Treating coordinate maps as dynamical variables in action-based IBVP discretizations yields exact Noether charge conservation and automatic mesh refinement even at high order when SBP operators are used.
Cambridge University Press (2019)
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From Exact Space-Time Symmetry Conservation to Automatic Mesh Refinement in Discrete Initial Boundary Value Problems
Treating coordinate maps as dynamical variables in action-based IBVP discretizations yields exact Noether charge conservation and automatic mesh refinement even at high order when SBP operators are used.