[Oral Presentation]块石形状及空间分布特性对抗侵彻性能影响的离散元分析

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

块石形状及空间分布特性对抗侵彻性能影响的离散元分析

ID：117 Submission ID：64 View Protection：ATTENDEE Updated Time：2024-04-10 17:13:32 Hits：413 Oral Presentation

Start Time：Pending （Asia/Shanghai）

Duration：Pending

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

No files

Abstract

块石结构由于其具有材料强度高、能量耗散率高以及成本低廉的特点，在大型防护结构中具有很高的工程应用价值。块石结构体的抗侵彻性能在很大程度上取决于块石的形状及尺寸、块石硬度以及块石层空间排布等参数。本文基于离散元颗粒簇模型针对花岗岩类块石对象进行建模，将随机块石简化为4种尺寸的圆盘形和多边形柔性簇模板，通过替换成样方法生成密实堆积的可破碎块石结构体离散元模型。对不同形状、尺寸块石以及不同空间排布的堆积体试样进行卵形弹正侵彻试验，监测得到弹体过载（加速度）、右板受力和弹体偏转角时程曲线以及侵彻阻力-侵彻深度曲线，深入分析块石结构体的抗侵彻效应机理。

Keywords

块石结构体,块石形状,空间排布,侵彻性能,离散元

Speaker

罗玉婷

太原理工大学

Submission Author

罗玉婷太原理工大学

赵婷婷太原理工大学

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