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2篇 您的检索式:作者名="Cunbao Zhao"
    题名 作者 年代 出处 被引量
1Enhanced Defect Accumulation and Erosion in GaN Bombarded with Low-energy Highly Charged Heavy Ions显示文摘Gallium nitride (GaN) has received great attention because its outstanding properties are suitable for the development of novel microelectronic and optoelectronic devices. Ion beam implantation/engineering is an attractive method for device techniques such as selective-area doping or dry etching. The understanding of the damage production in GaN bombarded with energetic ions is fundamentally useful for the applications.Zhang Chonghong Sun Youmei Song Yin Chen Hong Zhao Zhiming Yao Cunfeng Wang Zhiguang Liu Cunbao Yang Yitao Ma Hongji Nie Pui 2004近代物理研究所和兰州重离子加速器实验室年报:英文版2004,,1:0
2System Reliability Analysis for Truss Structures Based on Automatic Updated Model显示文摘Multiple failure modes tend to be identified in the reliability analysis of a redundant truss structure.This identification process involves updating the model for identifying the next potential failure members.Herein we intend to update the finite element model automatically in the identification process of failure modes and further perform the system reliability analysis efficiently.This study presents a framework that is implemented through the joint simulation of MATLAB and APDL and consists of three parts:reliability index of a single member,identification of dominant failure modes,and system-level reliability analysis for system reliability analysis of truss structures.Firstly,RSM(response surface method)combines with a constrained optimization model to calculate the reliability indices ofmembers.Then theβ-unzipping method is adopted to identify the dominant failuremodes,and the system function in MATLAB,as well as the EKILL command in APDL,is used to facilitate the automatic update of the finite element model and realize load-redistribution.Besides,the differential equivalence recursion algorithmis performed to approximate the reliability indices of failuremodes efficiently and accurately.Eventually,the PNET(probabilistic network evaluation technique)is used to calculate the joint failure probability as well as the system reliability index.Two illustrative examples demonstrate the accuracy and efficiency of the proposed system reliability analysis framework through comparison with corresponding references.Pengyu Chen Cunbao Zhao He Yao Junliang Li 2023Computer Modeling in Engineering & Sciences2023,,3:0
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