Bo ZHOU

Professor   Supervisor of Doctorate Candidates   Supervisor of Master's Candidates

Title : Deputy Director of Graduate School Academic Office

Gender:Male

Alma Mater:Dalian University of Technology

Degree:Doctoral Degree

School/Department:School of Naval Architecture

Discipline:Design and Manufacture of Ship and Ocean Structure

Business Address:School of Naval Architecture, Room 105

Contact Information:


Paper Publications

钢结构氧气切割开孔残余应力数值分析与实验研究

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Date:2019-03-11

Indexed by:Journal Article

Date of Publication:2012-01-01

Journal:大连理工大学学报

Included Journals:CSCD、ISTIC、PKU、EI、Scopus

Volume:52

Issue:3

Page Number:373-380

ISSN:1000-8608

Key Words:结构开孔; 氧气切割; 数值模拟; 温度场; 残余应力

Abstract:氧气切割是船体结构临时开孔工艺中的首选方法,其产生的残余应力对后序封孔焊接与结构安全性均有重要影响.基于氧气切割原理,建立了预热火焰与铁氧反应生
   热的组合热源模型;基于热弹塑性有限元法,建立了氧气切割开孔过程的数值计算模型,并分析了切割温度场与残余应力场分布规律.通过氧气切割开孔实验进行结
   果验证,采用红外热像仪测量表面温度分布,应用压痕应变法测量残余应力,实验结果与计算结果基本吻合.研究结果表明:在割缝边缘存在超过材料屈服点的拉应
   力区,其宽度受切割速度、开孔尺寸与纵向约束等因素的影响.

Personal Profile

Dr Bo Zhou, Professor of Dalian University of Technology (DUT), doctoral supervisor, Liaoning Province "Xingliao elite plan" top young talents, DUT "Xinghai 1000 youth talents" plan. 

Prior to joining DUT, he spent nearly 8 years at Singapore Nanyang Technological University in the School of Civil and Environmental Engineering from 2009. He worked on several research projects, such as the National Research Foundation project “Underwater Infrastructure and Underwater City of the Future”. 

Dr Zhou specializes in Naval Architecture & Marine Engineering. He published more than 70 academic papers, and won 2 second prizes of the Liaoning Science and Technology Progress Award, 1 second prize of CSNAME Science and Technology Progress Award.

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