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Paper X.4

On Algorithmic Stabilization of 2D Contact Analyses by Means of a Modified Node-Smoothing Technique

W.N. Liu, T. Huemer, J. Eberhardsteiner and H.A. Mang

Institute for Strength of Materials, Vienna University of Technology, Vienna, Austria

doi:10.4203/ccp.65.10.4

W.N. Liu, T. Huemer, J. Eberhardsteiner, H.A. Mang, "On Algorithmic Stabilization of 2D Contact Analyses by Means of a Modified Node-Smoothing Technique", in B.H.V. Topping, (Editor), "Finite Elements: Techniques and Developments", Civil-Comp Press, Edinburgh, UK, pp 249-256, 2000. doi:10.4203/ccp.65.10.4

Abstract

The use of a node-smoothing technique of contact interfaces is a very effective way to avoid a jump of the normal vector when a contact node moves from one contact segment to a neighboring segment. Such jumps may cause the failure of the numerical analysis. In general, the relevance of the jump of the normal vector is restricted to the vicinity of the respective master contact node. The purpose of this paper is to improve the node-smoothing technique in order to enhance the robustness and effectiveness for numerical analyses of contact problems. Additionally, the accuracy of the geometric discretization of the contact boundary is increased by keeping node smoothing restricted to the vicinity of a master node.

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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: 65 FINITE ELEMENTS: TECHNIQUES AND DEVELOPMENTS Edited by: B.H.V. Topping Paper X.4 On Algorithmic Stabilization of 2D Contact Analyses by Means of a Modified Node-Smoothing Technique W.N. Liu, T. Huemer, J. Eberhardsteiner and H.A. Mang Institute for Strength of Materials, Vienna University of Technology, Vienna, Austria doi:10.4203/ccp.65.10.4 purchase the full-text of this paper Full Bibliographic Reference for this paper W.N. Liu, T. Huemer, J. Eberhardsteiner, H.A. Mang, "On Algorithmic Stabilization of 2D Contact Analyses by Means of a Modified Node-Smoothing Technique", in B.H.V. Topping, (Editor), "Finite Elements: Techniques and Developments", Civil-Comp Press, Edinburgh, UK, pp 249-256, 2000. doi:10.4203/ccp.65.10.4 Abstract The use of a node-smoothing technique of contact interfaces is a very effective way to avoid a jump of the normal vector when a contact node moves from one contact segment to a neighboring segment. Such jumps may cause the failure of the numerical analysis. In general, the relevance of the jump of the normal vector is restricted to the vicinity of the respective master contact node. The purpose of this paper is to improve the node-smoothing technique in order to enhance the robustness and effectiveness for numerical analyses of contact problems. Additionally, the accuracy of the geometric discretization of the contact boundary is increased by keeping node smoothing restricted to the vicinity of a master node. 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 £80 +P&P)
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