Abstract
Fast and efficient solution techniques are developed for high-dimensional parabolic partial differential equations (PDEs). In this paper we present a robust solver based on the Krylov subspace method Bi-CGSTAB combined with a powerful, and efficient, multigrid preconditioner. Instead of developing the perfect multigrid method, as a stand-alone solver for a single problem discretized on a certain grid, we aim for a method that converges well for a wide class of discrete problems arising from discretization on various anisotropic grids. This is exactly what we encounter during a sparse grid computation of a high-dimensional problem. Different multigrid components are discussed and presented with operator construction formulae. An option-pricing application is focused and presented with results computed with this method.
Original language | English |
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Pages (from-to) | 1131-1149 |
Number of pages | 19 |
Journal | International Journal of Computer Mathematics |
Volume | 84 |
Issue number | 8 |
DOIs | |
Publication status | Published - Aug 2007 |
Externally published | Yes |
Bibliographical note
Funding Information:This research has been partially supported by the Dutch government through the national program BSIK: knowledge and research capacity, in the ICT project BRICKS (http://www.bsik-bricks.nl), theme MSV1, partially by the Government of Pakistan through The HEC-Pakistan research grant, contract Ref: 1-3/PM-OVER/Neth/SPMU/2004 and partially by the Dutch Technology foundation STW. We would like to express our thanks to these sponsors.
Funding
This research has been partially supported by the Dutch government through the national program BSIK: knowledge and research capacity, in the ICT project BRICKS (http://www.bsik-bricks.nl), theme MSV1, partially by the Government of Pakistan through The HEC-Pakistan research grant, contract Ref: 1-3/PM-OVER/Neth/SPMU/2004 and partially by the Dutch Technology foundation STW. We would like to express our thanks to these sponsors.
Keywords
- Anisotropic diffusion equation
- Coarsening strategies
- High-dimensional PDE
- Multigrid preconditioned Bi-CGSTAB
- Sparse grids