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VISCOPLASTIC PROBLEMS IN ONE DIMENSION

Nguyen Phu Vinh 1
Volume & Issue: Vol. 6 No. 7&8 (2003) | Page No.: 21-29 | DOI: 10.32508/stdj.v6i7&8.3340
Published: 2003-08-31

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Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

In this paper, the basic concepts of viscoplasticity are introduced by the consideration of one-dimension situation, viscoplasticity theory allows the modelling of time rate effects in the plastic deformation process. Thus after initial yielding of material the plastic flow, and the resulting stresses and strains, are time dependent. Such effects are always present to some degree in all material. All the essential features of viscoplasticity can be demonstrated. Finally the solution process is coded in MATLAB.

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