| 1 | %SOLIDEARTHSETTINGS class definition
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| 2 | %
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| 3 | % Usage:
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| 4 | % solidearthsettings=solidearthsettings();
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| 5 |
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| 6 | classdef solidearthsettings
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| 7 | properties (SetAccess=public)
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| 8 | reltol = 0;
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| 9 | abstol = 0;
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| 10 | maxiter = 0;
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| 11 | selfattraction = 1;
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| 12 | elastic = 1;
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| 13 | viscous = 1;
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| 14 | rotation = 1;
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| 15 | grdocean = 1;
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| 16 | ocean_area_scaling = 0;
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| 17 | runfrequency = 1; %how many time steps we skip before we run grd_core
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| 18 | sealevelloading = 1; %will sea-level loads be computed?
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| 19 | isgrd = 0; %will GRD patterns be computed?
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| 20 | compute_bp_grd = 0; %will GRD patterns for bottom pressures be computed?
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| 21 | degacc = 0; %degree increment for resolution of Green tables.
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| 22 | timeacc = 0; %time step accuracy required to compute Green tables
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| 23 | horiz = 0; %compute horizontal deformation
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| 24 | grdmodel = 0; %grd model (0 by default, 1 for (visco-)elastic, 2 for Ivins)
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| 25 | cross_section_shape = 0; %cross section only used when grd model is Ivins
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| 26 | end
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| 27 | methods (Static)
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| 28 | function self = loadobj(self) % {{{
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| 29 | % This function is directly called by matlab when a model object is
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| 30 | % loaded. If the input is a struct it is an old version of this class and
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| 31 | % old fields must be recovered (make sure they are in the deprecated
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| 32 | % model properties)
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| 33 |
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| 34 | if isstruct(self)
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| 35 | % 2021, Jun 4
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| 36 | if isfield(self,'rigid')
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| 37 | self.selfattraction = self.rigid;
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| 38 | end
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| 39 | if isfield(self,'computesealevelchange')
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| 40 | self.sealevelloading = self.computesealevelchange;
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| 41 | end
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| 42 | self = structtoobj(solidearthsettings(),self);
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| 43 |
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| 44 | end
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| 45 | end% }}}
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| 46 | end
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| 47 | methods
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| 48 |
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| 49 | function self = solidearthsettings(varargin) % {{{
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| 50 | switch nargin
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| 51 | case 0
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| 52 | self=setdefaultparameters(self);
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| 53 | otherwise
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| 54 | error('constructor not supported');
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| 55 | end
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| 56 | end % }}}
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| 57 | function self = setdefaultparameters(self) % {{{
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| 58 |
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| 59 | %Convergence criterion: absolute, relative and residual
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| 60 | self.reltol=0.01; % 1 percent
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| 61 | self.abstol=NaN; % default
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| 62 |
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| 63 | %maximum of non-linear iterations.
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| 64 | self.maxiter=5;
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| 65 |
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| 66 | %computational flags:
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| 67 | self.selfattraction=1;
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| 68 | self.elastic=1;
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| 69 | self.viscous=1;
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| 70 | self.rotation=1;
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| 71 | self.grdocean=1;
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| 72 | self.ocean_area_scaling=0;
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| 73 | self.compute_bp_grd=0;
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| 74 | self.isgrd=0;
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| 75 | self.sealevelloading=1;
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| 76 |
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| 77 | %numerical discretization accuracy
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| 78 | self.degacc=.01;
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| 79 | self.timeacc=1;
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| 80 |
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| 81 | %how many time steps we skip before we run solidearthsettings solver during transient
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| 82 | self.runfrequency=1;
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| 83 |
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| 84 | %horizontal displacement? (not on by default)
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| 85 | self.horiz=0;
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| 86 |
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| 87 | %cross section for Ivins model
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| 88 | self.cross_section_shape=1; %square as default (see iedge in GiaDeflectionCorex)
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| 89 |
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| 90 | %no grd model by default:
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| 91 | self.grdmodel=0;
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| 92 |
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| 93 | end % }}}
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| 94 | function md = checkconsistency(self,md,solution,analyses) % {{{
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| 95 |
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| 96 | if ~ismember('SealevelchangeAnalysis',analyses) | (strcmp(solution,'TransientSolution') & md.transient.isslc==0),
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| 97 | return;
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| 98 | end
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| 99 | md = checkfield(md,'fieldname','solidearth.settings.reltol','size',[1 1]);
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| 100 | md = checkfield(md,'fieldname','solidearth.settings.abstol','size',[1 1]);
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| 101 | md = checkfield(md,'fieldname','solidearth.settings.maxiter','size',[1 1],'>=',1);
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| 102 | md = checkfield(md,'fieldname','solidearth.settings.runfrequency','size',[1 1],'>=',1);
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| 103 | md = checkfield(md,'fieldname','solidearth.settings.degacc','size',[1 1],'>=',1e-10);
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| 104 | md = checkfield(md,'fieldname','solidearth.settings.timeacc','size',[1 1],'>',0);
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| 105 | md = checkfield(md,'fieldname','solidearth.settings.horiz','NaN',1,'Inf',1,'values',[0 1]);
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| 106 | md = checkfield(md,'fieldname','solidearth.settings.grdmodel','>=',0,'<=',2);
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| 107 | md = checkfield(md,'fieldname','solidearth.settings.cross_section_shape','numel',[1],'values',[1,2]);
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| 108 |
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| 109 | if self.elastic==1 & self.selfattraction==0,
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| 110 | error('solidearthsettings checkconsistency error message: need selfattraction on if elastic flag is set');
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| 111 | end
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| 112 | if self.viscous==1 & self.elastic==0,
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| 113 | error('solidearthsettings checkconsistency error message: need elastic on if viscous flag is set');
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| 114 | end
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| 115 |
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| 116 | %a GRD computation has been requested, make some checks on the nature of the meshes provided.
