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annotate +scheme/+bc/closureSetup.m @ 1347:ac54767ae1fb feature/poroelastic tip

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Add interface, not fully compatible.
author Martin Almquist <martin.almquist@it.uu.se>
date Tue, 30 Apr 2024 14:58:35 +0200
parents ba10f24bf476
children
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dee5b5a57be6 Clean up closureSetup
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1 % Setup closure and penalty matrices for several boundary conditions at once.
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2 % Each bc is a struct with the fields
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3 % * type -- Type of boundary condition
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4 % * boundary -- Boundary identifier
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5 % * data -- A function_handle for a function which provides boundary data.(see below)
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6 % Also takes S_sign which modifies the sign of the penalty function, [-1,1]
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7 % Returns a closure matrix and a penalty matrices for each boundary condition.
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8 %
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9 % The boundary data function can either be a function of time or a function of time and space coordinates.
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10 % In the case where it only depends on time it should return the data as grid function for the boundary.
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11 % In the case where it also takes space coordinates the number of space coordinates should match the number of dimensions of the problem domain.
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12 % For example in the 2D case: f(t,x,y).
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13 function [closure, penalties] = closureSetup(diffOp, bcs)
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14 scheme.bc.verifyFormat(bcs, diffOp);
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15
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16 % Setup storage arrays
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17 closure = spzeros(size(diffOp));
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18 penalties = cell(1, length(bcs));
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19
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20 % Collect closures and penalties
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21 for i = 1:length(bcs)
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22 [localClosure, penalties{i}] = diffOp.boundary_condition(bcs{i}.boundary, bcs{i}.type);
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23 closure = closure + localClosure;
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24 end
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25 end