[Oral Presentation]颗粒系统与膜结构耦合分析方法研究

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

颗粒系统与膜结构耦合分析方法研究

ID：79 Submission ID：229 View Protection：ATTENDEE Updated Time：2024-04-09 22:37:40 Hits：625 Oral Presentation

Start Time：Pending （Asia/Shanghai）

Duration：Pending

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

No files

Abstract

膜结构是一类典型的柔性空间结构，服役过程中在沙、雪等外部环境作用将发生变形，而膜结构变形又进一步对沙、雪环境的作用方式产生影响。本文提出基于有限质点法和离散单元法的颗粒系统与膜结构耦合分析方法。首先介绍了基于有限质点法（FPM）的膜结构模拟方法，以及基于离散单元法（DEM）的颗粒系统模拟方法。在离散单元法中，对不同颗粒材料采用了不同的颗粒接触模型，包括通用接触模型和平行粘结模型。在有限质点法中，采用了三角形膜单元来描述膜结构的运动和变形。对于颗粒系统和膜结构的耦合作用，采用了点面接触模型来描述。通过典型算例说明了本文算法的有效性。

Keywords

颗粒系统,膜结构,耦合,有限质点法,离散单元法

Speaker

郑延丰

浙江大学

Submission Author

郑延丰浙江大学

苏伊扬浙江大学

罗尧治浙江大学

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