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C. Pinto, J. Albizuri, V. Petuya and A. Hernández

Department of Mechanical Engineering, University of the Basque Country, Bilbao, Spain

Abstract

In this paper, a control method of the results quality based on the use of error estimators is proposed. These results are obtained using the finite element numerical simulation in non-linear planar structural problems. The origin of non-linearities is large displacements and plasticity of the material.

In order to evaluate the results quality, it is necessary to take into account the different error sources generated by the simulation. For this purpose, and focused only on the discretization errors, three discretization error estimators are defined.

Some examples help the authors to explain the theoretical developments and to define the relationship between the three dlscretization error estimators (spatial, temporal, and global).

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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 III.1 Three Error Estimators for Non-Linear Structural Problems C. Pinto, J. Albizuri, V. Petuya and A. Hernández Department of Mechanical Engineering, University of the Basque Country, Bilbao, Spain doi:10.4203/ccp.65.3.1 purchase the full-text of this paper Full Bibliographic Reference for this paper , "Three Error Estimators for Non-Linear Structural Problems", in B.H.V. Topping, (Editor), "Finite Elements: Techniques and Developments", Civil-Comp Press, Edinburgh, UK, pp 61-69, 2000. doi:10.4203/ccp.65.3.1 Abstract In this paper, a control method of the results quality based on the use of error estimators is proposed. These results are obtained using the finite element numerical simulation in non-linear planar structural problems. The origin of non-linearities is large displacements and plasticity of the material. In order to evaluate the results quality, it is necessary to take into account the different error sources generated by the simulation. For this purpose, and focused only on the discretization errors, three discretization error estimators are defined. Some examples help the authors to explain the theoretical developments and to define the relationship between the three dlscretization error estimators (spatial, temporal, and global). 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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