[Oral Presentation]考虑自由液面和不规则颗粒的流体-颗粒相互作用的元球离散元物质点耦合算法

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

考虑自由液面和不规则颗粒的流体-颗粒相互作用的元球离散元物质点耦合算法

ID：275 Submission ID：72 View Protection：ATTENDEE Updated Time：2024-04-30 10:48:26 Hits：583 Oral Presentation

Start Time：Pending （Asia/Shanghai）

Duration：Pending

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

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Abstract

自然界和工业领域中的流体-颗粒相互作用往往涉及自由液面大变形和不规则颗粒形状。为精确模拟该过程，本文作者提出了一种元球离散元（MDEM, Metaball Discrete Element Method）-物质点（MPM, Material Point Method）耦合算法。该方法集成了MPM在处理自由液面大变形的能力，和MDEM在描述不规则形状颗粒的优势。针对MPM点和MDEM颗粒之间尺寸差异大的难点，本文还引入了一种新的碰撞检测方案，以确定MPM点与MDEM颗粒之间的碰撞参数。通过对圆球入水、溃坝流冲击块体和不规则颗粒沉降的模拟，验证了本文耦合方法的有效性。

Keywords

元球离散元法，物质点法，不规则颗粒，流体-颗粒相互作用

Speaker

任松凯

杭州电子科技大学

Submission Author

任松凯杭州电子科技大学

张沛西湖大学

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