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R.C.C. Silva*, L. Landau+ and F.L.B. Ribeiro+

*LNCC/CNPq, Rio de Janeiro, Brazil
+Department of Civil Engineering, COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil

doi:10.4203/ccp.54.3.7

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R.C.C. Silva, L. Landau, F.L.B. Ribeiro, "Dynamic Non-Linear h-Adaptive Analysis", in B.H.V. Topping, (Editor), "Advances in Finite Element Procedures and Techniques", Civil-Comp Press, Edinburgh, UK, pp 135-142, 1998. doi:10.4203/ccp.54.3.7

Abstract

This work is concerned with h-adaptive strategy for two-dimensional dynamic analysis of non-linear materials. To deal with the plastic and the viscoplastic behaviors we adopted the overlay model and the Duvaut-Lions flow rule, respectively. In the particular case of von Mises yield condition, with an associative flow rule, the radial return algorithm is employed in each overlay for numerically integrating the rate constitutive equations. Viscoplastic, elastic and plastic responses are obtained by the same computational code only changing the value of the viscosity coefficient. We also explore the capacity of the adaptive strategy to recover the actual response even when the converged solution is completely different from the initial one.

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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 III.7 Dynamic Non-Linear h-Adaptive Analysis R.C.C. Silva, L. Landau+ and F.L.B. Ribeiro+ LNCC/CNPq, Rio de Janeiro, Brazil +Department of Civil Engineering, COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil doi:10.4203/ccp.54.3.7 purchase the full-text of this paper Full Bibliographic Reference for this paper R.C.C. Silva, L. Landau, F.L.B. Ribeiro, "Dynamic Non-Linear h-Adaptive Analysis", in B.H.V. Topping, (Editor), "Advances in Finite Element Procedures and Techniques", Civil-Comp Press, Edinburgh, UK, pp 135-142, 1998. doi:10.4203/ccp.54.3.7 Abstract This work is concerned with h-adaptive strategy for two-dimensional dynamic analysis of non-linear materials. To deal with the plastic and the viscoplastic behaviors we adopted the overlay model and the Duvaut-Lions flow rule, respectively. In the particular case of von Mises yield condition, with an associative flow rule, the radial return algorithm is employed in each overlay for numerically integrating the rate constitutive equations. Viscoplastic, elastic and plastic responses are obtained by the same computational code only changing the value of the viscosity coefficient. We also explore the capacity of the adaptive strategy to recover the actual response even when the converged solution is completely different from the initial one. 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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