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| 1 | Cost Optimization Method of Large-scale Prestressed Wire Winded Framework on Multiple-island Genetic Algorithm显示文摘对的电线弯屈的框架(PWWF ) 在大规模设备是先进结构和最昂贵的部分。PWWF 的传统的设计是复杂的、高度反复、花费 uncontrolable 因为 PWWF 是可变僵硬多代理人结构,与非线性的装载和变丑协作。在这份报纸,由多重岛的基因算法(MIGA ) 的大规模 PWWF 的费用优化方法被介绍。优化设计流动和优化模型基于弯屈理论的可变紧张的电线被建议。有 6 000 kN 被给的轴的负担的均衡说的设备的 PWWF 费用优化的一个例子。优化费用被 21.6% 与传统的设计相比减少。它被有限元素的分析也验证了并且成功地适用于均衡说的出版社的一个实际 PWWF 图案。结果证明这个方法有效、可靠。这个方法能也为 546 MN 和 907 MN 均衡说的出版社设备的极端大的尺寸 muti 框架结构为最佳的设计提供一个指南。 | LI Huili LANG Lihui ZHANG Jianyong YANG Huai | 2011 | Chinese Journal of Aeronautics2011，24，5： | 3 |
| 2 | Mechanics analysis of axisymmetric thin-walled part in warm sheet hydroforming显示文摘To obtain the influence of fluid pressure and temperature on warm hydroforming of5A06-O aluminum alloy sheet, the unified mechanics equilibrium equations, which take throughthickness normal stress and friction into account, were established in spherical coordinate system.The distribution of through-thickness normal stress in the thickness direction was determined. The relation between through-thickness normal stress and fluid pressure was also analyzed in different regions of cylindrical cup. Based on the method of subtracting one increasing function from another, the constitutive equation of 5A06-O applied to warm hydroforming was established and in a good agreement with uniaxial tensile data. Based on whether the thickness variation was taken into account, two mechanic models were established to do the comparative study. The results for the studied case show that the calculated stress values are pretty close according to the two models and consistent with results of finite element analysis; the thickness distribution in flange computed by the second model conforms to the experimental data. Finally, the influences of fluid pressure on the flange thickness and radial stress were analyzed. | Yang Xiying Lang Lihui Liu Kangning Liu Baosheng | 2015 | Chinese Journal of Aeronautics2015，28，5： | 2 |
| 3 | Evaluation of triage strategies for high-risk human papillomavirus-positive women in cervical cancer screening:A multicenter randomized controlled trial in different resource settings in China显示文摘Objective:We aimed to evaluate the effectiveness of different triage strategies for high-risk human papillomavirus(hrHPV)-positive women in primary healthcare settings in China.Methods:This study was undertaken in 11 rural and 9 urban sites.Women aged 35-64 years old were enrolled.HrHPV-positive women were randomly allocated to liquid-based cytology(LBC),visual inspection with acetic acid and Lugol’s iodine(VIA/VILI)(rural only)triage,or directly referred to colposcopy(direct COLP).At 24 months,hrHPV testing,LBC and VIA/VILI were conducted for combined screening.Results:In rural sites,1,949 hrHPV-positive women were analyzed.A total of 852,218 and 480 women were randomly assigned to direct COLP,LBC and VIA/VILI.At baseline,colposcopy referral rates of LBC or VIA/VILI triage could be reduced by 70%-80%.LBC(n=3 and n=7)or VIA/VILI(n=8 and n=26)could significantly decrease the number of colposcopies needed to detect one cervical intraepithelial neoplasia(CIN)2 or worse and CIN3+compared with direct COLP(n=14 and n=23).For the 24-month cumulative detection rate of CIN2+,VIA/VILI triage was 0.50-fold compared with LBC triage and 0.46-fold with the direct COLP.When stratified by age,baseline LBC triage+performed best(P<0.001),peaking among women aged 35-44 years(Ptrend=0.002).In urban sites,1,728 women were hrHPV genotyping test positive.A total of 408,571 and 568women were randomly assigned to direct