[Oral Presentation]考虑两颗粒同时冲击床面的击溅函数及风沙流模拟

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

考虑两颗粒同时冲击床面的击溅函数及风沙流模拟

ID：34 Submission ID：82 View Protection：ATTENDEE Updated Time：2024-04-09 22:03:59 Hits：465 Oral Presentation

Start Time：Pending （Asia/Shanghai）

Duration：Pending

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

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Abstract

在自然界真实风沙流的击溅过程中，多颗粒同时冲击壁面而溅起壁面上的其他颗粒，而已有击溅函数中仅考虑单次单颗粒的冲击。本文将包含两颗粒同时冲击壁面的间距的新击溅函数，应用到风沙流壁面解析大涡模拟（WRLES）中，通过对模拟得到的稳态风沙流的颗粒运动及输沙率分析，发现考虑两颗粒同时冲击的输沙率显著大于已有仅考虑单一颗粒冲击的击溅函数得到的数值模拟结果，两颗颗粒同时冲击床面的单宽输沙率相较单颗颗粒冲击床面增加22.8%，模拟得到的单宽输沙率更接近野外测量结果。

Keywords

多颗粒；击溅函数；风沙流数值模拟

Speaker

廖雪言

兰州大学

Submission Author

廖雪言兰州大学

王国华兰州大学

郑晓静兰州大学土木工程与力学学院力学与工程科学系

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