Zobrazeno 1 - 10
of 183
pro vyhledávání: '"Envelope curve"'
Publikováno v:
Омский научный вестник, Vol 3 (191), Pp 5-13 (2024)
In this article, the coefficients of the nonlinear damping function of a mechanical system with one translational degree of freedom are determined from an experimentally obtained oscillogram of free vibrations. The function is modeled using three t
Externí odkaz:
https://doaj.org/article/468ff73a928c41979aba21e6fbf79009
Autor:
Dai Yufei
Publikováno v:
Applied Mathematics and Nonlinear Sciences, Vol 9, Iss 1 (2024)
In this paper, from the basis of piano music theory, pitch and twelve equal temperaments are studied, and due to the characteristics of the piano’s construction, there are different timbres and harmonic structures. In order to realize the digitizat
Externí odkaz:
https://doaj.org/article/5b63c14e17bb45189a4856b19cfaa6c5
Publikováno v:
Reviews on Advanced Materials Science, Vol 62, Iss 1, Pp pp. 577-590 (2023)
The axial compression ratio is one of the important factors affecting the seismic performance of reinforced concrete (RC) walls. Thus, the axial compression ratio is critical in the seismic design of RC walls. In addition to the axial compression rat
Externí odkaz:
https://doaj.org/article/d8fa6a6a83904ff98edfaebb6ca85583
Publikováno v:
International Journal of Mining Science and Technology, Vol 32, Iss 4, Pp 727-735 (2022)
To investigate the deformation mechanisms of rock under hydrostatic stress, destructive experiments were conducted on sandstone under different levels of hydrostatic stress and stress Lode angles. The results reveal that the shape of the strength env
Externí odkaz:
https://doaj.org/article/a234283addff4b4abdf23d11e5547f56
Publikováno v:
Revista Ambiente & Água, Vol 16, Iss 6, Pp 1-12 (2021)
Detention devices are often used as alternative measures for stormwater control. The Envelope Curve Method is widely used in Brazil to estimate detention device volumes. This method estimates the storage volume based on inlet and outlet balance, wher
Externí odkaz:
https://doaj.org/article/c7365dc05ed945ad9bd193d48f02dafa
Akademický článek
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Publikováno v:
U.Porto Journal of Engineering, Vol 7, Iss 3, Pp 114-125 (2021)
Nonlinear finite element models, whenever is possible, shall be validated using experimental data. The efficiency of the nonlinear analysis depends on the choice of finite element models parameters. In the present work the calibration is conducted wi
Externí odkaz:
https://doaj.org/article/df7757d838104768acd513dc8d938919
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 3, p 505 (2023)
The applications and studies of gravity anchors in the ocean are becoming more and more extensive. Most of the research, however, has been directed toward the bearing properties of sand. Relatively less attention has been paid to the bearing properti
Externí odkaz:
https://doaj.org/article/6ec29ef8427e40ec94625bd2870f92a0
Publikováno v:
Machines, Vol 10, Iss 12, p 1111 (2022)
Accurate identification of ultrasonic signals can effectively improve the accuracy of a defect detection and inversion. Current methods, based on machine learning and deep learning have been able to classify signals with significant differences. Howe
Externí odkaz:
https://doaj.org/article/2a95affa4a8c46a68f8bb79c7115c366
Publikováno v:
Machines, Vol 10, Iss 4, p 260 (2022)
Generally speaking, vibration signals collected by sensors always contain complex frequency components, which will bring great trouble to bearing condition monitoring and fault diagnosis. A reliable fault signal component extraction method is signifi
Externí odkaz:
https://doaj.org/article/578c510222204f3b90e8b4e7ea2dfbfe