[HTML][HTML] ExaHyPE: An engine for parallel dynamically adaptive simulations of wave problems

A Reinarz, DE Charrier, M Bader, L Bovard… - Computer Physics …, 2020 - Elsevier
Abstract ExaHyPE (“An Exascale Hyperbolic PDE Engine”) is a software engine for solving
systems of first-order hyperbolic partial differential equations (PDEs). Hyperbolic PDEs are …

Massively parallel simulations of binary black hole intermediate-mass-ratio inspirals

M Fernando, D Neilsen, H Lim, E Hirschmann… - arXiv preprint arXiv …, 2018 - arxiv.org
We present a highly-scalable framework that targets problems of interest to the numerical
relativity and broader astrophysics communities. This framework combines a parallel octree …

Massively parallel simulations of binary black holes with adaptive wavelet multiresolution

M Fernando, D Neilsen, Y Zlochower, EW Hirschmann… - Physical Review D, 2023 - APS
We present results from the new dendro-gr code. These include simulations of binary black
hole mergers for mass ratios up to q= 16. dendro-gr uses wavelet adaptive multiresolution to …

[HTML][HTML] The EU Center of Excellence for Exascale in Solid Earth (ChEESE): Implementation, results, and roadmap for the second phase

A Folch, C Abril, M Afanasiev, G Amati, M Bader… - Future Generation …, 2023 - Elsevier
Abstract The EU Center of Excellence for Exascale in Solid Earth (ChEESE) develops
exascale transition capabilities in the domain of Solid Earth, an area of geophysics rich in …

Efficient GPU offloading with OpenMP for a hyperbolic finite volume solver on dynamically adaptive meshes

M Wille, T Weinzierl, G Brito Gadeschi… - … Conference on High …, 2023 - Springer
We identify and show how to overcome an OpenMP bottleneck in the administration of GPU
memory. It arises for a wave equation solver on dynamically adaptive block-structured …

Scalable adaptive pde solvers in arbitrary domains

K Saurabh, M Ishii, M Fernando, B Gao, K Tan… - Proceedings of the …, 2021 - dl.acm.org
Efficiently and accurately simulating partial differential equations (PDEs) in and around
arbitrarily defined geometries, especially with high levels of adaptivity, has significant …

A flexible, parallel, adaptive geometric multigrid method for FEM

TC Clevenger, T Heister, G Kanschat… - ACM Transactions on …, 2020 - dl.acm.org
We present the design and implementation details of a geometric multigrid method on
adaptively refined meshes for massively parallel computations. The method uses local …

Mass transfer analysis of improved serpentine flow field in fuel cells considering spatial traversal

X Wang, Y Zhao, S Guo, F Lin, C Pan - Ionics, 2024 - Springer
The excellent performance of the proton exchange membrane fuel cell (PEMFC) requires
the combined efforts of several components, and one of the most important influences is the …

Spherical accretion of collisional gas in modified gravity I: self-similar solutions and a new cosmological hydrodynamical code

H Zhang, T Weinzierl, H Schulz… - Monthly Notices of the …, 2022 - academic.oup.com
The spherical collapse scenario has great importance in cosmology since it captures several
crucial aspects of structure formation. The presence of self-similar solutions in the Einstein …

Enclave tasking for DG methods on dynamically adaptive meshes

DE Charrier, B Hazelwood, T Weinzierl - SIAM Journal on Scientific Computing, 2020 - SIAM
High-order discontinuous Galerkin (DG) methods promise to be an excellent discretization
paradigm for hyperbolic differential equation solvers running on supercomputers, since they …