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A. Plaza*, R. Montenegro* and L. Ferragut#

*Department of Mathematics, University of Las Palmas de Gran Canaria, Spain
#Department of Applied Mathematics and Informatic Methods, Polytechnic University of Madrid, Madrid, Spain

doi:10.4203/ccp.21.4.3

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A. Plaza, R. Montenegro, L. Ferragut, "An Improved Derefinement Algorithm of Nested Meshes", in M. Papadrakakis, B.H.V. Topping, (Editors), "Advances in Post and Preprocessing for Finite Element Technology", Civil-Comp Press, Edinburgh, UK, pp 175-180, 1994. doi:10.4203/ccp.21.4.3

Abstract

In this paper we present a new version of the derefinement algorithm developed by Plaza et al. The purpose is to achieve a better derefinement algorithm in the sense of getting a lesser degree of complexity.

We present the theoretical study of this improved derefinement algorithm and of the inverse one for refinement. Firstly, our initial version of the derefinement algorithm is summarized. Then we present the refinement algorithm associated to the improved derefinement one. Finally, the automatic control of the sequences of irregular nested triangulations is shown by means of the resolution of an unsteady problem. In this problem a combination of refinement and derefinement algorithms has been applied to approach a circular domain.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 21 ADVANCES IN POST AND PREPROCESSING FOR FINITE ELEMENT TECHNOLOGY Edited by: M. Papadrakakis and B.H.V. Topping Paper IV.3 An Improved Derefinement Algorithm of Nested Meshes A. Plaza, R. Montenegro and L. Ferragut# *Department of Mathematics, University of Las Palmas de Gran Canaria, Spain #Department of Applied Mathematics and Informatic Methods, Polytechnic University of Madrid, Madrid, Spain doi:10.4203/ccp.21.4.3 purchase the full-text of this paper Full Bibliographic Reference for this paper A. Plaza, R. Montenegro, L. Ferragut, "An Improved Derefinement Algorithm of Nested Meshes", in M. Papadrakakis, B.H.V. Topping, (Editors), "Advances in Post and Preprocessing for Finite Element Technology", Civil-Comp Press, Edinburgh, UK, pp 175-180, 1994. doi:10.4203/ccp.21.4.3 Abstract In this paper we present a new version of the derefinement algorithm developed by Plaza et al. The purpose is to achieve a better derefinement algorithm in the sense of getting a lesser degree of complexity. We present the theoretical study of this improved derefinement algorithm and of the inverse one for refinement. Firstly, our initial version of the derefinement algorithm is summarized. Then we present the refinement algorithm associated to the improved derefinement one. Finally, the automatic control of the sequences of irregular nested triangulations is shown by means of the resolution of an unsteady problem. In this problem a combination of refinement and derefinement algorithms has been applied to approach a circular domain. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £60 +P&P)
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