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Yanbin Wang, Deli Gao and Chenyu Meng
It is important to accurately assess the interaction between the conductor and the soil to ensure the stability of the subsea wellheads during deepwater drilling. In this paper, numerical simulations were carried out to study the lateral dynamic bearing ...
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Bo Wang, Tao Wu, Huijuan Dai and Guoliang Bai
This paper presents the numerical investigation on the seismic performance of a steel?concrete hybrid structure consisting of reinforced concrete (RC) tubular columns and steel braced truss with A-shaped steel frames, which is a novel supporting structur...
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Minglin Chen, Bo Huang, Zhiying Yang, Qingyang Ren and Bing Zhu
At present, box-girder superstructures are commonly used in coastal bridges, and their hydrodynamic performance under extreme waves such as tsunamis has attracted a lot of attention. There is a lack of research focusing on the effect of lateral restraini...
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Tomasz Goetzendorf-Grabowski and Agnieszka Kwiek
The article presents a study on the influence of aerodynamic model fidelity on dynamic characteristics. The Simulation and Dynamic Stability Analysis (SDSA) package was used to calculate the dynamic characteristics, using both eigenvalues (linearized mod...
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Feilong Li, Jianjun Luo, Dengke Wang and Lei Wang
The characteristics of the aerodynamic effects of high-speed trains passing in a shield tunnel were studied using the three-dimensional, compressible, unsteady Reynolds-averaged Navier-Stokes (RANS) equations for the simulation analysis. Numerical calcul...
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Xiaotian Zhang, Ruiqing Wang, Xiaogang Li, Chengyang Lu, Zhengkang Wang and Wenlong Wang
Bolted flange joints are widely used in engineering structures. Sunk screw connection structures commonly used in small rockets and missiles exhibit significant nonlinear characteristics when subjected to forces. In this article, a study of the dynamic c...
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Md Motiur Rahman, Tahmina Tasnim Nahar and Dookie Kim
This paper investigates the performance of tuned mass damper (TMD) and dynamic behavior of TMD-controlled concrete structure considering the ground motion (GM) characteristics based on frequency content. The effectiveness of TMD in reducing the structura...
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Dongyang Yu, Jianfei He, Feihu Peng, Cheng Qian, Ying Zang, Minghua Zhang, Wenwu Yang, Guoxiang Zeng, Jianpeng Chen, Wei Qin and Zaiman Wang
To elucidate the vibrational characteristics of power chassis in paddy fields, we examined the Yanmar VPG6G rice transplanter across diverse terrains, including paddy fields, dry land, and concrete roads. Vibrational acceleration measurements, taken in l...
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Lixin Wang, Chang Lu, Tao Jin, Hailiang Liu and Ting Yue
Using a nonlinear pilot-induced oscillation prediction method based on digital virtual flight simulation calculations, digital experiments on predicting lateral-directional nonlinear pilot-induced oscillations due to landing configuration switching of fl...
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Fei Ren, Ansheng Li, Guiqin Shi, Xiaoling Wu and Ning Wang
In the presence of manufacturing errors, the dynamic properties of herringbone planetary gear train (HPGT) can be altered from the originally designed properties to have undesired behavior. In this paper, by considering the herringbone gear actual struct...
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Dongxu Liu, Changchuan Xie, Guanxin Hong and Chao An
In this paper, multibody dynamic modeling and a simulation method for the wingtip-jointing process of a new-concept composite aircraft system are investigated. When the wingtips of two aircraft are jointed, the resultant wingtip-jointed aircraft is regar...
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Bhimashankar Gurav, John Economou, Alistair Saddington and Kevin Knowles
Linear first/second order fin direct current (DC) actuator model approximations for missile applications are currently limited to angular position and angular velocity state variables. Furthermore, existing literature with detailed DC motor models is dec...
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Bhimashankar Gurav, John Economou, Alistair Saddington and Kevin Knowles
Linear first/second order fin direct current (DC) actuator model approximations for missile applications are currently limited to angular position and angular velocity state variables. Furthermore, existing literature with detailed DC motor models is dec...
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Ivan Kostic, Aleksandar Simonovic, Olivera Kostic, Du?an Ivkovic and Dragoljub Tanovic
This paper presents the second stage of a tandem fixed-wing unmanned aerial vehicle (UAV) aerodynamic development. In the initial stage, the UAV was optimized by analyzing its characteristics only in symmetrical flight conditions. Posted requirements wer...
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Mohsen Rostami, Julian Bardin, Daniel Neufeld and Joon Chung
In considering aircraft design, it is very important to effectively size the tail configuration for stability and control. Multidisciplinary design optimization (MDO) focuses on the use of numerical optimization in the design of systems with multiple sub...
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Zhiyi Wang, Chuanzhi Chen, Jinbao Chen and Guang Zheng
In this paper, a novel 3D (three-dimensional) soft-landing dynamic theoretical model of a legged lander is developed in detail as well as its numerical solution process. The six degrees of freedom motion (6-DOF) of the base model of the lander with mass ...
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Quanjie Zhu, Longkun Sui, Yongming Yin, Jinhai Liu, Zhenhua Ouyang and Dacang Wang
Monitoring and providing warnings for coal mine rockburst disasters is a worldwide problem. Several rockburst accidents have occurred in a 1301 belt transport chute near a 1300 fully mechanized caving mine face. To address this issue, an empirical study ...
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Soo-Min Kim, Dae W. Kim and Moon K. Kwak
The membrane-type air spring can be used to suppress lateral vibration of a vibration isolation table. However, compared to voice coil actuators, pneumatic actuators are difficult to use for precise vibration control, because servo valves have nonlinear ...
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Gustavo Santana Barbosa, Gustavo Gonçalves Garcia, Rui Paulo Bento Pena dos Reis, Antônio Jorge Vasconcellos Garcia and Gabriel de Alemar Barberes
The present article exhibits the achieved results based on the evaluation of two petroleum systems, which compares reservoirs of fluvial environments of sedimentary basins located in the south and north Atlantic, in Brazil (Recôncavo Basin) and in Portug...
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Tharindu Malinga Abeysiriwardena, Kushan Kalmith Wijesundara and Roberto Nascimbene
The assessment of seismic risk for critical and strategic structures like schools and hospitals remains crucial, even in regions with low seismic activity. Presently, operational school buildings in Sri Lanka are primarily designed to handle gravitationa...
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