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Добірка наукової літератури з теми "Forced Responce Analysis"

Автор: Grafiati

Опубліковано: 10 березня 2023

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Статті в журналах з теми "Forced Responce Analysis"

1

Nikolic, M., E. P. Petrov, and D. J. Ewins. "Coriolis Forces in Forced Response Analysis of Mistuned Bladed Disks." Journal of Turbomachinery 129, no. 4 (2006): 730–39. http://dx.doi.org/10.1115/1.2720866.

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The problem of estimating the mutual interaction of the effects of Coriolis forces and of blade mistuning on the vibration characteristics of bladed disks is addressed in this paper. The influence of different degrees of mistuning on forced response and amplification factors are studied in the presence of Coriolis forces and then compared to their non-Coriolis counterparts using a computationally inexpensive, yet representative, model of a bladed disk. The primary objective of the study reported in this paper is to establish whether current mistuned bladed disk analyses should incorporate Cori

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2

Setúbal, Fábio Antônio do Nascimento, Sérgio de Souza Custódio Filho, Newton Sure Soeiro, Alexandre Luiz Amarante Mesquita, and Marcus Vinicius Alves Nunes. "Force Identification from Vibration Data by Response Surface and Random Forest Regression Algorithms." Energies 15, no. 10 (2022): 3786. http://dx.doi.org/10.3390/en15103786.

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Several dynamic projects and fault diagnosis of mechanical structures require the knowledge of the acting external forces. However, the measurement of such forces is often difficult or even impossible; in such cases, an inverse problem must be solved. This paper proposes a force identification method that uses the response surface methodology (RSM) based on central composite design (CCD) in conjunction with a random forest regression algorithm. The procedure initially required the finite element modal model of the forced structure. Harmonic analyses were then performed with varied parameters o

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3

Saito, Akira, and Tatsuya Suzuki. "Forced response vibration analysis of induction motor stators induced by electromagnetic forces." IFAC-PapersOnLine 55, no. 27 (2022): 155–59. http://dx.doi.org/10.1016/j.ifacol.2022.10.504.

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4

Mitra, Anirban, Prasanta Sahoo, and Kashinath Saha. "Large Amplitude Forced Vibration Analysis of Stiffened Plates Under Harmonic Excitation." International Journal of Manufacturing, Materials, and Mechanical Engineering 1, no. 2 (2011): 62–98. http://dx.doi.org/10.4018/ijmmme.2011040105.

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Large amplitude forced vibration behaviour of stiffened plates under harmonic excitation is studied numerically incorporating the effect of geometric non-linearity. The forced vibration analysis is carried out in an indirect way in which the dynamic system is assumed to satisfy the force equilibrium condition at peak excitation amplitude. Large amplitude free vibration analysis of the same system is carried out separately to determine the backbone curves. The mathematical formulation is based on energy principles and the set of governing equations for both forced and free vibration problems de

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5

david Logan, J. "Forced response of a linear hyperbolic system." Applicable Analysis 33, no. 3-4 (1989): 255–66. http://dx.doi.org/10.1080/00036818908839877.

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6

Ma, Yong Jie, Yi Du Zhang, and Xiao Ci Zhao. "Cutting Force Model of Aluminum Alloy 2014 in Turning with ANOVA Analysis." Applied Mechanics and Materials 42 (November 2010): 242–45. http://dx.doi.org/10.4028/www.scientific.net/amm.42.242.

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In the present study, aluminum alloy 2014 was selected as workpiece material, cutting forces were measured under turning conditions. Cutting parameters, the depth of cut, feed rate, the cutting speed, were considered to arrange the test research. Mathematical model of turning force was solved through response surface methodology (RSM). The fitting of response surface model for the data was studied by analysis of variance (ANOVA). The quadratic model of RSM associated with response optimization technique and composite desirability was used to find optimum values of machining parameters with res

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7

Jahng, Junghoon, Eric O. Potma, and Eun Seong Lee. "Nanoscale spectroscopic origins of photoinduced tip–sample force in the midinfrared." Proceedings of the National Academy of Sciences 116, no. 52 (2019): 26359–66. http://dx.doi.org/10.1073/pnas.1913729116.

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When light illuminates the junction formed between a sharp metal tip and a sample, different mechanisms can contribute to the measured photoinduced force simultaneously. Of particular interest are the instantaneous force between the induced dipoles in the tip and in the sample, and the force related to thermal heating of the junction. A key difference between these 2 force mechanisms is their spectral behavior. The magnitude of the thermal response follows a dissipative (absorptive) Lorentzian line shape, which measures the heat exchange between light and matter, while the induced dipole respo

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8

You, Tian Qing, Jia Zhong Zhang, and Cong Wang. "Water Exit Dynamic Analysis of Underwater Vehicle." Applied Mechanics and Materials 50-51 (February 2011): 649–53. http://dx.doi.org/10.4028/www.scientific.net/amm.50-51.649.

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The cavity, formed at the nose part of underwater launched vehicle due to the high launching velocity, will collapse while crossing water free surface and has a great impact on the strength of vehicle structure. In order to study the effect of the cavity collapse to vehicle structure, water exit dynamic analysis has been conducted. Before that, the computational model has been established. The external load, caused by cavity collapse, is assumed to be concentrated pulse forces applied on the vehicle at different time. And the flight vehicle structure is simplified into a free-free Timoshenko b

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9

Alligné, S., P. C. O. Silva, A. Béguin, et al. "Forced response analysis of hydroelectric systems." IOP Conference Series: Earth and Environmental Science 22, no. 4 (2014): 042001. http://dx.doi.org/10.1088/1755-1315/22/4/042001.

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10

Zirkelback, Nicole, and Luis San Andre´s. "Finite Element Analysis of Herringbone Groove Journal Bearings: A Parametric Study." Journal of Tribology 120, no. 2 (1998): 234–40. http://dx.doi.org/10.1115/1.2834415.

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Анотація:

Currently, the herringbone groove journal bearing (HGJB) has important applications in miniature rotating machines such as those found in the computer information storage industry. Grooves scribed on either the rotating or stationary member of the bearing pump the lubricating fluid inward thus generating support stiffness and improving its dynamic stability when operating concentrically. The narrow groove theory (NGT), traditionally adopted to model the concentric operation of these bearings, is limited to bearings with a large number of grooves. A finite element analysis is introduced for pre

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