Results 31 to 40 of about 1,114,115 (315)

Numerical simulation of surface roughness effects on the vortex-induced vibration of a circular cylinder at a subcritical Reynolds number

International Journal of Naval Architecture and Ocean Engineering, 2022
The Vortex-Induced Vibration (VIV) of a circular cylinder with different surface roughness is numerically simulated at a subcritical Reynolds number of 3900.
Wei Chen, Siying Wang, Xiaotao Shi, Chang-Kyu Rheem, Yongshui Lin, Erpeng Liu   +5 more
doaj   +1 more source

Study on the Effect of Nodal Configuration on the Mechanical Properties of Hexa-Ligamentous Chiral Honeycombs

Journal of Marine Science and Engineering, 2023
To investigate the effect of nodal configuration on the mechanical properties of hexachiral honeycombs, three specimens, namely, a standard honeycomb, a thickened-node honeycomb, and a filled-node honeycomb, were prepared using 3D-printing technology ...
Zhiping Wang, Gang Chen, Xiaofei Cao, Wei Chen, Chun Bao Li, Xiaobin Li   +5 more
doaj   +1 more source

Experimental Study on Vibration of a Rotating Pipe in Still Water and in Flow

Polish Maritime Research, 2023
To illustrate the vibration characteristics of a rotating pipe in flow, experiments were conducted for a pipe in flow, a rotating pipe in still water and a rotating pipe in flow. For the pipe in flow without rotation, the trajectory diagram is ‘8’ shaped.
Geng Xinge, Wu Weiguo, Liu Erpeng, Lin Yongshui, Chen Wei, Rheem Chang-Kyu   +5 more
doaj   +1 more source

Quantitative Analysis of Drag Force for Task-Specific Micromachine at Low Reynolds Numbers

Micromachines, 2022
Micromotors have spread widely in order to meet the needs of new applications, including cell operation, drug delivery, biosensing, precise surgery and environmental decontamination, due to their small size, low energy consumption and large propelling ...
Qiang Wang, Zhen Wang
doaj   +1 more source

THEORY OF SPIRAL STRUCTURE [PDF]

Highlights of Astronomy, 1971
It is an honor for me to continue the discussion of galactic spirals following Professor Bok, who has contributed to the subject for many years. My experience has been relatively short. My first encounter with the study of galactic spirals occurred in 1961, when I was invited by Professor Bengt Strömgren to attend a conference on interstellar matter at
openaire   +1 more source

Influence of hydrogen on the structure and stability of ultra-thin ZnO on metal substrates [PDF]

, 2015
We investigate the atomic and electronic structure of ultra-thin ZnO films (1 to 4 layers) on the (111) surfaces of Ag, Cu, Pd, Pt, Ni, and Rh by means of density-functional theory.
Oliver T. Hofmann, Hofmann, O., Patrick Rinke, Bjoern Bieniek, Bieniek, B., Rinke, P.   +5 more
core   +1 more source

Combined Micro-Structural Effects of Linearly Increasing Reynolds Number and Mean Inflow Velocity on Flow Fields with Mesh Independence Analysis in Non-Classical Framework

Mathematics, 2023
The monolithic Eulerian formulation has widely been employed for solving numerically fluid–structure interaction (FSI) problems of finite structural displacement using the same mathematical variational formulation for fluid and structural dynamics ...
Nazim Hussain Hajano, Muhammad Sabeel Khan, Lisheng Liu, Mumtaz Ali Kaloi, Hai Mei   +4 more
doaj   +1 more source

Kinetic field theory for cosmic structure formation

, 2023
Kinetic field theory is a new analytic approach to cosmic structure formation which avoids some of the notorious problems in this field. I will briefly review the foundations of the theory and then highlight four recent results, concerning the asymptotic
Bartelmann, Matthias
core  

Anti-symmetric Compton scattering in LiNiPO4: Towards a direct probe of the magneto-electric multipole moment [version 2; peer review: 3 approved]

Open Research Europe, 2022
Background: Magnetoelectric multipoles, which break both space-inversion and time-reversal symmetries, play an important role in the magnetoelectric response of a material. Motivated by uncovering the underlying fundamental physics of the magnetoelectric
Daniel O'Neill, Sayantika Bhowal, Nicola A. Spaldin, Michael Fechner, Jon Duffy, Urs Staub, Stephen P. Collins   +6 more
doaj   +1 more source

07281 Abstracts Collection – Structure Theory and FPT Algorithmics for Graphs, Digraphs and Hypergraphs [PDF]

, 2007
From 8th to 13th July 2007, the Dagstuhl Seminar ``Structure Theory and FPT Algorithmics for Graphs, Digraphs and Hypergraphs'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl.
Stege, Ulrike, Marx, Daniel, Gutin, Gregory Z., Demaine, Erik   +3 more
core   +1 more source