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| 117 | if self.isgrd,
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| 118 | if strcmpi(class(md.mesh),'mesh3dsurface'),
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| 119 | if self.grdmodel==2,
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| 120 | error('model requires a 2D mesh to run gia Ivins computations (change mesh from mesh3dsurface to mesh2d)');
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| 121 | end
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| 122 | else
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| 123 | if self.grdmodel==1,
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| 124 | error('model requires a 3D surface mesh to run GRD computations (change mesh from mesh2d to mesh3dsurface)');
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| 125 | end
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| 126 | end
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| 127 | if self.sealevelloading==1 & self.grdocean==0
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| 128 | error('solidearthsettings checkconsistency error message: need grdocean on if sealevelloading flag is set');
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| 129 | end
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| 130 | end
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| 131 |
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| 132 | if self.compute_bp_grd==1 & md.solidearth.settings.isgrd==0,
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| 133 | error('solidearthsettings checkconsistency error message; if bottom pressure grd patterns are requested, solidearth settings class should have isgrd flag on');
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| 134 | end
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| 135 |
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| 136 | end % }}}
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| 137 | function disp(self) % {{{
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| 138 | disp(sprintf(' solidearth settings:'));
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| 139 |
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| 140 | fielddisplay(self,'reltol','sea level change relative convergence criterion (default, NaN: not applied)');
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| 141 | fielddisplay(self,'abstol','sea level change absolute convergence criterion(default, NaN: not applied)');
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| 142 | fielddisplay(self,'maxiter','maximum number of nonlinear iterations');
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| 143 | fielddisplay(self,'grdocean','does this planet have an ocean, if set to 1: global water mass is conserved in GRD module (default: 1)');
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| 144 | fielddisplay(self,'ocean_area_scaling','correction for model representation of ocean area (default: No correction)');
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| 145 | fielddisplay(self,'sealevelloading','enables surface loading from sea-level change (default: 1)');
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| 146 | fielddisplay(self,'isgrd','compute GRD patterns (default: 1)');
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| 147 | fielddisplay(self,'compute_bp_grd','compute GRD patterns for bottom pressure loads (default: 1)');
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| 148 | fielddisplay(self,'runfrequency','how many time steps we skip before we run solidearthsettings solver during transient (default: 1)');
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| 149 | fielddisplay(self,'selfattraction','enables surface mass load to perturb the gravity field');
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| 150 | fielddisplay(self,'elastic','enables elastic deformation from surface loading');
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| 151 | fielddisplay(self,'viscous','enables viscous deformation from surface loading');
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| 152 | fielddisplay(self,'rotation','enables polar motion to feedback on the GRD fields');
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| 153 | fielddisplay(self,'degacc','accuracy (default: .01 deg) for numerical discretization of the Green''s functions');
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| 154 | fielddisplay(self,'timeacc','time accuracy (default: 1 yr) for numerical discretization of the Green''s functions');
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| 155 | fielddisplay(self,'grdmodel','type of deformation model, 0 for no GRD, 1 for spherical GRD model (SESAW model), 2 for half-space planar GRD (visco-elastic model from Ivins)');
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| 156 | fielddisplay(self,'cross_section_shape','1: square-edged (default). 2: elliptical. See iedge in GiaDeflectionCore');
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| 157 | end % }}}
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| 158 | function marshall(self,prefix,md,fid) % {{{
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| 159 | WriteData(fid,prefix,'object',self,'fieldname','reltol','name','md.solidearth.settings.reltol','format','Double');
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| 160 | WriteData(fid,prefix,'object',self,'fieldname','abstol','name','md.solidearth.settings.abstol','format','Double');
