Indexed by:会议论文
Date of Publication:2017-08-01
Page Number:9
Key Words:软颗粒;流固耦合问题;IB-LBM;弹性模量
Abstract:软颗粒的沉降是一个复杂的流固耦合问题,它不仅要考虑粒子的平动和转动,而且还要考虑对软颗粒的动边界进行准确的描述。本文基于构建一个简单的软颗粒模型,采用浸入式边界方法和格子玻尔兹曼方法相结合的方法(IB-LBM)来对软性单球在竖直管道内的沉降进行研究,详细分析弹性模量和小球密度对软性小球沉降速度及形状变化的影响。研究表明:(1)柔性小球的弹性模量越大,柔性小球的变形越小,沉降的纵向速度越大,相反,弹性模量越小,柔性小球的变形越大,沉降的纵向速度越小;(2)随着小球密度比的增大,小球沉降的纵向速度也会增大等。
Associate Professor
Supervisor of Master's Candidates
Title : Deputy director of Institute of Underwater Acoustic Engineering
Gender:Male
Alma Mater:Huazhong University of Science and Technology
Degree:Doctoral Degree
School/Department:School of Naval Architecture
Discipline:Underwater Acoustic Engineering. Design and Manufacture of Ship and Ocean Structure
Business Address:Room 511, Experiment Building Complex
Contact Information:lujh@dlut.edu.cn
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