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Tianhe Gao, Ziyu Xu, Zengcong Li, Pei Liu and Kuo Tian
As one of the most complex and critical components of spacecraft, the structural design of the curved cabin door faces two challenges. On the one hand, it is difficult to obtain innovative configurations for the cabin door in the preliminary design stage...
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Haoran Pan, Wei Li, Kaikai Luo, Rui Wang, Liesheng Xiao and Zeqing Lian
Gas fuel control valves play important roles in the control of gas flow in high-precision gas turbines. To clarify the influence of coupling between the structure and the fluid system, a thermal fluid?solid coupling mechanism is presented based on numeri...
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Geon-Ho Shin and Jang-Wook Hur
A ball screw is a mechanical part that converts rotational motion into translational motion, but when it receives an excessive axial load, permanent deformation occurs inside. As ball screws are mostly used for precise driving, permanent deformation has ...
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Diego Villa, Francesco Furcas, Jan Oscar Pralits, Giuliano Vernengo and Stefano Gaggero
A method for the morphing of surface/volume meshes suitable to be used in hydrodynamic shape optimization is proposed. Built in the OpenFOAM environment, it relies on a Laplace equation that propagates the modifications of the surface boundaries, realize...
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Yang Pan, Qi Yuan, Gongge Huang, Jiawei Gu, Pu Li and Guangyu Zhu
The purpose of this study was to investigate the characteristics of the blade tip excitation forces represented as the rotordynamic coefficients (stiffness and damping coefficients) in an unshrouded turbine using the three-dimensional computational fluid...
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Xin Jiang and Zhengfeng Bai
The dynamics of mesh reflectors are characterized by large deformation when antennas undergo a large motion in the deployment process. In this work, absolute node coordinate formulation (ANCF), with the merit of precise description of large deformation, ...
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Kwang-Leol Jeong and Se-Min Jeong
Computational fluid dynamics (CFD) is an effective tool for ship resistance prediction and hull form optimization. A three-dimensional volume mesh is essential for CFD simulation, and mesh generation requires much time and effort. Mesh deformation can re...
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Mahdi Tabatabaei Malazi, Emir Taha Eren, Jing Luo, Shuo Mi and Galip Temir
A three-dimensional T-shaped flexible beam deformation was investigated using model experiments and numerical simulations. In the experiment, a beam was placed in a recirculating water channel with a steady uniform flow in the inlet. A high-speed camera ...
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Jinbao Chen, Jiayu Dong, Zhicheng Song, Chuanzhi Chen and Jiaqi Li
In this study, a hybrid iteration force density method (HIFDM) was proposed to ensure both tension uniformity and accuracy of an antenna mesh reflector. Based on a genetic algorithm (GA), the boundary cable tension of the antenna reflector net was optimi...
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Manigandan Paneer, Josip Ba?ic, Damir Sedlar, ?eljan Lozina, Nastia Degiuli and Chong Peng
This study investigates the impact of fluid loads on the elastic deformation and dynamic response of linear structures. A weakly coupled modal solver is presented, which involves the solution of a dynamic equation of motion with external loads. The mode ...
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Hideaki Goto, Kohsaku Arai and Taichi Sato
Anaglyphs produced using a digital elevation model (DEM) are effective to identify the characteristic tectono–geomorphic features. The objective of this study is to reinvestigate the tectonic geomorphology and to present novel tectonic maps of the ...
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Panuwat Joyklad, Nazam Ali, Muhammad Usman Rashid, Qudeer Hussain, Hassan M. Magbool, Amr Elnemr and Krisada Chaiyasarn
Cement?clay Interlocking Hollow Brick Masonry (CCIHBM) walls are characterized by poor mechanical properties of bricks and mortar. Their performance is observed to be unsatisfactory under both gravity and seismic loads. There is an urgent need to develop...
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Oleg Trishevskij,Oleksii Kaliuzhnyi,Oleksandr Yurchenko,Anatoliy Avtukhov,Vladymyr Levchenko,Aleksandr Akhlestin
Pág. 21 - 28
To improve the strip rolling technology, it is important to know components of the thermal state of both the strip being rolled and the tool used, that is, rolls at each point of different layers of the strip and rolls, in any section of the deformation ...
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Xiaoqing Mei, Chajuan Liu, Xinxia Wang and Yangyang Wei
The realization of the global ?Double carbon? target is closely related to the energy-saving travel of human beings. Along with the increase in the number of new energy vehicles around the world, the number of new energy vehicle charging post carports ha...
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Qi Liu, Juanmian Lei, Yong Yu and Jintao Yin
The bending deformation can affect the lateral force of spinning projectiles with large aspect ratios, thus interfering with their flight stability. Based on the established spin?deformation coupling motion model, the unsteady Reynolds averaged Navier?St...
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Xiufei Wang, Kun Liu, Mingcai Xu and Hewei Liu
In this study, a common cruciform structure in ship hulls was designed and experimented with in order to analyze its deformation characteristics under planar collision and quasi-static loading. The mechanical parameters of the materials were determined b...
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Chiemela Victor Amaechi, Cole Chesterton, Harrison Obed Butler, Zewen Gu, Agbomerie Charles Odijie, Facheng Wang, Xiaonan Hou and Jianqiao Ye
Currently, the properties of composites have been harnessed on pipelines in the marine offshore industry. In this study, marine bonded composite hose (MBCH) is presented. It is aimed at understanding the stress/strain distribution on marine bonded hoses ...
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Pengfei Du, Xi Zhao, Zhidong Zhang, Xiaoyan Sun and Gang Du
Cold-formed steel (CFS) structures are widely used in construction and infrastructure due to their lightweight and high-strength properties. However, their thin-walled nature makes them geometrically sensitive to compressive loading. The Digital Twin (DT...
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Ryu-Gap Lim, Wan-Soo Kim, Young-Woo Do, Md. Abu Ayub Siddique and Yong-Joo Kim
In this study, a model of the frame-type ROPS (rollover protective structure) for an agricultural tractor was developed using FEA (finite-element analysis). Various boundary conditions were applied as input variables to replace the actual test of the ROP...
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Hassan Al-Budairi, Zhiwei Gao and Andrew Steel
Low-energy rockfall catch fences are designed to protect infrastructure such as railways and roads wherein the kinetic energy of falling rocks is less than 100 kJ. The typical design consists of a double-twisted steel wire mesh supported by ground posts ...
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