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Efficient numerical methods to compute unsteady subsonic flows: A new refinement strategy for grid adaptation and a tailored Jacobian-free Newton-Krylov algorithm for unsteady flow problems - Tapa blanda

Lucas, Peter; Bijl, Hester

 
9783838385761: Efficient numerical methods to compute unsteady subsonic flows: A new refinement strategy for grid adaptation and a tailored Jacobian-free Newton-Krylov algorithm for unsteady flow problems
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ISBN 10: 3838385764 ISBN 13: 9783838385761
Editorial: LAP LAMBERT Academic Publishing, 2010

Sinopsis

Despite the large increase in computer power and the advances in solver technology, unsteady flow problems still may require a vast amount of computing time. In this work two approaches are investigated that should lead to a reduction in computing times for unsteady subsonic flows. In the first part of this work a new refinement strategy for grid adaptation is proposed that enables the user to a priori define the maximum usable computer resources. In the second part of this work a Jacobian-free Newton-Krylov algorithm is tailored for unsteady subsonic flow problems. With this algorithm computing times are reduced with one order of magnitude compared to the traditional used solver.

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Reseña del editor

Despite the large increase in computer power and the advances in solver technology, unsteady flow problems still may require a vast amount of computing time. In this work two approaches are investigated that should lead to a reduction in computing times for unsteady subsonic flows. In the first part of this work a new refinement strategy for grid adaptation is proposed that enables the user to a priori define the maximum usable computer resources. In the second part of this work a Jacobian-free Newton-Krylov algorithm is tailored for unsteady subsonic flow problems. With this algorithm computing times are reduced with one order of magnitude compared to the traditional used solver.

Biografía del autor

Peter Lucas as well as Hester Bijl both have been awarded the degree of doctor at the Delft University of Technology. Their expertise lies in the field of computational fluid dynamics. Hester Bijl is currently a full professor at the Delft University of Technology.

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Editorial
LAP LAMBERT Academic Publishing
Año de publicación
2010
Idioma
Inglés
ISBN 10 
3838385764
ISBN 13 
9783838385761
Encuadernación
Tapa blanda
Número de páginas
148
Contacto del fabricante
no disponible
Persona responsable
no disponible