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M. Schölmann*, F. Neugebauer+, B. May*, S. Blazy# and M. Fulland*

*Institute for Applied Mechanics
+Department of Computer Science
#Paderborn Centre for Parallel Computing, University of Paderborn, Germany

Keywords: ADAPCRACK, crack simulation, fracture mechanics, fatigue life, ABAQUS, mesh generation, mesh refinement, mesh adaption, error estimation.

Abstract

In many cases the lifetime of technical structures and components depends on the behaviour of cracks. It is necessary to develop efficient crack simulation methods to estimate crack growth and lifetime.

Within this paper the new program ADAPCRACK for crack propagation simulation under complex loading will be presented. The main focus of ADAPCRACK is the determination of crack paths and component's life as a part of the damage tolerant assessment. It includes all necessary modules of practical relevance and uses ABAQUS for structural analysis. Within ADAPCRACK, the adaption of the special mesh at the crack tip is improved by a new mesh refinement strategy. Furthermore, a new error estimator for the Lamé equations is included. Through the combination of the new methods ADAPCRACK becomes a powerfull and flexible crack simulation tool for the prediction of damage and failures.

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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: 54 ADVANCES IN FINITE ELEMENT PROCEDURES AND TECHNIQUES Edited by: B.H.V. Topping Paper IV.1 Improved Crack Simulation by Automatic Mesh Generation M. Schölmann, F. Neugebauer+, B. May, S. Blazy# and M. Fulland* Institute for Applied Mechanics +Department of Computer Science #Paderborn Centre for Parallel Computing, University of Paderborn, Germany doi:10.4203/ccp.54.4.1 purchase the full-text of this paper Full Bibliographic Reference for this paper , "Improved Crack Simulation by Automatic Mesh Generation", in B.H.V. Topping, (Editor), "Advances in Finite Element Procedures and Techniques", Civil-Comp Press, Edinburgh, UK, pp 169-179, 1998. doi:10.4203/ccp.54.4.1 Keywords:* ADAPCRACK, crack simulation, fracture mechanics, fatigue life, ABAQUS, mesh generation, mesh refinement, mesh adaption, error estimation. Abstract In many cases the lifetime of technical structures and components depends on the behaviour of cracks. It is necessary to develop efficient crack simulation methods to estimate crack growth and lifetime. Within this paper the new program ADAPCRACK for crack propagation simulation under complex loading will be presented. The main focus of ADAPCRACK is the determination of crack paths and component's life as a part of the damage tolerant assessment. It includes all necessary modules of practical relevance and uses ABAQUS for structural analysis. Within ADAPCRACK, the adaption of the special mesh at the crack tip is improved by a new mesh refinement strategy. Furthermore, a new error estimator for the Lamé equations is included. Through the combination of the new methods ADAPCRACK becomes a powerfull and flexible crack simulation tool for the prediction of damage and failures. 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 £75 +P&P)
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