1 | %This test is a test from the ISMP-HOM Intercomparison project
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2 | %TestE
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3 | %Four tests to run: - Pattyn frozen
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4 | % - Stokes frozen
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5 | % - Pattyn with some sliding
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6 | % - Stokes with some sliding
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7 | printingflag=false;
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8 | results={};
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9 |
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10 | for i=1:4,
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11 | Lx=10; %in m
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12 | Ly=5000; %in m
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13 | nx=3; %number of nodes in x direction
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14 | ny=51;
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15 | md=model;
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16 | md=squaremesh(md,Lx,Ly,nx,ny);
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17 | md=setmask(md,'',''); %ice sheet test
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18 | md=parameterize(md,'../Par/ISMIPE.par');
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19 | md=extrude(md,10,1);
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20 |
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21 | if i==1 | i==3,
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22 | md=setflowequation(md,'pattyn','all');
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23 | elseif i==2 | i==4,
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24 | md=setflowequation(md,'stokes','all');
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25 | end
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26 |
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27 | %Create MPCs to have periodic boundary conditions
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28 | posx=find(md.mesh.x==0);
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29 | posx2=find(md.mesh.x==max(md.mesh.x));
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30 | md.diagnostic.vertex_pairing=[posx,posx2];
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31 |
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32 | %Create spcs on the bed
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33 | pos=find(md.mesh.vertexonbed);
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34 | md.diagnostic.spcvx=NaN*ones(md.mesh.numberofvertices,1);
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35 | md.diagnostic.spcvy=NaN*ones(md.mesh.numberofvertices,1);
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36 | md.diagnostic.spcvz=NaN*ones(md.mesh.numberofvertices,1);
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37 | md.diagnostic.spcvx(pos)=0;
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38 | md.diagnostic.spcvy(pos)=0;
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39 | md.diagnostic.spcvz(pos)=0;
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40 |
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41 | %Remove the spc where there is some sliding (case 3 and 4):
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42 | if i==3 | i==4,
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43 | pos=find(md.mesh.y/max(md.mesh.y)>=0.44 & md.mesh.y/max(md.mesh.y)<=0.5);
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44 | md.diagnostic.spcvx(pos)=NaN;
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45 | md.diagnostic.spcvy(pos)=NaN;
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46 | md.diagnostic.spcvz(pos)=NaN;
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47 | end
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48 |
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49 | %Compute the diagnostic
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50 | md.cluster=generic('name',oshostname(),'np',8);
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51 | md=solve(md,DiagnosticSolutionEnum);
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52 |
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53 | vx=(md.results.DiagnosticSolution.Vx);
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54 | vy=(md.results.DiagnosticSolution.Vy);
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55 | vz=(md.results.DiagnosticSolution.Vz);
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56 | results{i}=md.results.DiagnosticSolution;
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57 |
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58 | if i==1,
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59 | plotmodel(md,'data',vy,'ylim',[-10 80],'layer',md.mesh.numberoflayers,'sectionvalue','../Exp/ISMIPE.exp','resolution',[10 10],'title','','xlabel','')
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60 | if printingflag,
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61 | set(gcf,'Color','w')
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62 | printmodel('ismipepattynvxfrozen','png','margin','on','marginsize',25,'frame','off','resolution',1.5,'hardcopy','off');
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63 | system(['mv ismipepattynvxfrozen.png ' ISSM_DIR '/website/doc_pdf/validation/Images/ISMIP/TestE ']);
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64 | end
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65 | elseif i==2,
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66 | plotmodel(md,'data',vy,'ylim',[-10 80],'layer',md.mesh.numberoflayers,'sectionvalue','../Exp/ISMIPE.exp','resolution',[10 10],'title','','xlabel','')
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67 | if printingflag,
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68 | set(gcf,'Color','w')
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69 | printmodel('ismipestokesvxfrozen','png','margin','on','marginsize',25,'frame','off','resolution',1.5,'hardcopy','off');
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70 | system(['mv ismipestokesvxfrozen.png ' ISSM_DIR '/website/doc_pdf/validation/Images/ISMIP/TestE ']);
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71 | end
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72 | elseif i==3,
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73 | plotmodel(md,'data',vy,'ylim',[-50 200],'layer',md.mesh.numberoflayers,'sectionvalue','../Exp/ISMIPE.exp','resolution',[10 10],'title','','xlabel','')
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74 | if printingflag,
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75 | set(gcf,'Color','w')
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76 | printmodel('ismipepattynvxsliding','png','margin','on','marginsize',25,'frame','off','resolution',1.5,'hardcopy','off');
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77 | system(['mv ismipepattynvxsliding.png ' ISSM_DIR '/website/doc_pdf/validation/Images/ISMIP/TestE ']);
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78 | end
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79 | elseif i==4,
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80 | plotmodel(md,'data',vy,'ylim',[-50 200],'layer',md.mesh.numberoflayers,'sectionvalue','../Exp/ISMIPE.exp','resolution',[10 10],'title','','xlabel','')
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81 | if printingflag,
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82 | set(gcf,'Color','w')
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83 | printmodel('ismipestokesvxsliding','png','margin','on','marginsize',25,'frame','off','resolution',1.5,'hardcopy','off');
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84 | system(['mv ismipestokesvxsliding.png ' ISSM_DIR '/website/doc_pdf/validation/Images/ISMIP/TestE ']);
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85 | end
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86 | end
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87 | end
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88 | %Fields and tolerances to track changes
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89 | field_names ={ ...
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90 | 'VxPattynSliding','VyPattynSliding','VzPattynSliding',...
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91 | 'VxStokesSliding','VyStokesSliding','VzStokesSliding',...
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92 | 'VxPattynFrozen','VyPattynFrozen','VzPattynFrozen',...
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93 | 'VxStokesFrozen','VyStokesFrozen','VzStokesFrozen'
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94 | };
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95 | field_tolerances={...
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96 | 1e-06,1e-05,1e-05,...
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97 | 1e-06,1e-06,1e-06,...
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98 | 1e-06,1e-05,1e-04,...
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99 | 1e-06,1e-06,1e-06,...
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100 | };
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101 | field_values={};
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102 | for i=1:4,
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103 | result=results{i};
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104 | field_values={field_values{:},...
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105 | (result.Vx),...
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106 | (result.Vy),...
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107 | (result.Vz),...
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108 | };
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109 | end
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