Vibration frequencies
Stress strain State and Vibration Frequencies of Blades of the Main Mine Fan Impeller
... Reliability of blades is assured through (1) their suffi- cient structural strength and (2) absence of resonance phenomena as a response to the nonstationary exposure, e.g., rotor speed, ventilation network vibrations, ...
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How whole-body vibration can help our COPD patients. Physiological changes at different vibration frequencies
... ferent vibration frequencies separated by 7 days. A vertical vibration platform Fitybe excel pro was used (GymnaUni- phy Nv, Bilzen, ...no vibration in the third session on consecutive ...of ...
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Vibration frequencies extraction of the Forth Road Bridge using high sampling GPS data
... high-pass filter was presented and applied to the original displacement time series to remove the very slow movements, which do not locate in the structural natural frequency band. The FFT algorithm was applied to the ...
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A new tuning fork with different vibration frequencies as an aid to bronchopulmonary hygiene physiotherapy
... of vibration and compression) ...percussion, vibration, high-frequency oscilla- tion, and mechanical compression of the thoracic wall in the clearance of the airways concluded that mecha- nical ...
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EVALUATION OF EIGEN VALUES AND EIGEN VECTORS FOR FREE VIBRATION ANALYSIS USING FINITE ELEMENT PROCEDURES
... of vibration together with the corresponding eigenvector x indicating the mode ...fundamental vibration frequencies of a general structure. The frequencies can be determined by the finite ...
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Positioning in Dynamic Testing of Slender Bridges
... Some approaches dealing with multi-functioning in dynamic testing and virtual monitoring of slender bridges are considered in this paper. Dynamic testing is applied to slender bridges as part of their inspection and ...
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Thermoregulation in Small Flies (Syrphus Sp ): Basking and Shivering
... The vibration frequencies of the thorax during shivering and flight ranged from about iooto 200 Hz at 10-27 °C, though at a given temperature and spike frequency the vibration rate durin[r] ...
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Quantum Mechanical Study Vibration and Electronic Properties for (C84H28) and (C112H28) Armchair Nanotubes (SWCNTs)
... increasing of the length of (CNT), ∆E= (LUMO-HOMO) decrease with increasing number of rings layer (the length of (CNT). Dipole moment µ is zero for all, because both have center of inversion symmetry element. same ...
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“Theoretical Study of Chlorpropamide Drug and it's Derivatives by using Quantum Mechanics Method” by Qabas M. AL – Makhzumi, Hussein .I. Abdulah, Ramzie R AL Ani, Iraq.
... energy, Vibration frequencies ,IR intensities, dipole moment, charge distribution, bond length, and HOMO- LUMO energy for Chlorpropamide and its derivatives by Gaussian 09 software package 17 using ...
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SYNTHESIS AND CONFORMATIONAL STUDIES OF N’ (3Z) 5 FLUORO 2 OXO 2,3 DIHYDRO 1H INDOL 3 YLIDENE] 3 CARBOHYDRAZIDE WITH SPECIFIC PHARMACOPHORIC FEATURES
... structure, vibration frequencies of coordinates of atoms, bond length, bond angle and reactions pathway [9] Conformational analysis of molecule is based on molecular mechanics, it is method for the ...
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DFT simulations of the vibrational spectrum and hydrogen bonds of ice XIV
... It is always a difficult task to assign the peaks recorded from vibrational spectrum. Herein we explored a new pathway of density functional theory (DFT) simulation to present three kinds of spectra of ice XIV and can be ...
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Vol 2013
... non-dimensional frequencies of Euler beams with uniform cross section and different cases of boundary ...non-dimensional frequencies of simply supported non- uniform Euler beams with different values of ...
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Nonlinear Response of Cantilever Beams Due to Large Geometric Deformations: Experimental Validation
... particular frequencies around 18 Hz and 51 Hz, which are related to the nonlinear terms of the ...these frequencies are associated with the large deformations ...these frequencies can only be found ...
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Vibration Control Design for a Plate Structure with Electrorheological ATVA Using Interval Type-2 Fuzzy System
... and vibration control technology can suppress vibration of flight vehicles and allow them to operate beyond the traditional flutter boundary, improve ride comfort, and minimize vibration fatigue ...
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The effectiveness of vibration damper attached to the cable due to wind action
... passive vibration damper, usually mounted at a distance not exceeding 5% of the length from the anchorage cable construction platform is another solution that is often ...of vibration reduction ...
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FREE VIBRATION ANALYSIS OF STEPPED BEAMS WITH CIRCULAR AND SQUARE CROSS SECTIONS
... the vibration behaviors of non-uniform AFG Timoshenko beams by changing the coupled governing equations to a single governing equation by introducing an auxiliary ...and vibration of AFG tapered shafts ...
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Asymmetry of tymbal action and structure in a cicada: a possible role in the production of complex songs
... other frequencies at least 30 dB quieter (or at less than 1/1000th of the power) and the song has a simple and constant modulation pattern at 230 pulses s −1 (Young, ...
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Experimental and FEM Modal Analysis of a Deployable Retractable Wing
... free vibration characteristics. Natural frequencies and vibration mode shapes were obtained via measurement in LMS ...retreating. Vibration response to different rotation speeds have been ...
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A Combined Structural and Electromechanical Approach for Vibration Attenuation of Rotating Beam
... reduce vibration of the ...the vibration of a rotating periodic ...the vibration in turbo-machinery blades with a variable rotating speed and therefore achieved a longer lifetime for the ...achieved ...
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Practical techniques for the vibration method with additional mass: effect of specimen moisture content
... the vibration method with addi- tional mass can be applied to wet wood needs to be clari- ...the vibration method with additional mass was investigated in this ...
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