恒温铝构件蠕变分析模型的校正

Q3 Engineering

International Journal for Engineering Modelling Pub Date : 2021-06-28 DOI:10.31534/engmod.2021.2.ri.01m

Marko Goreta, N. Torić, I. Boko

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引用次数: 3

摘要

本文介绍了一种适用于分析恒温铝构件的蠕变模型的发展。该模型旨在作为定义瞬态加热状态下蠕变模型的基础。暴露在瞬态加热状态下的铝构件的行为在科学界是一个相对未探索的话题。有必要为铝定义一个先进的蠕变模型，该模型应涵盖任何加热状态，以模拟蠕变对暴露于火灾的构件的影响。在特定温度和应力水平下，将现有实验数据与商业软件ANSYS 16.2的内置蠕变模型的结果进行了比较。所使用的实验数据是从之前对EN 6082 AW T6铝合金试件进行的测试中提取的，并拟合在上述ANSYS模型中，该模型作为定义代表性高级蠕变模型的基础。

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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Calibration of an Existing Creep Model for Analysis of Aluminium Members Exposed to Constant Temperature

SUMMARY The paper presents the development of a creep model applicable for the analysis of aluminium members exposed to a constant temperature. The model is intended as a base for defining a creep model in a transient heating regime. The behaviour of aluminium members exposed to the transient heating regime is a relatively unexplored topic in the scientific community. There is a need for defining an advanced creep model for aluminium, which should cover any heating regime to model the influence of creep on members exposed to fire. A comparison of results between the existing experimental data and the built-in creep models from commercial software ANSYS 16.2 for specific temperature and stress levels is provided. The experimental data used was extracted from previous tests carried out on coupons of aluminium alloy EN 6082 AW T6 and fitted in the aforementioned ANSYS models which serve as a base for defining the representative advanced creep model.

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来源期刊

International Journal for Engineering Modelling Engineering-Mechanical Engineering

CiteScore

0.90

自引率

0.00%

发文量

期刊介绍： Engineering Modelling is a refereed international journal providing an up-to-date reference for the engineers and researchers engaged in computer aided analysis, design and research in the fields of computational mechanics, numerical methods, software develop-ment and engineering modelling.