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Optimization of press bend forming path of aircraft integral panel YAN Yu(阎 昱), WAN Min(万 敏), WANG Hai-bo(王海波), HUANG Lin(黄 霖) School of Mechanical Engineering and Automation, Beihang... for the press bend forming path designing. Key words: aircraft integral panel; press bend forming path; neural network response surface; genetic algorithm; optimization  ......
FEM equivalent model for press bend forming of aircraft integral panel YAN Yu(阎 昱), WAN Min(万 敏), WANG Hai-bo(王海波) School of Mechanical Engineering and Automation, Beihang University... the complex forming process[3-4]. However, there are several difficulties in the FEM analysis of press bend forming process of the aluminium alloy integral panel of aircraft. Firstly, the dimensions......
bend forming of aircraft integral panel [J]. Transactions of Nonferrous Metals Society of China, 2009, 19(2): 414-424. [3] YAN Yu, WAN Min, WANG Hai-bo, HUANG Lin. Design and optimization of press... the buckling of stiffeners in the press bend forming of the integral panel, a method for solving the critical buckling load of the stiffeners in press bend forming process was proposed based on energy......
Article ID: 1003-6326(2005)02-0443-04 Finite element method simulation of shotpeening wing skin panel WU Wei(吴 为), ZENG Yuan-song(曾元松), HUANG Xia(黄 遐), LI Zhi-qiang(李志强) (Beijing Aeronautical Manufacturing Technology Research Institute, Beijing , China) Abstract: Finite element method(FEM) was used to simulate the forming process of shotpeening the wing skin panel. Experiment......
2012; accepted 15 August 2012 Abstract: In order to establish an FEM model for aircraft integral panel press bend forming process, a special simulation procedure and a calculation method for the punch... and dies was proposed. The final strain and stress state will be calculated with the simulation result of a seven-step press bend forming of a doubly curved aircraft integral panel. 2 Description......
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J. Cent. South Univ. (2012) 19: 2297-2306 DOI: 10.1007/s11771-012-1275-z Passive seismic velocity tomography on longwall mining panel based on simultaneous iterative reconstructive technique (SIRT) N... the longwall mining panel. The mining-induced microseismic events were recorded by mounting an array of receivers on the surface, above the active panel. After processing and filtering the seismic data......
Forming mechanism of three-dimensional integral fin based on flat surfaceXIANG Jian-hua(向建化)1, 2, DUAN Ji-an(段吉安)1, ZHOU Hai-bo(周海波)1, ZHANG Chun-liang(张春良)2, LIU Gui-yun(刘贵云)2, ZHOU Chao(周超)2(1...)Abstract:To improve heat-transfer performance, a novel integral three-dimensional fin-structure on the plat surface was presented to increase the evaporation efficiency. The three-dimensional fin-structure......
Electroluminescent Polymers and Carbon Nanotubes for Flat Panel Displays Liming Dai1,Oddvar Johansen1,Mei Gao1,Yongyuang Yang1,Berthold Winkler1,Shaoming Huang1,Albert W.H.Mau Zoran Vasic1,Limin...,carbon nanotubes have recently been proposed as more robust electron field emitters for flat panel displays. We have synthesised large arrays of vertically aligned carbon nanotubes, from which......
Finite element analysis of stiffness and static dent resistance of aluminum alloy double-curved panel in viscous pressure forming LI Yi(李 毅), WANG Zhong-Jin(王忠金) School of Materials Science...; Abstract: The static dent resistance performance of the aluminum alloy double-curved panel formed using......