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Implement BR1 scheme#378

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sloede wants to merge 59 commits intomaintrixi-framework/Trixi.jl:mainfrom br1trixi-framework/Trixi.jl:br1Copy head branch name to clipboard

+1,622-44

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Commits on Dec 11, 2020

• Add "GradientEquations2D" and start adding stuff to cache

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  ec90914

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• Update gradient equations

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  0422a0a

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• Bug fixes for GradientEquations2D

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  59d52c6

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• Add heat equation in 2D

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  01ad2ba

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• Fix sign in gradient equations to calculate gradient and not negative gradient

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  9a5396a

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• Hack in the calculation of the Laplacian in DG 2D

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• Add elixir for heat equation

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• Bug fixes

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Commits on Dec 13, 2020

• Add advection-diffusion equation

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Commits on Jan 17, 2021

• Add test for linear advection-diffusion

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  de8618b

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• Remove duplicate function

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Commits on Jan 18, 2021

• Add test for heat equation

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  926b173

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• Add semi parabolic aux vars

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• Add parabolic flux function to heat equation

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• Allow creation of solvers for auxiliary variables

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  5d76839

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• Switch heat equation to parabolic semi

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  4b4b2cd

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• Heat equation test still passes

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  a79f897

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• Add parabolic central flux

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  7dfa562

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• Add functionality for DG to handle parabolic system

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• Pass gradients cache to rhs!

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• Use central flux

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  d748522

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• Fix sign of the flux

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  c9b813b

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• Add parabolic flux to advection-diffusion equation

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  7c7e295

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• Add hyperbolic-parabolic semidiscretization

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• Change adv-diff elixir such that it works again (without mortars yet)

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• Move parabolic implementaiton to different file

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• Implement mortar fluxes

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• re-enable mortars for adv-div; convergence tests works but different results in comparison to "naive" implementation

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• Remove have_parabolic_terms at it is currently not needed

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• Add convenience method SemidiscretizationHyperbolicParabolicBR1

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• Add convenience method SemidiscretizationHyperbolicParabolicBR1

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  3125aa5

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• Change test reference values although they should not change; however, we get EOCs of ~5.37 and 5.15 for L2/Linf, so it cannot be all bad

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• Merge branch 'master' into br1

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  2d3b594

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• Fix call syntax in semidiscretizations for calc_error_norms

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  a343eca

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• Add Gauss pulse IC to heat equation/advdiff equation

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Commits on Jan 19, 2021

• Remove unnecessary variables

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  fa9b8f0

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• Fix bug in mortar code \o/

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  291884a

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• Make AMR work

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• Allow changing plot properties for mesh plots

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  3e545da

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• Make AMR test more fun...

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  8486e60

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• Add test for heat equation AMR

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  6af4cd4

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• Update include order

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• Apply suggestions from code review

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  ranocha

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  a0a8f21

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• Fix docstring for heat equation

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  4cc23f4

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• Remove unused function

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• Fix docstring for advection-diffusion equation

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• Add comment as suggested by @andrewwinters5000

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  7912939

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• Fix bug with mesh_equations_solver_cache use

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• Make weak form the default for the BR1 scheme

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Commits on Feb 2, 2021

• Add very early support for boundary conditions for parabolic problems (convergence test seems OK)

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• Add source terms for parabolic system (convtest seems ok)

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  8991ea4

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• Implement stepsize calculation for parabolic systems in the StepsizeCallback

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• Implement stepsize calculation for hyperbolic-parabolic systems

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Commits on Feb 8, 2021

• Add "experimental code" warning to be able to change the implementation in a breaking way without bumping the minor version

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Commits on Feb 17, 2021

• Small comment fixes

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Commits on Apr 3, 2021

• Merge branch 'main' into br1

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  ecdf2ca

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• Replace @svector by SVector

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• Deprecate max_dt for max_dt_hyperbolic

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• Make CFL number an arbitray type to support multiple CFL numbers

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