huang2023bndmov.bib

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@article{huang2023bndmov,
  abstract = {High-order implicit shock tracking (fitting) is a class of high-order, optimization-based numerical methods to approximate solutions of conservation laws with non-smooth features by aligning elements of the computational mesh with non-smooth features. This ensures the non-smooth features are perfectly represented by inter-element jumps and high-order basis functions approximate smooth regions of the solution without nonlinear stabilization, which leads to accurate approximations on traditionally coarse meshes. In this work, we introduce a robust implicit shock tracking framework specialized for problems with parameter-dependent lead shocks (i.e., shocks separating a farfield condition from the downstream flow), which commonly arise in high-speed aerodynamics and astrophysics applications. After a shock-aligned mesh is produced at one parameter configuration, all elements upstream of the lead shock are removed and the nodes on the lead shock are positioned for new parameter configurations using the implicit shock tracking solver. The proposed framework can be used for most many-query applications involving parametrized lead shocks such as optimization, uncertainty quantification, parameter sweeps, "what-if" scenarios, or parameter-based continuation. We demonstrate the robustness and flexibility of the framework using a one-dimensional space-time Riemann problem, and two- and three-dimensional supersonic and hypersonic benchmark problems.},
  arxiv = {https://arxiv.org/abs/2304.11427},
  author = {Huang, Tianci and Naudet, Charles J. and Zahr, Matthew J.},
  contribution = {funding acquisition, project management, supervision (MJZ); conceptualization, formal analysis (TH, MJZ); investigation, software, validation, visualization (TH, CJN); methodology, writing - original/review/edit (TH, CJN, MJZ)},
  corauthor = {Zahr, Matthew J.},
  date-added = {2023-07-26 05:46:54 -0600},
  date-modified = {2023-07-26 23:48:03 -0400},
  journal = {Journal of Computational Physics},
  month = {in review},
  project = {shktrk},
  title = {High-order implicit shock tracking boundary conditions for flows with parametrized shocks},
  year = {2023},
  bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S002199911830189X},
  bdsk-url-2 = {https://doi.org/10.1016/j.jcp.2018.03.029}
}

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