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| 161 | WriteData(fid,prefix,'object',self,'fieldname','maxiter','name','md.solidearth.settings.maxiter','format','Integer');
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| 162 | WriteData(fid,prefix,'object',self,'fieldname','selfattraction','name','md.solidearth.settings.selfattraction','format','Boolean');
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| 163 | WriteData(fid,prefix,'object',self,'fieldname','elastic','name','md.solidearth.settings.elastic','format','Boolean');
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| 164 | WriteData(fid,prefix,'object',self,'fieldname','viscous','name','md.solidearth.settings.viscous','format','Boolean');
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| 165 | WriteData(fid,prefix,'object',self,'fieldname','rotation','name','md.solidearth.settings.rotation','format','Boolean');
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| 166 | WriteData(fid,prefix,'object',self,'fieldname','grdocean','name','md.solidearth.settings.grdocean','format','Boolean');
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| 167 | WriteData(fid,prefix,'object',self,'fieldname','ocean_area_scaling','name','md.solidearth.settings.ocean_area_scaling','format','Boolean');
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| 168 | WriteData(fid,prefix,'object',self,'fieldname','runfrequency','name','md.solidearth.settings.runfrequency','format','Integer');
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| 169 | WriteData(fid,prefix,'object',self,'fieldname','degacc','name','md.solidearth.settings.degacc','format','Double');
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| 170 | WriteData(fid,prefix,'object',self,'fieldname','timeacc','name','md.solidearth.settings.timeacc','format','Double','scale',md.constants.yts);
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| 171 | WriteData(fid,prefix,'object',self,'fieldname','horiz','name','md.solidearth.settings.horiz','format','Integer');
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| 172 | WriteData(fid,prefix,'object',self,'fieldname','sealevelloading','name','md.solidearth.settings.sealevelloading','format','Integer');
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| 173 | WriteData(fid,prefix,'object',self,'fieldname','isgrd','name','md.solidearth.settings.isgrd','format','Integer');
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| 174 | WriteData(fid,prefix,'object',self,'fieldname','compute_bp_grd','name','md.solidearth.settings.compute_bp_grd','format','Integer');
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| 175 | WriteData(fid,prefix,'object',self,'fieldname','grdmodel','name','md.solidearth.settings.grdmodel','format','Integer');
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| 176 | WriteData(fid,prefix,'object',self,'fieldname','cross_section_shape','name','md.solidearth.settings.cross_section_shape','format','Integer');
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| 177 | end % }}}
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| 178 | function self = extrude(self,md) % {{{
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| 179 | end % }}}
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| 180 | function savemodeljs(self,fid,modelname) % {{{
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| 181 |
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| 182 | writejsdouble(fid,[modelname '.solidearth.settings.maxiter'],self.maxiter);
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| 183 | writejsdouble(fid,[modelname '.solidearth.settings.reltol'],self.reltol);
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| 184 | writejsdouble(fid,[modelname '.solidearth.settings.abstol'],self.abstol);
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| 185 | writejsdouble(fid,[modelname '.solidearth.settings.selfattraction'],self.selfattraction);
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| 186 | writejsdouble(fid,[modelname '.solidearth.settings.elastic'],self.elastic);
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| 187 | writejsdouble(fid,[modelname '.solidearth.settings.viscous'],self.viscous);
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| 188 | writejsdouble(fid,[modelname '.solidearth.settings.rotation'],self.rotation);
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| 189 | writejsdouble(fid,[modelname '.solidearth.settings.grdocean'],self.rotation);
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| 190 | writejsdouble(fid,[modelname '.solidearth.settings.ocean_area_scaling'],self.ocean_area_scaling);
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| 191 | writejsdouble(fid,[modelname '.solidearth.settings.run_frequency'],self.run_frequency);
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| 192 | writejsdouble(fid,[modelname '.solidearth.settings.degacc'],self.degacc);
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| 193 | writejsdouble(fid,[modelname '.solidearth.settings.timeacc'],self.timeacc);
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| 194 | writejsdouble(fid,[modelname '.solidearth.settings.cross_section_shape'],self.cross_section_shape);
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| 195 | end % }}}
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| 196 | end
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| 197 | end
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