COLP for HPV16/18+,direct COLP for other hrHPV subtypes+,and LBC triage for other hrHPV subtypes+.LBC(n=12 and n=31)significantly decreased the number of colposcopies needed to detect one CIN2+and CIN3+compared with direct COLP(n=14 and n=44).HPV16/18+increased the 24-month cumulative detection rate of CIN2+(17.89%,P<0.001).Conclusions:LBC triage for hrHPV-positive women in rural settings and direct COLP for HPV16/18+women and LBC triage for other hrHPV subtype+women in urban settings might be feasible strategies. | Le Dang Linghua Kong Yuqian Zhao Yi Dai Li Ma Lihui Wei Shulan Zhang Jihong Liu Mingrong Xi Long Chen Xianzhi Duan Qing Xiao Guzhalinuer Abulizi Guonan Zhang Ying Hong Qi Zhou Xing Xie Li Li Mayinuer Niyazi Zhifen Zhang Jiyu Tuo Yiling Ding Youlin Qiao Jinghe Lang | 2022 | Chinese Journal of Cancer Research2022，34，5： | 2 |
| 4 | FEM-based strain analysis study for multilayer sheet forming process显示文摘纤维金属把压成薄片比有许多优点传统把压成薄片(例如,没有合成织物表的失败的风险,纤维的任何类型和树脂材料能被放在任何地方在金属性的层之间) 。而且,严格地控制在纤维金属的力量把压成薄片的温度和穿孔机的进程要求也是不比那些在紧的传统把压成薄片。为了推进,探索新奇方法,这研究进行一个有限元素基于方法(女性底) 由使用 3A 方法的多层的空白上的紧张分析。象起皱和骨折那样的不同形成模式被使用试验性、数字的研究讨论。Hydroforming 被用于多层的形成。Barlat 2000 收益标准和 DYNAFORM/LS-DYNA 被用于模拟。最佳的进程参数根据固定死文件夹差距和可变的洞压力被决定。这研究的结果将在使用 3A 方法形成的多层的结构的力学上提高知识并且扩展它的商业应用。 | Rongjing ZHANG Lihui LANG Rizwan ZAFAR | 2015 | Frontiers of Mechanical Engineering2015，10，4： | 2 |
| 5 | Investigation into the preforming' s effect during multi-stages of tube hydroforming of aluminum alloy tube by using useful wrinkles 显示文摘 | Lang Lihui Li Huili Yuan Shijian | 2009 | Journal of Materials Processing Technology2009，209，5： | 1 |
| 6 | Development and trends of the pipe hydroforming in auto industry 显示文摘 | Lang Lihui Yuan Shijian Wang Zhongren | 2004 | Me?chanical Engineering of China2004，15，3： | 1 |
| 7 | Remote real-time CNC maching for web-based manufacturing显示文摘 | Lihui Wang Peter Orban Andrew Cuninggham Sherman Lang | 2004 | Robotics and Computer-Integrated Manufacturing2004，20，： | 1 |
| 8 | Investigation into the forming of a complex cup locally constrained by a round die based on an innovative hydromechanical deep drawing method显示文摘 | LANG Lihui JOACHIM DAMCKERT | 2005 | Materials Processing Technology2005，167，： | 1 |
| 9 | Mumerical simulation of wrinkling in hydroforming of aluminum alloy tubes显示文摘 | YUAN Shijian LIU Gang LANG Lihui | 2003 | Transaction of Nonferrous Metals Society of China2003，13，1： | 1 |
| 10 | Studyon hydromechanical deep drawing with uniform pressure ontothe blank 显示文摘 | Lihui Lang Joachim Danckert? Karl Brian Nielsen | 2004 | International Journal of Machine Tools Ma-ufacture* 20042004，，： | 1 |
| 11 | A new scattering similarity based metric for ship detection in polarimetric synthetic aperture radar image显示文摘A new paradigm for ship detection in polarimetric synthetic aperture radar(Pol-SAR)image is presented.We firstly utilize the scattering similarity parameters to investigate the differences of scattering mechanism between ships and sea clutter.Based on these differences,we propose a novel ship detection metric,denoted as the scattering similarity based metric(SSM),to conduct ship detection task.The distribution model of SSM metric is investigated and modeled by kernel density estimation(KDE).Based on the statistical distribution,an adaptive constant false alarm rate(CFAR)detection scheme is implemented.We compare the proposed SSM with two classic polarimetric metrics,i.e.,the polarimetric cross-entropy(PCE)and the reflection symmetry metric(RSM).The experimental results conducted on C-band RADARSAT-2 Pol-SAR data demonstrate the feasibility and advantage of the proposed SSM metric both in sea clutter modeling and in ship detection. | Haitao Lang Yunhong Tao Lihui Niu Hongji Shi | 2020 | Acta Oceanologica Sinica2020，39，5： | 1 |
