Computational Technology Resources - CCP

F. De Angelis and D. Cancellara

Department of Structures for Engineering and Architecture, University of Naples Federico II, Naples, Italy

doi:10.4203/ccp.106.8

F. De Angelis, D. Cancellara, "A Consistent Approach for Numerical Solution Algorithms for Elasto-Viscoplasticity", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 8, 2014. doi:10.4203/ccp.106.8

Keywords: elasto-viscoplasticity, numerical procedures, return mapping algorithms..

Summary

In this paper we refer to numerical integration procedures for boundary value problems in elasto-viscoplastic solids. A numerical approach is pursued by connecting the viscoplastic equipotential surface with the viscoplastic multiplier. An implicit backward difference method is proposed which is suitable for application to different constitutivemodels and to arbitrary yield criteria. A consistent tangent operator well suited for applications to different constitutivemodels and arbitrary yield criteria is also adopted as associated to the proposed numerical solution algorithm. Computational results and numerical examples are finally reported which illustrate the effectiveness and robustness of the algorithmic procedure.

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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: 106 PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by: Paper 8 A Consistent Approach for Numerical Solution Algorithms for Elasto-Viscoplasticity F. De Angelis and D. Cancellara Department of Structures for Engineering and Architecture, University of Naples Federico II, Naples, Italy doi:10.4203/ccp.106.8 purchase the full-text of this paper Full Bibliographic Reference for this paper F. De Angelis, D. Cancellara, "A Consistent Approach for Numerical Solution Algorithms for Elasto-Viscoplasticity", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 8, 2014. doi:10.4203/ccp.106.8 Keywords: elasto-viscoplasticity, numerical procedures, return mapping algorithms.. Summary In this paper we refer to numerical integration procedures for boundary value problems in elasto-viscoplastic solids. A numerical approach is pursued by connecting the viscoplastic equipotential surface with the viscoplastic multiplier. An implicit backward difference method is proposed which is suitable for application to different constitutivemodels and to arbitrary yield criteria. A consistent tangent operator well suited for applications to different constitutivemodels and arbitrary yield criteria is also adopted as associated to the proposed numerical solution algorithm. Computational results and numerical examples are finally reported which illustrate the effectiveness and robustness of the algorithmic procedure. 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 £65 +P&P)
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