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annotate src/SbpOperators/boundary_conditions/boundary_condition.jl @ 1900:418566cdd689

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Merge refactor/lazy_tensors/elementwise_ops
author Jonatan Werpers <jonatan@werpers.com>
date Fri, 31 Jan 2025 20:35:28 +0100
parents 48596b2f7923
children
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1 """
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2 BoundaryCondition
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4 Description of a boundary condition. Implementations describe the kind of
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5 boundary condition, what boundary the condition applies to, and any associated
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6 data. Should implement [`boundary`](@ref) and may implement
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7 [`boundary_data`](@ref) if applicable.
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9 For examples see [`DirichletCondition`](@ref) and [`NeumannCondition`](@ref)
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10 """
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11 abstract type BoundaryCondition end
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13 """
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14 boundary(::BoundaryCondition)
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16 The boundary identifier of the BoundaryCondition.
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17 """
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18 function boundary end
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20 """
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21 boundary_data(::BoundaryCondition)
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23 If implemented, the data associated with the BoundaryCondition.
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24 """
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25 function boundary_data end
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27 """
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28 discretize_data(grid, bc::BoundaryCondition)
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30 The data of `bc` as a lazily evaluated grid function on the boundary grid
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31 specified by `boundary(bc)`.
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32 """
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33 function discretize_data(grid, bc::BoundaryCondition)
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34 return eval_on(boundary_grid(grid, boundary(bc)), boundary_data(bc))
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35 end
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37 """
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38 DirichletCondition{DT,BID}
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39
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40 A Dirichlet condition with `data::DT` on the boundary
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41 specified by the boundary identifier `BID`.
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42 """
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43 struct DirichletCondition{DT,BID} <: BoundaryCondition
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44 data::DT
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45 boundary::BID
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46 end
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47 boundary_data(bc::DirichletCondition) = bc.data
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48 boundary(bc::DirichletCondition) = bc.boundary
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49
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50 """
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51 NeumannCondition{DT,BID}
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52
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53 A Neumann condition with `data::DT` on the boundary
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54 specified by the boundary identifier `BID`.
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55 """
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56 struct NeumannCondition{DT,BID} <: BoundaryCondition
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57 data::DT
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58 boundary::BID
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59 end
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60 boundary_data(bc::NeumannCondition) = bc.data
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61 boundary(bc::NeumannCondition) = bc.boundary
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