[Oral Presentation]颗粒物质的统一理论

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

颗粒物质的统一理论

ID：95 Submission ID：253 View Protection：ATTENDEE Updated Time：2024-04-09 22:41:33 Hits：587 Oral Presentation

Start Time：Pending （Asia/Shanghai）

Duration：Pending

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

No files

Abstract

在现代科学中，制定一个统一的理论来描述行为可以像固体或流体一样的颗粒物质，是一个重大挑战之一。这主要是因为当前的理论根植于不同的起源，从不同的角度解释颗粒物质，并且很难统一起来。在这项工作中，我们证明了通过将固体的弹塑性理论与颗粒流变规律相结合，可以产生这样一个通用理论。所提出的理论或数学模型能够很好地解释固体-流体转换中发生的坍塌行为，以及其他相关概念，如颗粒之间的自锁、剪胀效应、滞后效应、放大规律和流动状态等。其适用性已在多种颗粒系统中进行了测试，其中固体和流体状态并存。因此，这项工作提供了一种简单但通用的理论，以统一方式描述颗粒物质

Keywords

颗粒物质,固体-流体转变,桥接模型,颗粒自锁,尺寸依赖性,休止角

Speaker

郑奇军

Monash University （Suzhou）

Submission Author

郑奇军 Monash University （Suzhou）

罗奇蒙纳士大学

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