Non-Isothermal Hybrid Approach Using the Perfect Gas Law and Explicit Dynamic Finite Element Method for Modeling of Thermoforming and Blow Moulding Processes

机译：基于完美气体定律和显式动态有限元方法的非等温混合方法用于热成型和吹塑过程建模

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Thermoforming of cut sheets is extensively used in the industry for various commercial applications. In this process, the sheet is heated to a softened state and subsequently deformed into the mould due to an applied pressure, a vacuum, a moving plug or a combination of these media. The thermoforming-process market is expanding to complex geometries and to a list of potential materials. In this work, I use a no isothermal hybrid approach which combines the dynamic finite element method and the thermodynamic law of perfect gases to study the effect of the temperature of the air flow on the blowing of a thin, isotropic and incompressible thermoplastic membrane. The viscoelastic behaviour of the K-BKZ model is considered. The Lagrangian formulation together with the assumption of the membrane shell theory is used. The numerical validation is performed by comparing the obtained results with the theoretical results for the HDPE grade. Moreover, the effect of the temperature on the thickness and stresses distribution is presented.

机译：切割片的热成型在工业中广泛用于各种商业应用。在该过程中，片材被加热到软化状态，随后由于施加的压力，真空，移动的栓塞或这些介质的组合而变形为模具。热成型工艺市场正在扩展到复杂的几何形状和潜在的材料清单。在这项工作中，我使用了一种非等温混合方法，该方法结合了动态有限元法和理想气体的热力学定律，研究了气流温度对吹塑成各向同性且不可压缩的热塑性薄膜的影响。考虑了K-BKZ模型的粘弹性行为。使用拉格朗日公式以及膜壳理论的假设。通过将获得的结果与HDPE等级的理论结果进行比较来进行数值验证。此外，提出了温度对厚度和应力分布的影响。

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《AMD-vol.256; American Society of Mechanical Engineers(ASME) International Mechanical Engineering Congress and Exposition; 20051105-11; Orlando,FL(US)》|2005年|P.549-556|共8页
会议地点 OrlandoFL(US)
作者
F. Erchiqui;
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Universite du Quebec en Abitibi-Temiscamingue 445, boul. de l'Universite, Rouyn-Noranda (Quebec), J9X 5E4;

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正文语种 eng
中图分类机械零件及传动装置;
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1. A new hybrid approach using the explicit dynamic finite element method and thermodynamic law for the analysis of the thermoforming and blow molding processes for polymer materials [J] . Erchiqui F Polymer engineering and science . 2006,第11期

机译：一种新的混合方法，使用显式动态有限元方法和热力学定律来分析聚合物材料的热成型和吹塑工艺
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4. Non-Isothermal Hybrid Approach Using the Perfect Gas Law and Explicit Dynamic Finite Element Method for Modeling of Thermoforming and Blow Moulding Processes [C] . F. Erchiqui, American Society of Mechanical Engineers(ASME), AMD-vol.256 ASME International Mechanical Engineering Congress and Exposition . 2005

机译：非等温混合方法采用完美的气体定律和明确的动态有限元方法，用于建模热成型和吹塑工艺
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机译：采用动态显式程序进行吹塑和热成形的有限元分析

Non-Isothermal Hybrid Approach Using the Perfect Gas Law and Explicit Dynamic Finite Element Method for Modeling of Thermoforming and Blow Moulding Processes

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