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Title: Teko: A block preconditioning capability with concrete example applications in Navier--Stokes and MHD

Journal Article · · SIAM Journal on Scientific Computing
DOI:https://doi.org/10.1137/15M1017946· OSTI ID:1335470
 [1];  [1];  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

This study describes the design of Teko, an object-oriented C++ library for implementing advanced block preconditioners. Mathematical design criteria that elucidate the needs of block preconditioning libraries and techniques are explained and shown to motivate the structure of Teko. For instance, a principal design choice was for Teko to strongly reflect the mathematical statement of the preconditioners to reduce development burden and permit focus on the numerics. Additional mechanisms are explained that provide a pathway to developing an optimized production capable block preconditioning capability with Teko. Finally, Teko is demonstrated on fluid flow and magnetohydrodynamics applications. In addition to highlighting the features of the Teko library, these new results illustrate the effectiveness of recent preconditioning developments applied to advanced discretization approaches.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1335470
Report Number(s):
SAND-2016-0191J; 618821
Journal Information:
SIAM Journal on Scientific Computing, Vol. 38, Issue 5; ISSN 1064-8275
Publisher:
SIAMCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

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FEMPAR: An Object-Oriented Parallel Finite Element Framework journal October 2017
A Computational Architecture for Coupling Heterogeneous Numerical Models and Computing Coupled Derivatives journal August 2018