|
|
|
|
|
Suiji Wang
An anastomosing river is a stable multiple-channel system separated by inter-channel wetlands, and there are serious difficulties in observing the hydrodynamics of such river patterns in situ. Therefore, there are few reports on the hydrodynamic data of ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ning Hu, Gangchen Sun, Feng Liu, Bai Yang and Hailing Li
In order to study the influence of falling rock shapes on their rolling characteristics and to determine the optimization of falling rock protection design, a series of research experiments were conducted. Model experiments were designed to explore the r...
ver más
|
|
|
|
|
|
|
|
|
|
|
Grigorios Kostopoulos, Konstantinos Stamoulis, Vaios Lappas and Stelios K. Georgantzinos
This study explores the shape-morphing behavior of 4D-printed structures made from Polylactic Acid (PLA), a prominent bio-sourced shape-memory polymer. Focusing on the response of these structures to thermal stimuli, this research investigates how variou...
ver más
|
|
|
|
|
|
|
|
|
|
|
Radu Drobot, Aurelian Florentin Draghia, Nicolai Sîrbu and Cristian Dinu
Droughts are natural disasters with a significant impact on the economy and social life. Prolonged droughts can cause even more damage than floods. The novelty of this work lies in the definition of a synthetic drought hydrograph (SDH) which can be deriv...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shamaila Samreen, Muhammad Sarfraz, Nabila Jabeen, Saad Althobaiti and Abdullah Mohamed
A key technique for modeling 2D objects is built using a Bézier-like rational quadratic trigonometric function with two form parameters. Since they are generated employing weights, the suggested rational quadratic trigonometric spline curve schemes are h...
ver más
|
|
|
|
|
|
|
|
|
|
|
Allison Lynne Horner, Aaron Christopher Hall and James Francis McCloskey
A design of experiments approach was used to describe process parameter?spray pattern relationships in the Twin Wire Arc process using zinc feed stock in a TAFA 8835 (Praxair, Concord, NH, USA) spray torch. Specifically, the effects of arc current, prima...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xing Wang, Yang Wu, Jie Cui, Chang-Qi Zhu and Xin-Zhi Wang
The particle shape of coral sand is a crucial factor that affects its accumulation characteristics. Two-dimensional particle images of coral sand with different particle sizes were obtained through optical imaging, and the basic size parameters of partic...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fan Liu, Xiaomin Ji, Gang Hu and Jing Gao
In this paper, a new parameterized surface, termed SQ-Coons surface, is proposed according to the build mode of Coons patch. The surface is always interpolated to the boundary curves, and its shape details could be controlled by the shape parameters in C...
ver más
|
|
|
|
|
|
|
|
|
|
|
Nelli Ismailova,Valentyn Bogach,Borys Lebedev
Pág. 17 - 22
This paper reports a technique for constructing a geometric shape of the surface of contact between the interacting conjugated machine elements using computer technology. A subprogram has been developed in the MATLAB software package.The comprehensive so...
ver más
|
|
|
|
|
|
|
|
|
|
|
J. D. Tamayo-Quintero, J. B. Gómez-Mendoza and S. V. Guevara-Pérez
Objective: This study aims to introduce and assess a novel AI-driven tool developed for the classification of orthodontic arch shapes into square, ovoid, and tapered categories. Methods: Between 2016 and 2019, we collected 450 digital dental models. Appl...
ver más
|
|
|
|
|
|
|
|
|
|
|
Younés Noutfia and Ewa Ropelewska
An in-depth determination of date fruit properties belonging to a given variety can have an impact on their consumption, processing, and storage. The objective of this study was to characterize date fruits of the ?Mejhoul? variety using (i) objective and...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jianfeng Ma, Tongtong Liu, Chunqing Zha and Liuyang Song
The gear is one of the important parts of a rotary gearbox. Once catastrophic gear failure occurs, it will cause a great threat to production and life safety. The crack is an important failure factor causing changes in time-varying stiffness and vibratio...
ver más
|
|
|
|
|
|
|
|
|
|
|
G. Throneberry, M. Hassanalian and A. Abdelkefi
In this work, seven wings inspired from insects? wings, including those inspired by the bumblebee, cicada, cranefly, fruitfly, hawkmoth, honeybee, and twisted parasite, are patterned and analyzed in FlapSim software in forward and hovering flight modes f...
ver más
|
|
|
|
|
|
|
|
|
|
|
Liming Zhang, Xingyu Zhou, Jijia Sun, Peiyin Jiang, Zhihao Lu and Cheng Cheng
The stimulated reservoir volume (SRV) technology extends conventional fracturing technology. Understanding how to effectively and accurately determine modified fracture shape and volume is the key point to evaluating the stimulation effect. Using electro...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ngoc-Pi Vu, Quoc-Tuan Nguyen, Thi-Hong Tran, Hong-Ky Le, Anh-Tuan Nguyen, Anh-Tung Luu, Van-Tung Nguyen and Xuan-Hung Le
Cutting regime parameters play an important role in determining the efficiency of the grinding process and the quality of the ground parts. In this study, the influences of the cutting parameters, including the cutting depth (ae), the feed rate (Fe) and ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Junhua Wang, Junfei Xu, Yan Lu, Tancheng Xie, Jianjun Peng, Junliang Chen and Yanwei Xu
Laser?arc composite additive manufacturing holds significant potential for a wide range of industrial applications, and the control of morphological dimensions in the deposited layer is a critical aspect of this technology. The width and height dimension...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hamid R. Kaviani and Mohammad Moshfeghi
Blade optimization methods are crucial for wind turbine design. In this research, a new set of values for the parameters of the Particle Swarm Optimization (PSO) method is proposed, and its effects on the enhancement of the power generation of the NREL W...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bogdan Kolanowski, Jacek Augustyniak and Dorota Latos
Cartographic generalization is one of the important processes of transforming the content of both analogue and digital maps. The process of reducing details on the map has to be conducted in a planned way in each case when the map scale is to be reduced....
ver más
|
|
|
|
|
|
|
|
|
|
|
Danil Ivanov, Goncalo Amaro, Yaroslav Mashtakov, Mikhail Ovchinnikov and Anna Guerman
A formation flying control algorithm using the Lorentz force for Low Earth Orbits to achieve a trajectory with required shape and size is proposed in the paper. The Lorentz force is produced as a result of interaction between the Earth?s magnetic field a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mohamad Norfaieqwan Bin Kamarudin, Jaffar Syed Mohamed Ali, Abdul Aabid and Yasser E. Ibrahim
In structural engineering, thin-walled structures play an important role in the design of the lightweight structural model. It carries different loading conditions when it exists in any model, and it is designed with thin plates or thin shells. Penetrati...
ver más
|
|
|
|
|
|