Multiphysics simulations: Challenges and opportunities
We consider multiphysics applications from algorithmic and architectural perspectives,
where “algorithmic” includes both mathematical analysis and computational complexity, and …
where “algorithmic” includes both mathematical analysis and computational complexity, and …
Parallel geometric-algebraic multigrid on unstructured forests of octrees
We present a parallel multigrid method for solving variable-coefficient elliptic partial
differential equations on arbitrary geometries using highly adapted meshes. Our method is …
differential equations on arbitrary geometries using highly adapted meshes. Our method is …
A massively parallel geometric multigrid solver on hierarchically distributed grids
S Reiter, A Vogel, I Heppner, M Rupp… - … and Visualization in …, 2013 - Springer
A parallel geometric multigrid solver on hierarchically distributed grids is presented. Using a
tree-structure for grid distribution onto the processing entities, the multigrid cycle is …
tree-structure for grid distribution onto the processing entities, the multigrid cycle is …
Parallel multigrid on hierarchical hybrid grids: a performance study on current high performance computing clusters
B Gmeiner, H Köstler, M Stürmer… - … Practice and Experience, 2014 - Wiley Online Library
This article studies the performance and scalability of a geometric multigrid solver
implemented within the hierarchical hybrid grids (HHG) software package on current high …
implemented within the hierarchical hybrid grids (HHG) software package on current high …
[HTML][HTML] Optimization of the multigrid-convergence rate on semi-structured meshes by local Fourier analysis
In this paper a local Fourier analysis for multigrid methods on tetrahedral grids is presented.
Different smoothers for the discretization of the Laplace operator by linear finite elements on …
Different smoothers for the discretization of the Laplace operator by linear finite elements on …
Parallel 3d shape optimization for cellular composites on large distributed-memory clusters
J Pinzon, M Siebenborn, A Vogel - Journal of Advanced Simulation …, 2020 - jstage.jst.go.jp
Skin modeling is an ongoing research area that highly benefits from modern parallel
algorithms. This article aims at applying shape optimization to compute cell size and …
algorithms. This article aims at applying shape optimization to compute cell size and …
Multigrid methods on semi-structured grids
In this work, efficient block-wise multigrid solvers on semi-structured triangular grids are
presented for two-dimensional problems. They take advantage of the flexibility of triangular …
presented for two-dimensional problems. They take advantage of the flexibility of triangular …
Stencil computations for PDE‐based applications with examples from DUNE and hypre
Stencils are commonly used to implement efficient on‐the‐fly computations of linear
operators arising from partial differential equations. At the same time the term “stencil” is not …
operators arising from partial differential equations. At the same time the term “stencil” is not …
Code generation approaches for parallel geometric multigrid solvers
Software development for applications in computational science and engineering has
become complex in recent years. This is mainly due to the increasing parallelism and …
become complex in recent years. This is mainly due to the increasing parallelism and …
A generic prototype to benchmark algorithms and data structures for hierarchical hybrid grids
Many problems in computational science and engineering require the numerical solution of
partial differential equations and thus the solution of large, sparse linear systems of …
partial differential equations and thus the solution of large, sparse linear systems of …