,1);
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| 43 |
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| 44 | //Friction
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| 45 | md.friction.coefficient=20*ones(md.mesh.numberofvertices,1);
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| 46 | md.friction.coefficient(find(md.mask.groundedice_levelset<0.))=0.;
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| 47 | md.friction.p=ones(md.mesh.numberofelements,1);
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| 48 | md.friction.q=ones(md.mesh.numberofelements,1);
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| 49 |
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| 50 | //Numerical parameters
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| 51 | md.stressbalance.viscosity_overshoot=0.0;
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| 52 | md.masstransport.stabilization=1;
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| 53 | md.thermal.stabilization=1;
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| 54 | md.verbose=verbose(0);
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| 55 | md.settings.waitonlock=30;
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| 56 | md.stressbalance.restol=0.05;
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| 57 | md.stressbalance.reltol=0.05;
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| 58 | md.steadystate.reltol=0.05;
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| 59 | md.stressbalance.abstol=NaN;
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| 60 | md.timestepping.time_step=1;
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| 61 | md.timestepping.final_time=3;
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| 62 |
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| 63 | //Deal with boundary conditions:
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| 64 | md=SetIceShelfBC(md);
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| 65 |
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| 66 | //Change name so that no tests have the same name
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| 67 | A=dbstack;
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| 68 | if (length(A)>2), md.miscellaneous.name=A(3).file(1:end-2); end
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| 69 |
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| 70 | }
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