共搜索到76条信息,每页显示10条信息,共8页。用时:0小时0分0秒640毫秒
: As the application of energy-absorption structure reaches an unprecedented scale in both academia and industry, a reflection upon the state-of-the-art developments in the crashworthiness design and structural optimization, becomes vital for successfully shaping the future energy-absorption structure. Physical impacting test and numerical simulation are the main methods to study the crashworthiness of railway......
J. Cent. South Univ. (2016) 23: 3040-3050 DOI: 10.1007/s11771-016-3367-7 Crushing analysis and multiobjective crashworthiness optimization of bitubular polygonal tubes with internal walls LI Jian(李健... structure has been extensively used as energy absorber in crashworthiness design of train. With the help of energy absorber, collision kinetic energy can be controllably dissipated by the plastic......
Contrastive analysis and crashworthiness optimization of two composite thin-walled structuresXIE Su-Chao(谢素超)1, ZHOU Hui(周辉)1, 2, LIANG Xi-feng(梁习锋)1, REN Xin(任鑫)1(1. Key Laboratory of Traffic Safety... when the two structures reach optimum SEA and REAF.Key words:contrastive analysis; crashworthiness optimization; composite structure; Kriging surrogate model; finite element analysis......
energy absorption of the hexagonal inner tube is the highest, followed by the circular, octagonal and square ones.Key words:bitubular tube; diaphragm; energy absorption; crashworthiness......
Engineering, Central South University), Changsha 410075, China Central South University Press and Springer-Verlag Berlin Heidelberg 2017 Abstract: In order to improve the crashworthiness of thin-walled.... Key words: bitubular hexagonal column; axial crushing; crashworthiness optimization; global sensitivity analysis 1 Introduction Thin-walled metal columns are widely applied as energy absorber......
J. Cent. South Univ. (2020) 27: 621-628 DOI: https://doi.org/10.1007/s11771-020-4321-2 Crashworthiness of innovative hexagonal honeycomb-like structures subjected to out-of-plane compression WANG... Abstract: Seeking for innovative structures with higher mechanical performance is a continuous target in railway vehicle crashworthiness design. In the present study, three types of hexagonal reinforced......
J. Cent. South Univ. (2019) 26: 2729-2745 DOI: https://doi.org/10.1007/s11771-019-4209-1 Crashworthiness optimization design of foam-filled tapered decagonal structures subjected to axial... and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: In this research, crashworthiness of polyurethane foam-filled tapered decagonal structures with different ratios of a/b=0, 0.25, 0.5......
J. Cent. South Univ. (2020) 27: 2763-2775 DOI: https://doi.org/10.1007/s11771-020-4497-5 Crashworthiness design and experimental validation of a novel collision post structure for subway cab cars... to improve the crashworthiness of subway cab cars. The structure provides two innovative features: 1) a simpler connection between the post and the car roof, which gives a more reasonable load......
J. Cent. South Univ. (2018) 25: 632-645 DOI: https://doi.org/10.1007/s11771-018-3766-z Crashworthiness of double-cell conical tubes with different cross sections subjected to dynamic axial... in automobile industries to improve structural safety. The present work deals with the collapse behavior of double-cell conical tubes subjected to dynamic axial and oblique loads. Crashworthiness......
Optimizing crashworthiness design of square honeycomb structureLI Meng(李萌), DENG Zong-quan(邓宗全), GUO Hong-wei(郭宏伟), LIU Rong-qiang(刘荣强), DING Bei-chen(丁北辰) (School of Mechatronics Engineering... the crashworthiness of thin-walled structures. In order to find the most optimized metal square honeycomb structure with the maximum SEA and the lowest peak stress, the cell length and the foil thickness......