根据学校“强地、扬信、拓天”的发展战略,北京理工大学宇航学院于2008年12月30日正式组建。学院主要由具有悠久历史的航空宇航科学与技术和力学两个学科组成,航空宇航学科始建于 1957年,最初由火箭弹设计、推进剂及火工和制导专业组成。随后经过发展和调整,于1961年成立新的第一机械系,即飞行... [详细]
作者: Tang, Tiantian1; Zhou, Wenxiang1; Luo, Kai1; Tian, Qiang1; Hu, Haiyan1 (1School of Aerospace Engineering, Beijing Institute of Technology, Beijing, 100081, China)
出处: Journal of Sound and Vibration 2024
作者: Gao,Ai12;Lu,Siyao12;Xu,Rui12;Li,Zhaoyu12;Wang,Bang12;Zhu,Shengying12;Gao,Yuhui3;Pan,Bo4; (1Institute of Deep Space Exploration, Beijing Institute of Technology, Beijing, Beijing, 100081, China;2Key Laboratory of Autonomous Navigation and Control for Deep Space Exploration (Beijing Institute of Technology), Ministry of Industry and Information Technology, Beijing, 100081, China;3Key Laboratory of Science and Technology on Aerospace Flight Dynamics, Beijing Aerospace Control Center, Beijing, Beijing, 100094, China;4Beijing Institute of Spacecraft Engineering, Beijing, Beijing, 100094, China)
出处: Engineering Applications of Artificial Intelligence 2024 Vol.127
摘要: The unmanned lunar rover is essential for lunar exploration and construction. Executing environment differ from what humans get since communication ne ...
作者: Liu,Jiahao12;Yang,Xiufeng3;Zhang,Zhilang4;Liu,Moubin12; (1College of Engineering, Peking University, Beijing, 100871, China;2Joint Laboratory of Marine Hydrodynamics and Ocean Engineering, Laoshan Laboratory, Qingdao, 266237, China;3School of Aerospace Engineering, Beijing Institute of Technology, Beijing, 100081, China;4Department of Mechanical and Process Engineering, ETH Zürich, Zürich, 8092, Switzerland)
出处: Computer Physics Communications 2024 Vol.295
摘要: The dynamic failure process of structures under extreme loadings is very common in many fields of engineering and science. The smoothed particle hydro ...
作者: Rui Qi1;,Yang Zhang1;,Krishna D.Kumar2,3; (1the School of Aerospace Engineering, Beijing Institute of Technology;2IEEE;3the Department of Aerospace Engineering, Ryerson University)
出处: IEEE/CAA Journal of Automatica Sinica 2023 第10卷 第1期 P278-280
摘要: Dear Editor, A microgravity environment in space, the elasticity of the tether,and complex flexible appendages make the tethered-towing system a nonli ...
作者: Hanjiang Chang,Qiang Tian,Haiyan Hu (School of Aerospace Engineering Beijing Institute of Technology;China Academy of Launch Vehicle Technology)
出处: Computer Modeling In Engineering&Sciences 2023 第7期
关键词: DMS-splines;reproducing;kernel;kirchhoff-love;shell;C1;continuity;multibody;system;dynamics
摘要: To model a multibody system composed of shell components,a geometrically exact Kirchhoff-Love triangular shell element is proposed.The middle surface ...
作者:
Chuang Xu1;Huashi Yang1;Yunsheng Zhan1;Rui Dai1;Chunying Dong1;
出处: Computer Methods in Applied Mechanics and Engineering 2023 Vol.403 Part A P115725
关键词: Thermoelastic-viscoelastic Thermoelastic–viscoelastic problems;RI-IGABEM;Modified TRM;Adaptive integral method;Non-conforming interface coupling
摘要: In this paper, a novel non-conforming coupling radial integration IGABEM (RI-IGABEM) is proposed to solve the multidimensional and multiscale thermoel ...
作者: 杨尧,李传军,史永清,李兴城 (北京理工大学宇航学院)
出处: 电子信息对抗技术 2023 第38卷 第1期 P30-36
关键词: 卫星导航信号;快速捕获;混叠;稀疏傅立叶变换
摘要: 卫星导航接收机中捕获阶段的用时直接影响了接收机的首次定位时间(Time to First Fix, TTFF),许多场景对卫星导航接收机的捕获速度提出了更高的要求。基于稀疏傅立叶变换(Sparse Fourier Transform, SFT)的卫星导航信号快速捕获算法利用捕获相关值的稀疏特性,通过 ...
作者: 孟繁敏1;,马诺1;,马文朝1;,孟军辉1,2;,李文光1; (1北京理工大学宇航学院;2北京理工大学飞行器动力学与控制教育部重点实验室)
出处: 航空学报 2023 第44卷 第2期 P228-242
关键词: 充气翼;动力学特性;湿模态;附加质量-刚度法;地面振动试验
摘要: 参考气动弹性剪裁思想,通过将充气翼内部气梁沿展向偏转一定角度设计一种新型斜掠气梁充气翼。针对充气翼结构动力学特性研究需要对考虑周围空气影响的湿模态进行分析,在考虑空气附加质量影响和流场对于系统刚度贡献的前提下,发展了一种针对柔性充气结构湿模态快速建模分析的附加质量-刚度法。在柔性充气管算例验证了所提 ...
作者: 荣吉利1;,刘东兵1,2;,赵自通1;,韦振乾1; (1北京理工大学宇航学院;2兰州空间技术物理研究所)
出处: 北京理工大学学报 2023 第43卷 第1期 P18-26
关键词: 铝蜂窝夹芯结构;抗爆性能;基准模型;代理模型;多目标优化
摘要: 利用CONWEP计算模型对铝蜂窝夹芯结构的抗爆性能进行了有限元分析,以背板最大变形和夹芯层比吸能作为抗爆性能指标,根据不同基体材料的组合结构建立了铝蜂窝夹芯结构的基准模型.基于基准模型,定量研究了铝蜂窝夹芯结构各部分结构参数和蜂窝胞元类型对其抗爆性能的影响规律.结果表明面板材料采用Al2024T35 ...
作者: 王小宁1;,魏志军1;,金钰晨1;,朱佳佳2;,龚笋根3; (1北京理工大学宇航学院;2西安近代化学研究所;3昆明船舶设备集团有限公司)
出处: 推进技术 2023 第44卷 第1期 P258-269
关键词: 激光辐射;复合推进剂;低压燃烧特性;激光助燃;自持燃烧
摘要: 为了研究激光辐射对AP/HTPB复合推进剂低压燃烧的作用机理,建立二维三明治稳态燃烧模型进行数值仿真研究。针对激光辐射强度1.4W/mm~2,压强30~90kPa的工况下推进剂的燃烧进行仿真计算,并与130~160kPa压强下自持燃烧的仿真结果进行差异分析。结果表明,激光助燃工况下,仿真计算所得燃速 ...