ビーズミル摩耗シミュレーションのための界面捕捉型摩耗モデル

Q4 Chemical Engineering
Kazuki Shioiri, Hiroyuki Ohmura, Mitsuteru Asai, Naoto Mitsume
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引用次数: 0

Abstract

It is important to consider the equipment wear in bead mills to maintain quality and control operational costs. In the conventional wear simulation, mesh deformation is applied using wear laws. There is a problem that the mesh is broken when large mesh deformations occur. We propose the wear simulation model which represents shape deformation by the interface capturing method in this study. The proposed model is robust because the model deforms equipment shape without requiring mesh deformation. Moreover, proposed model reduces computational costs by coupling with IB-DEM (Impulse-Based Discrete Element Method) which allows for a larger time step size than conventional DEM. We demonstrate the wear results when significant shape deformations occur due to collision with beads. We verify the proposed model by comparing the numerical results with actual worn parts by applying to the dry bead mill.
珠磨磨损模拟界面捕捉磨损模型
考虑磨珠机设备磨损对保持磨珠质量和控制运行成本具有重要意义。在传统的磨损模拟中,网格变形是根据磨损规律来计算的。有一个问题是,当大网格变形发生时,网格被破坏。本文提出了用界面捕获法表示形状变形的磨损仿真模型。该模型在不需要网格变形的情况下对设备形状进行变形,具有较强的鲁棒性。此外,该模型通过与IB-DEM(基于脉冲的离散元素方法)的耦合降低了计算成本,该方法允许比传统DEM更大的时间步长。我们演示了由于与珠子碰撞而发生显著形状变形时的磨损结果。将数值计算结果与实际磨损件进行对比,验证了所提模型的正确性。
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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来源期刊
Journal of The Society of Powder Technology, Japan
Journal of The Society of Powder Technology, Japan Chemical Engineering-Process Chemistry and Technology
CiteScore
0.20
自引率
0.00%
发文量
35
期刊介绍: The Journal of the Society of Powder Technology, Japan publishes valuable research papers in various fields related to powder technology and provides useful information to members. It publishes monthly original research papers and technical papers as well as general articles that are useful for members. It also covers reviews, overseas reports, doctoral thesis introduction and other materials in various fields related to powder technology. It is widely known as the only journal for the members who have keen interest in powder technology.
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