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Title: High-order finite-volume methods for hyperbolic conservation laws on mapped multiblock grids

Journal Article · · Journal of Computational Physics
 [1];  [1];  [2];  [2]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

We present an approach to solving hyperbolic conservation laws by finite-volume methods on mapped multiblock grids, extending the approach of Colella, Dorr, Hittinger, and Martin (2011) [10] for grids with a single mapping. We consider mapped multiblock domains for mappings that are conforming at inter-block boundaries. By using a smooth continuation of the mapping into ghost cells surrounding a block, we reduce the inter-block communication problem to finding an accurate, robust interpolation into these ghost cells from neighboring blocks. We demonstrate fourth-order accuracy for the advection equation for multiblock coordinate systems in two and three dimensions.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
Grant/Contract Number:
AC52-07NA27344; AC02-05CH11231
OSTI ID:
1249128
Alternate ID(s):
OSTI ID: 1236619; OSTI ID: 1247035; OSTI ID: 1407349
Report Number(s):
LLNL-JRNL-652819; LBNL-182615
Journal Information:
Journal of Computational Physics, Vol. 288, Issue C; ISSN 0021-9991
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 16 works
Citation information provided by
Web of Science

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Cited By (6)

Kinetic Simulation of Collisional Magnetized Plasmas with Semi-implicit Time Integration journal May 2018
High-Order Finite-Volume Method with Block-Based AMR for Magnetohydrodynamics Flows journal October 2018
Continuum kinetic modeling of the tokamak plasma edge journal May 2016
Kinetic Simulation of Collisional Magnetized Plasmas with Semi-Implicit Time Integration preprint January 2017
Implicit gas-kinetic unified algorithm based on multi-block docking grid for multi-body reentry flows covering all flow regimes journal December 2016
Magnetic Fluctuations in Gyrokinetic Simulations of Tokamak Scrape-Off Layer Turbulence preprint January 2021

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