[Oral Presentation]针对真实复杂颗粒形态的非凸Metaball离散元法

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

针对真实复杂颗粒形态的非凸Metaball离散元法

ID：271 Submission ID：198 View Protection：ATTENDEE Updated Time：2024-04-30 10:46:33 Hits：635 Oral Presentation

Start Time：Pending （Asia/Shanghai）

Duration：Pending

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

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Abstract

颗粒形状对颗粒材料的力学性质有显著影响。然而，自然界和工程实践中的颗粒往往具有复杂形状，其中又以非凸形状为多数。尽管离散元法已被广泛应用于对颗粒材料的仿真中，但在处理非凸形状时仍有较大局限。本文引入Metaball函数描述颗粒形状，并利用Metaball函数的解析特性，构建了针对非凸形状的碰撞算法。相较于水平集离散元法，Metaball离散元法在内存占用、接触力一致性等方面具有优势。

Keywords

Metaball离散元法,复杂颗粒形状

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