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annotate src/SbpOperators/boundary_conditions/sat.jl @ 1685:4aa0973bffb0 feature/grids/manifolds

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Restrict the argument types of the simplest equidistant_grid to Number to avoid ambiguity
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 21 Aug 2024 19:10:37 +0200
parents 77f192b05b1d
children
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1 """
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2 sat_tensors(op, grid, bc::BoundaryCondition; kwargs...)
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4 The penalty tensor and boundary operator used to construct a
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5 simultaneous-approximation-term for imposing `bc` related to `op`.
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7 For `penalty_tensor, L = sat_tensors(...)` then `SAT(u,g) =
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8 penalty_tensor*(L*u - g)` where `g` is the boundary data.
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9 """
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10 function sat_tensors end
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13 """
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14 sat(op, grid, bc::BoundaryCondition; kwargs...)
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16 Simultaneous-Approximation-Term for a general `bc` to `op`. Returns a function
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17 `SAT(u,g)` weakly imposing `bc` when added to `op*u`.
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19 Internally `sat_tensors(op, grid, bc; ...)` is called to construct the
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20 necessary parts for the SAT.
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21 """
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22 function sat(op, grid, bc::BoundaryCondition; kwargs...)
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23 penalty_tensor, L = sat_tensors(op, grid, bc; kwargs...)
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24 return SAT(u, g) = penalty_tensor*(L*u - g)
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25 end