Entropy-stable DG: flux differencing and SBP operators #169
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Closing since ESDG development has moved to https://github.com/inducer/grudge/tree/ESDG-development |
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Replaces #157
This PR implements flux differencing (currently using just numpy broadcasting) and adds summation-by-parts (SBP) DG operators via the new module
grudge.sbp_op. Uses #154 as its base because of the array container supportAn inviscid (Euler) model using entropy-stable DG (flux differencing + SBP ops) has been written up in
grudge.models.euler. The specific DG formulation is the skew-symmetric form as presented by Jesse Chan (2019)Further items that need to be addressed:
actx