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Inviscid Burgers as a degenerate elliptic problem

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arxiv 2401.08814 v6 pith:DO2NGZ7Z submitted 2024-01-16 math.NA cs.NAmath-phmath.APmath.MP

classification math.NAcs.NAmath-phmath.APmath.MP
keywords solutionsburgersdegenerateellipticinviscidrecoverweakapproaches
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We demonstrate the feasibility of a scheme to obtain approximate weak solutions to the (inviscid) Burgers equation in conservation and Hamilton-Jacobi form, treated as degenerate elliptic problems. We show different variants recover non-unique weak solutions as appropriate, and also specific constructive approaches to recover the corresponding entropy solutions.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The Second Law as a constraint and admitting the approximate nature of constitutive assumptions

    physics.class-ph 2024-12 conditional novelty 6.0 of 10

    The Second Law is treated as a constraint in a concave dual variational principle for continuum thermomechanics, with excess fields and a dissipation slack absorbing the approximate nature of constitutive laws.

  2. Variational formulation based on duality to solve partial differential equations: Use of B-splines and machine learning approximants

    math.NA 2024-12 conditional novelty 5.0 of 10

    The authors extend their prior dual (Lagrange multiplier) variational framework to steady and transient convection-diffusion and heat equations, discretizing with B-splines or RePU networks, and report numerical accur...

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