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Acceleration of multidisciplinary analysis solvers by inexact subsystem simulations
Rice University, Houston.
Rice University, Houston.
1998 (English)In: 7th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization: September 2 - 4, 1998, St. Louis, MO, Reston, Va.: American Institute of Aeronautics and Astronautics, AIAA , 1998Conference paper, Published paper (Refereed)
Abstract [en]

This paper is concerned with the numerical solution of systems of blocked nonlinear equations arising in the solution of multidisciplinary analysis (MDA) problems. We consider the case where individual discipline solvers/simulators are given and are iterative methods. Thus, an MDA solver consists of an outer iteration for the solution of the system of blocked nonlinear equations and of inner iterations in the discipline simulators. We show how the control of the truncation of the inner iterations can be effectively used to accelerate the overall iteration. The key is the interpretation of the outer iteration with inexact inner iteration as an iteration of a related system with the same solution as the MDA problem.

Place, publisher, year, edition, pages
Reston, Va.: American Institute of Aeronautics and Astronautics, AIAA , 1998.
Series
AIAA papers, ISSN 0146-3705
Identifiers
URN: urn:nbn:se:ltu:diva-29252Scopus ID: 84982318595Local ID: 2aadc2e7-9be7-401a-9fed-8dc2badc6749OAI: oai:DiVA.org:ltu-29252DiVA, id: diva2:1002475
Conference
AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization : 02/09/1998 - 04/09/1998
Note
Upprättat; 2011; 20110707 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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