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NX WAVE技术在飞行器模型建模中的应用张春燕1,车晨寅1,马其华21. 上海工程技术大学机械工程学院2. 上海工程技术大学汽车工程学院摘 要:通过对NX WAVE技术的研究,以飞行器为例进行全参数,相关性设计.介绍了NX系统中自顶向下的建模方法,并探讨复杂模型建模过程中对于几何体参数控制的方法,使得相对复杂的装配体得到有效的尺寸控制,可以解决复杂设计中尺寸难以修改的难题,避免了重复设计,缩短了更改设计时间,并使得并行工程优势得到充分的发挥,提高了设计效率.关键词:NX WAVE;飞行器模型;并行设计;结构控制;......
J. Cent. South Univ. (2020) 27: 963-972 DOI: https://doi.org/10.1007/s11771-020-4344-8 Dynamic response and failure of rock in initial gradient stress field under stress wave loading WENG Lei(翁磊)1... stress wave in rock mass under gradient stress field was theoretically derived. By using an implicit to explicit solution method in LS-DYNA code, the dynamic mechanical behaviors of rock in gradient......
A 2-D mesoscopic model for the evaluation of creep damage induced by void growth in polycrystalline metalsKimiaki YOSHIDA摘 要:At elevated temperature,creep... parameter for the evaluation of creep damage level of structural materials operating at high temperature.In this paper,a 2-D numerical simulation method was developed for analyzing the void fraction......
Contact Analysis and Modeling of Standing Wave Linear Ultrasonic Motor时运来State Key Laboratory of Mechanics and Control of Mechanical Structure,Nanjing University of Aeronautics & AstronauticsDigital... mechanics between the stator and slider of the standing wave linear ultrasonic motor was presented. The proposed model starts from the assumption that the vibration characteristics of the stator......
J. Cent. South Univ. (2020) 27: 3188-3201 DOI: https://doi.org/10.1007/s11771-020-4472-1 Reflection of thermo-elastic wave in semiconductor nanostructures nonlocal porous medium HASHMAT Ali1, ADNAN... longitudinal waves and an independent shear vertical wave exist in the medium which is dispersive in nature. It is seen that longitudinal waves are damped, and shear wave is un-damped when angular......
J. Cent. South Univ. (2012) 19: 2604-2610 DOI: 10.1007/s11771-012-1317-6 Seismic effort of blasting wave transmitted in coal-rock mass associated with mining operation CAO An-ye(曹安业)1, DOU Lin..., by using spread velocities, amplitudes and frequency contents as the main analysis parameters. The results show that the average P-wave velocity, mean values of combined maximal amplitudes......
Verification of topological relationship in 2-D grain growth process by simulationChao Wang, Guoquan Liu, Ya Sun, and Xiangge QinMaterials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正> Behaviors of the quasi-steady state grain size distribution and the corresponding topological......
J. Cent. South Univ. Technol. (2011) 18: 438-443 DOI: 10.1007/s11771-011-0715-5 Attenuation of wave propagation in a novel periodic structure ZHENG Ling(郑玲)1, LI Yi-nong(李以农) 1, A. BAZ2 1. State... University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: A novel periodic mount was presented. A theoretical model was developed to describe the dynamics of wave propagation......
density resistivity method based on 2-D exploration data and its application DAI Qian-wei, XIAO Bo, FENG De-shan, LIU Hai-fei, WANG Peng-fei (School of Geosciences and Info-Physics, Central South University, Changsha 410083, China) Abstract: Based on the fact that the 2-D date processing adopted by the high density resistivity method regards the geological structures as two degrees, which makes......
; 文章编号:1672-7207(2015)08-2892-06 2-D direction finding method based on correlation Toeplitz pretreatment SI Weijian1, WU DI1, HAN Huilian2 (1. College of Information and Communication Engineering... that the direction finding performance of classical multiple signal classification (MUSIC) algorithm declines sharply in the presence of coherent signals, a 2-D direction finding method based......
