Combined Model and Mesh Adaptivity Within 3D Multiscale XFEM for Cracks

Prange, Corinna

ISBN 10: 3941302108 / ISBN 13: 9783941302105

Published by Institut für Kontinuumsmechanik, 2014

About this Item

Zustand: Sehr gut | Seiten: 106 | Sprache: Englisch | Produktart: Bücher | Keine Beschreibung verfügbar.

Seller Inventory # 25317875/202

Bibliographic Details

• Title: Combined Model and Mesh Adaptivity Within 3D Multiscale XFEM for Cracks
• Publisher: Institut für Kontinuumsmechanik
• Publication Date: 2014
• Language: English
• ISBN 10: 3941302108
• ISBN 13: 9783941302105
• Binding: Soft cover
• Condition: Sehr gut
• Seller catalogs:
  • Bücher

About this title

Synopsis

Many materials show micro cracks which influence the behavior of the overall structure. An efficient way to accurately include micro cracks in 3D simulations of structures with considerably larger cracks is enabled. The FE mesh independent of the existing crack path is realized with the XFEM. As the mesh resolution is nevertheless related to the crack length the domain is decomposed into a coarse scale and a fine scale domain using a model indicator. The domains are coupled within the multiscale projection method which includes the micro cracks explicitly on the fine scale and implicitly on the coarse scale. For further improvements a mesh adaptivity scheme based on an error indicator is implemented on both, the coarse and the fine scale. As a result a multiscale simulation with a volume of 56.25 cubic mm and a micro crack surface of 1360 sq. micro meter is modeled