由于边界摩擦而加热的圆管内弹塑性介质的运动

Q3 Mathematics

Pmm Journal of Applied Mathematics and Mechanics Pub Date : 2016-01-01 DOI:10.1016/j.jappmathmech.2016.06.013

A.A. Burenin , L.V. Kovtanyuk , G.L. Panchenko

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引用次数: 4

摘要

本文给出了热弹塑性中一系列相关问题的解决方案，这些问题涉及到介质在圆柱形管中随压降变化而流动的起源和发展，以及由于管壁摩擦而使材料加热，以及当载荷缓慢移除和层状材料冷却时随后的流动减速。当屈服应力与温度相关时，热物理过程和变形过程相互关联。指出了粘塑性流动产生的条件和弹塑性边界在地层中推进的关系，并计算了流动速率和不可逆和可逆大变形。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The motion of an elastoplastic medium in a circular tube heated due to boundary friction

The solution of a sequence of related problems in thermoelastoplasticity, concerning the origin and development of the flow of a medium in a cylindrical tube with a varying pressure drop and heating of the material due to friction at the tube wall with the subsequent flow deceleration when the load is slowly removed and the layer material cools off, is presented. The thermophysical and deformation processes are interconnected when the yield stress is temperature dependent. The conditions for the generation of a viscoplastic flow and the relations for the advancement of the elastoplastic boundaries through the layer are indicated, and the flow rates and both irreversible and reversible large deformations are calculated.

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来源期刊

Pmm Journal of Applied Mathematics and Mechanics 物理-力学

CiteScore

0.70

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： This journal is a cover to cover translation of the Russian journal Prikladnaya Matematika i Mekhanika, published by the Russian Academy of Sciences and reflecting all the major achievements of the Russian School of Mechanics.The journal is concerned with high-level mathematical investigations of modern physical and mechanical problems and reports current progress in this field. Special emphasis is placed on aeronautics and space science and such subjects as continuum mechanics, theory of elasticity, and mathematics of space flight guidance and control.