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The World Journal of Mechanics (WJM) will cover the general field of mechanics including the mechanics of solids, structures and fluids and their interaction. The goal of this journal is to provide an international forum for the publication and dissemination of original work which contributes to the understanding of t…
Akihiro Ogura
We present the usefulness of mass-momentum “vectors” to analyze the collision problems in classical mechanics for both one and two dimensions with Galilean transformations. The Galilean transformations connect the mass-momentum “vectors” in the center-of-mass…
Xiaochu Liu, Jianfeng Huang, Zhongwei Liang, Weifeng Huang, Rui Zhu, Weilin Gao, Jinrui Xiao
In this paper, the NU308 bearing rings were subjected to strengthen grinding treatment (SGT) at ambient temperature. And the running reliabilities of specimens that subjected to SGT and conventional treatment (CT) were respectively investigated by testing dyn…
Nasim A. Mamaghani, Peter E. Jenkins
The principal objective of this work was to investigate the 3D flow field around a multi-bladed horizontal axis wind turbine (HAWT) rotor and to investigate its performance characteristics. The aerodynamic performance of this novel rotor design was evaluated…
Kunio Shimada, Ryoju Kato, Ryo Ikeda, Hiroshige Kikura, Hideharu Takahashi
For cases in which a robot with installed solar cells and a sensor operates in a nuclear reactor building or in space for extravehicular activity, we require elastic and extensible solar cells. More than two different types of sensing are also required, minim…
Ahti Rahikainen
This study contains the solution of the dark matter mystery of spiral galaxies by using the space of four distance dimensions x , y , z , x ' , in which x ' is the fourth distance dimension. The calculation of galaxy rotation has been presented in the space o…
Masayuki Oishi, Yoshihiro Kubota, Osamu Mochizuki
Typically, soil samples must be crushed into particles for laboratory research. Thus, an efficient mechanism to ensure a uniform particle size is essential. We previously developed a rod mill device that performs well, but video analysis indicated that the sh…
Gemechu M. Kumssa, S. B. Tessema, 1 1
Understanding how stars form in molecular clouds is one of the ongoing research areas in astrophysics. Star formation is the fundamental process to which our current understanding remains incomplete due to the complexity of the physics that drives their forma…
Adelani A. Oyeniran, Duabari S. Aziaka
The purpose of this paper was to investigate the impact of residual stresses on fatigue damage of offshore wind turbine monopiles by numerical analysis approach using ABAQUS software, a finite element analysis (FEA) tool. Three monopile models with the same d…
Shuping Chen, 1 1
The formation conditions and time sequences for various types of wrench-related fractures are not clear. Based on a parabola-type failure criterion, this paper has gotten new insights on those questions. In a simple shear, the occurrence of either tensional f…
Pascal Kuate Nkounhawa, Dieunedort Ndapeu, Bienvenu Kenmeugne, Tibi Beda
In the realization of mechanical structures, achieving stability and balance is a problem commonly encountered by engineers in the field of civil engineering, mechanics, aeronautics, biomechanics and many others. The study of plate behavior is a very sensitiv…
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The World Journal of Mechanics (WJM) will cover the general field of mechanics including the mechanics of solids, structures and fluids and their interaction. The goal of this journal is to provide an international forum for the publication and dissemination of original work which contributes to the understanding of t… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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