Development of Simulation Tools for Analyzing the Actuation of Smart Materials

机译：用于分析智能材料致动的仿真工具的开发

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In order to predict the hinge-moments produced by smart material actuation as well as thernstrength of smart material components, a reliable material model needs to be developed for eachrnsmart material. This material model can then be used in the finite element analysis of structuresrncontaining smart actuators. These could either be embedded actuators or linkages made of smartrnmaterial. In this paper we show a developed thermo-mechanical model that can be used forrnmodeling NiTi Shape Memory Alloy material. The developed constitutive model can be utilizedrnto analyze simple and complex structures/shapes. It was developed based on the approach byrnLiang and Rogers. The phase transformation occurring in the SMA microstructure and therntemperature variation are treated as internal variables for this model. The simulation results arernpresented and analyzed.

机译：为了预测智能材料致动产生的铰链力矩以及智能材料组件的强度，需要为每种智能材料开发可靠的材料模型。然后，可以将该材料模型用于包含智能执行器的结构的有限元分析中。这些可以是嵌入式致动器或由智能材料制成的连杆。在本文中，我们展示了一种可以用于模拟NiTi形状记忆合金材料的热力学模型。建立的本构模型可用于分析简单和复杂的结构/形状。它是根据rnLiang和Rogers的方法开发的。 SMA微结构中发生的相变和温度变化被视为该模型的内部变量。给出并分析了仿真结果。

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来源
《Materials science amp; technology 2011 conference amp; exhibition》|2011年|884-889|共6页
会议地点 Columbus OH(US)
作者
V. Msomi; G.J. Oliver; O. Philander; K.O. Sanusi;
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作者单位

Cape Peninsula University of Technology, P.O. Box 1906, Symphony Way, 7535, Cape Town,South Africa;

Cape Peninsula University of Technology, P.O. Box 1906, Symphony Way, 7535, Cape Town,South Africa;

Cape Peninsula University of Technology, P.O. Box 1906, Symphony Way, 7535, Cape Town,South Africa;

Stellenbosch University, Private Bag X1, Matieland, 7602, Cape Town, South Africa;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Shape Memory Alloy; Modeling; Finite Element Simulation; Phase Transformation;

机译：形状记忆合金;建模;有限元模拟;相变;

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4. Development of Simulation Tools for Analyzing the Actuation of Smart Materials [C] . V. Msomi, G.J. Oliver, O. Philander, Materials Science Technology Conference and Exhibition . 2011

机译：开发分析智能材料致动的仿真工具
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6. Maximizing the performance of photothermal actuators by combining smart materials with supplementary advantages [O] . Tongyu Wang, David Torres, Félix E. Fernández, 2017

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Development of Simulation Tools for Analyzing the Actuation of Smart Materials

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