Results 91 to 100 of about 4,690,414 (330)
Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
Coastal Engineering, 2018 In this work, the performance of a buoyancy-modified turbulence model is shown for simulating wave breaking in a numerical wave flume. Reynolds-Averaged Navier-Stokes (RANS) modelling is performed by applying both a k-ω and a k-ω SST turbulence model ...
B. Devolder, P. Troch, P. Rauwoens
semanticscholar +1 more source
Journal of Marine Science and EngineeringStern flaps and interceptors are prevalent stern appendages on medium- to high-speed ships, designed to modify the sailing posture of ships and diminish resistance.
Kewei Song +5 more
doaj +1 more source
Second Order Gravitational Self-Force
, 2012 The second-order gravitational self-force on a small body is an important problem for gravitational-wave astronomy of extreme mass-ratio inspirals. We give a first-principles derivation of a prescription for computing the first and second perturbed ...
E. Poisson +3 more
core +1 more source
Frequency Response in Regular Waves
Journal of the Society of Naval Architects of Japan, 1987 The first report of the present investigation treats several methods of predicting the dynamic behaviour of an articulated column in regular waves. A straightforward solution is to integrate the equations of motion describing the behaviour of a column in waves to obtain timehistories of the motion. However, about thirty to forty periods of oscillations
Masataka Fujino +3 more
openaire +2 more sources
Hydrodynamics of Regular Breaking Wave
, 2021 Turbulence and undertow currents play an important role in surf-zone mixing and transport processes; therefore, their study is fundamental for the understanding of nearshore dynamics and the related planning and management of coastal engineering activities.
De Padova, Diana, Mossa, Michele
openaire +2 more sources
Advanced Engineering Materials, EarlyView.This paper presents a novel approach to reducing oxide layers on metal powders using low‐temperature hydrogen dielectric barrier discharge plasmas at atmospheric pressure. Unlike conventional hydrogen‐plasma reductions, the powders do not contact the plasma directly.
Shukang Zhang +3 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley +1 more source
Influence of interceptor on ship resistance and motion characteristics in regular waves
Zhongguo Jianchuan YanjiuObjectivesThis study analyzes the influence of interceptors on the resistance and motion characteristics of ships in regular waves.MethodsTaking a semi-displacement ship as the research object, the numerical simulation of its resistance and motion ...
Kewei SONG +3 more
doaj +1 more source
Experimental Observation of Resonance-Assisted Tunneling
, 2015 We present the first experimental observation of resonance-assisted tunneling, a wave phenomenon, where regular-to-chaotic tunneling is strongly enhanced by the presence of a classical nonlinear resonance chain. For this we use a microwave cavity made of
Bäcker, Arnd +6 more
core +1 more source