Results 31 to 40 of about 3,531,996 (294)
Machines, 2022 The higher the natural frequency of the material is, the more resistant it is to deformation under impulse loading. To explore the influence of micro-abrasive and micro-jet impact on the natural frequency and resonance amplitude value of the material ...
Tianjiao Song +3 more
doaj +1 more source
Journal of Marine Science and Engineering, 2022 Resonance causes extreme stress, acceleration of fatigue, and reduction in lifespan of offshore wind structures. The main factors that cause resonance are environmental loads such as wind and waves, and dynamic loads caused by rotor movement.
Young-Suk You +2 more
doaj +1 more source
Improvement of acoustic theory of ultrasonic waves in dilute bubbly liquids [PDF]
, 2009 The theory of the acoustics of dilute bubbly liquids is reviewed, and the dispersion relation is modified by including the effect of liquid compressibility on the natural frequency of the bubbles.
Ando, Keita +2 more
core +2 more sources
Shock‐capturing with natural high‐frequency oscillations [PDF]
International Journal for Numerical Methods in Fluids, 2003 AbstractThis paper explores the potential of a newly developed conjugate filter oscillation reduction (CFOR) scheme for shock‐capturing under the influence of natural high‐frequency oscillations. The conjugate low‐ and high‐pass filters are constructed based on the principle of the discrete singular convolution (DSC), a local spectral method.
Zhou, Y.C., Gu, Y., Wei, G.W.
openaire +3 more sources
AutomatikaThe proposed energy harvester has novel construction, its performance evaluated through frequency response, force response and power harvested under an optimum load, is presented.
K. S. Jaibhavani, S. Visalakshi
doaj +1 more source
Sensors, 2021 The blast-induced damage of a high rock slope is directly related to construction safety and the operation performance of the slope. Approaches currently used to measure and predict the blast-induced damage are time-consuming and costly.
Pengchang Sun +5 more
doaj +1 more source
Comparison of Abstinence and Coital Frequency Between 2 Natural Methods of Family Planning [PDF]
, 2014 Introduction The length of periodic abstinence, due to overestimation of the fertile phase of the menstrual cycle, is often a cause for dissatisfaction, discontinuation, and user error with natural family planning (NFP) methods.
Arévalo +25 more
core +2 more sources
Natural frequencies facilitate diagnostic inferences of managers [PDF]
Frontiers in Psychology, 2015 In Bayesian inference tasks, information about base rates as well as hit rate and false-alarm rate needs to be integrated according to Bayes' rule after the result of a diagnostic test became known. Numerous studies have found that presenting information in a Bayesian inference task in terms of natural frequencies leads to better performance compared ...
Hoffrage, U. +2 more
openaire +4 more sources
Micromachines, 2023 Cantilever-beam-type PVDF (Polyvinylidene Fluoride) piezoelectric film sensors are commonly utilized for vibration signal detection due to their simple structures and ease of processing.
Wei Xin, Zhaoyang He, Chaocheng Zhao
doaj +1 more source
Frequency and phase modulation performance of an injection-locked CW magnetron. [PDF]
, 2006 It is demonstrated that the output of a 2.45-GHz magnetron operated as a current-controlled oscillator through its pushing characteristic can lock to injection signals in times of the order of 100-500 ns depending on injection power, magnetron heater ...
Carter, Richard G. +2 more
core +1 more source