%Test Name: EarthEsa
%Elastostatic adjustment for an elemental ice unloading 

%mesh earth: 
md=model; 
md.mesh=gmshplanet('radius',6.371012*10^3,'resolution',1000);

% define load 
md.esa.deltathickness=zeros(md.mesh.numberofelements,1);
pos=450;
md.esa.deltathickness(pos)=-100;   % this is the only "icy" element

%love numbers:
md.solidearth.lovenumbers=lovenumbers('maxdeg',10000);

%mask:  {{{
md.mask.ocean_levelset=gmtmask(md.mesh.lat,md.mesh.long); 

%make sure wherever there is an ice load, that the mask is set to ice: 
md.mask.ice_levelset=ones(md.mesh.numberofvertices,1);
pos=find(md.esa.deltathickness);
md.mask.ice_levelset(md.mesh.elements(pos,:))=-1;

%is ice grounded? 
md.mask.ocean_levelset=-ones(md.mesh.numberofvertices,1);
pos=find(md.mask.ice_levelset<=0);
md.mask.ocean_levelset(pos)=1;

% }}}
%geometry:  {{{
di=md.materials.rho_ice/md.materials.rho_water;
md.geometry.thickness=ones(md.mesh.numberofvertices,1);
md.geometry.surface=(1-di)*zeros(md.mesh.numberofvertices,1);
md.geometry.base=md.geometry.surface-md.geometry.thickness;
md.geometry.bed=md.geometry.base;
% }}}
%materials:  {{{
md.initialization.temperature=273.25*ones(md.mesh.numberofvertices,1);
md.materials.rheology_B=paterson(md.initialization.temperature);
md.materials.rheology_n=3*ones(md.mesh.numberofelements,1);
% }}}
%Miscellaneous: {{{
md.miscellaneous.name='test2101';
% }}}

% solve esa 
md.esa.requested_outputs = {'EsaUmotion','EsaNmotion','EsaEmotion'};
md.cluster=generic('name',oshostname(),'np',3); 
md.verbose=verbose('111111111');
md=solve(md,'Esa');

%Fields and tolerances to track changes
field_names     ={'EsaUmotion','EsaNmotion','EsaEmotion'};
field_tolerances={1e-13,1e-13,1e-13};
field_values={...
	(md.results.EsaSolution.EsaUmotion),...
	(md.results.EsaSolution.EsaNmotion),...
	(md.results.EsaSolution.EsaEmotion),...
	};

