Results 31 to 40 of about 26,001 (153)
Numerical simulation of vortex induced vibrations of a circular cylinder: isothermal and heat transfer cases [PDF]
E3S Web of Conferences, 2019 In this paper, the Fluid Structure Interaction (FSI) problem - vortex induced vibration of a circular cylinder are studied using a numerical method. An accurate Harten Lax and van Leer with contact for artificial compressibility (HLLC-AC) Riemann solver ...
Sonawane C R, More Y B, Pandey Anand
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Ocean Engineering, 2021 Abstract One of the concerns regarding numerical simulation of floating wind turbines (FWTs) in waves is underprediction of resonant responses in the low-frequency range. In the present work, the difference-frequency wave loads on a restrained semi-submersible FWT subject to bichromatic waves are investigated by higher-fidelity tools (Computational ...
Haoran Li, Erin E. Bachynski-Polić
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Applied Sciences, 2020 The present study aims to implement the software ANSYS AQWA to discuss the hydrodynamic analysis of the DeepCwind semi-submersible floating platform in waves based on the potential flow theory by considering the second-order wave exciting force.
Yu-Hsien Lin, Cheng-Hao Yang
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Journal of Engineering and Applied Science, 2023 One of the characteristics of a robust power grid is minimal variations in its frequency to load change or loss in generating unit(s). From the perspective of optimal control theory, the issue of load frequency control in the context of the ...
Ebunle Akupan Rene +1 more
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Компютерні системи та інформаційні технології, 2022 Evidence of the complexity of the cybersecurity problem is the rapid increase in the number of information security breaches and losses on cybersecurity threats combined with an increase in the average loss from each of the breaches.
Volodymyr KHOROSHKO +2 more
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Transactions of the Japan Society of Mechanical Engineers, 1956 This paper deals with the attachment of the Frequency Response Slide Rule. The slide rule which has been published in "Automatic Control" Vol.1 (1953) No.3 by K.IZAWA, is used for frequency response computation of real linear factors : (1+Ts), Ks and K/s and exponential factor : e-Ls of such a transfer function as [numerical formula] The attachment is ...
IZAWA, Keisuke, MORINAGA, Tomoaki
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ADDED RESISTANCE IN WAVES OF INTACT AND DAMAGED SHIP IN THE ADRIATIC SEA
Brodogradnja, 2015 In this paper the ship added resistance in regular head waves and at different sea states in a certain frequency range at different forward speeds was calculated. Calculations were conducted using hydrodynamic software.
Ivana Martić +2 more
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Stability Analysis of Control Systems With First-Order Reset Elements, a Frequency-Domain Approach
IEEE AccessReset control systems (RCSs) can achieve performance beyond that of conventional linear time-invariant (LTI) controllers, while also allowing analysis directly in the frequency domain using measured frequency response functions (FRFs).
Ali Hosseini, Hassan HosseinNia
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Research of Temperature Rise in the Lithium-Ion Traction Battery of Engineering Vehicles
机车电传动, 2021 In order to study the temperature characteristics of the power battery of engineering vehicles, the heating power of battery at different SOC and charge-discharge rate was obtained by performing quadratic function fitting on the data measured at the ...
Zhihong ZHANG, Lianfeng LI, Hua XU
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Partial fraction expansion of transfer functions with multiple quadratic poles
Electronics Letters, 1978 The partial fraction expansion method presented is short and straightforward, and the matrix formulation is easily programmed for computation. The method is applicable without restriction to rational functions with multiple real or quadratic poles.
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