[Oral Presentation]料仓结拱堵料行为的连续介质建模

Organized By

Hohai University

Monash University

Co-organized by

Southeast University

Jiangxi University of Science and Technology

Northeast University

DUT-BSU Scientific Research and Innovation Center

Suzhou University of Science and Technology

State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment

Sponsoring agency

KELI SDEM Software (Dalian) Co., Ltd.

Sugon Smart Computing Information Technology Co., Ltd.

Beijing Paratera Technology Co., Ltd.

Simpop Information Technology Co., Ltd.

Important Dates

Conference Announcement

December 2023, release First Round Announcement
Abstract Submission Deadline
March 31^th, 2024
Paper Submission Deadline
April 30^th, 2024
Registration
From January 1^st, 2024
Conference Schedule
May 31^st (Friday), 2024 On-Site Registration
June 1^st to 3^rd, 2024 Conference

料仓结拱堵料行为的连续介质建模

ID：30 Submission ID：66 View Protection：ATTENDEE Updated Time：2024-04-09 22:01:45 Hits：470 Oral Presentation

Start Time：Pending （Asia/Shanghai）

Duration：Pending

Session：[No Session] » [No Session Block]

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Abstract

在颗粒材料的数值模拟中，料斗结拱是一个经典挑战，尤其是对于基于连续介质力学的有限元方法（FEM）。本研究将粘弹塑性方法扩展为包含稀疏颗粒流的可压缩模型，探究了粘性颗粒从矩形料斗中排出的现象。我们重点研究了排出速率、应力场、休止角以及临界出口宽度等四个料斗卸料过程中的典型特征，并将其与之前的离散元法（DEM）模拟和经典理论进行了比较。本研究的主要目标是方法验证。当前的模拟结果与之前的结果高度一致。总体而言，随着内聚力的增加，排出速率减小，休止角增大，并且临界出口宽度减小。

Keywords

数值模拟,粘性颗粒流,料仓,欧拉有限元

Speaker

吴映辉

蒙纳士大学

Submission Author

吴映辉蒙纳士大学

郑奇军 Monash University （Suzhou）

余艾冰东南大学

Sponsored By

Hohai University

Panel of Computational Mechanics on Granular Materials, Working Party of Computational Mechanics, Chinese Society of Theoretical and Applied Mechanics

Jiangsu Society of Theoretical and Applied Mechanics