| 12 | Mumerical simulation of wrinkling in hydroforming of aluminum alloy tubes显示文摘 | YUAN Shijian LIU Gang LANG Lihui | 2003 | Transaction of Nonferrous Metals Society of China2003，13，1： | 1 |
| 13 | Study on hydromechanical deep drawing with uniform pressure onto the blank 显示文摘 | Lihui Lang Joachim Danckert Karl Brian Nielsen | 2004 | International Journal of Machine Tools & Manufacture2004，44，18： | 1 |
| 14 | Analysis of key parameters in sheet hydroforming combined with stretching forming and deep drawing 显示文摘 | Lang Lihui Danckert J Nielsen K B | 2004 | Journal of Engineering Manufacture Proceedings of the IMechE Part B2004，218，： | 1 |
| 15 | Hydro Mechanical Deep--drawing of Aluminum Parabolic Work Pieces--experiment s and Numeri- cal Simulation显示文摘 | Zhang Shihong Lang Lihui Kang Dachang | 2000 | International Journal of Machine Tools and Manaufacture2000，40，10： | 1 |
| 16 | Investigation onthe effect of through thickness normal stress on forming limit at ele-vated temperature by using modified M - K model 显示文摘 | Lihui Lang Gaoshen Cai Kangning Liu | 2015 | Interna-tional journal of Material Forming2015，8，2： | 1 |
| 17 | Numerical simulation of wrinkling in hydroforming of aluminum alloy tubes显示文摘 | YUAN Shijian LIU Gang LANG Lihui | 2003 | Transactions of Nonferrous Metals Society of China2003，13，1： | 1 |
| 18 | Remote real-time CNC machining for web-based manufacturing 显示文摘 | Lihui Wang Peter Orban Andrew Cunninghanm Sherman Lang | 2004 | Robotics and Computer-Integrated Manufacturing2004，20，6： | 1 |
| 19 | Research on theeffect of flow stress calculation on aluminum alloy sheet deformationbehavior based on warm bulging test 显示文摘 | Gaoshen Cai Lihui Lang Kangning Liu | 2015 | Metals and Materials In-ternational2015，21，2： | 1 |
| 20 | Hot deformation behavior and strain compensation constitutive model of equiaxed fine grain diffusion-welded micro-duplex TC4 titanium alloy显示文摘In this work,two-stage diffusion bonding of micro-duplex TC4 titanium alloy was car-ried out to study the flow behavior and constitutive models of the bonding joint and the base metal after the same thermal cycling during the hot forming process.Microstructure and mechanical properties test were used to verify the good quality of the equiaxed fine grain diffusion-welded TC4 alloy.Quasi-static tensile experiment was carried out at temperatures ranging from 750–900℃and strain rates of 0.0001–0.1 s^(-1).The joint showed the weak dynamic recovery at strain rates of 0.01–0.1 s^(-1)and temperatures of 750–850℃.At strain rates of 0.0001–0.001 s^(-1)and tempera-tures of 850–900℃,the flow stress of joint presented steady-state characteristics.Different defor-mation conditions lead to the remarkable difference of dynamic softening performance between the joint and heat-treated base metal,but the flow stress in elastic and strain hardening stages exhibited similar behavior.The strain compensated Arrhenius-type constitutive models of TC4 joint and heat-treated base metal were developed respectively.The fifth-order polynomial functions between the material property correlation coefficients and strain were obtained.The models have shown good correlation,with correlation coefficient values of 0.984 and 0.99.The percentage average absolute relative error for the models were found to be 10%and 9.46%,respectively. | Can LI Imran SARDAR MUHAMMAD Lihui LANG Yingjian GUO Xiaoxing LI Sergei ALEXANDROVA Dexin ZHANG | 2023 | Chinese Journal of Aeronautics2023，36，4： | 1 |
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