Browsing Faculty of Engineering by Author "Abbasi, Ahmad"
Now showing items 1-6 of 6
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Enhancing the performance of Piezoelectric Energy Harvester under electrostatic actuation using a robust metaheuristic algorithm
Firouzi, Behnam; Abbasi, Ahmad; Şendur, Polat (Elsevier, 2023-02)This study proposes a novel shape optimization methodology based on evolutionary algorithms to maximize the harvesting energy from piezoelectric energy harvester stimulated by the β-emitted radioisotope. The parametric ... -
Identification and evaluation of cracks in electrostatically actuated resonant gas sensors using Harris Hawk / Nelder Mead and perturbation methods
Firouzi, Behnam; Abbasi, Ahmad; Şendur, Polat (Techno-Press, 2021-01)In this paper we study the static deflection, natural frequency, primary resonance of an electrostatically actuated cracked gas sensor. Besides, a novel hybrid metaheuristic algorithm is proposed to detect the location and ... -
Identification of unbalance characteristics of rotating machinery using a novel optimization-based methodology
Abbasi, Ahmad; Firouzi, Behnam; Şendur, Polat; Ranjan, G.; Tiwari, R. (Springer, 2022-02-26)In this study, a novel optimization-based method is proposed to determine the parameters of a rotating unbalance in a rotor-bearing system. For that purpose, the weighted sum of squared difference between the analytical ... -
Improvement of the computational efficiency of metaheuristic algorithms for the crack detection of cantilever beams using hybrid methods
Firouzi, Behnam; Abbasi, Ahmad; Şendur, Polat (Taylor & Francis, 2022-07-03)This study examines the capability of various optimization algorithms and proposes novel hybrid algorithms for more precise prediction of open-edge cracks in cantilever beams. The natural frequencies of the beam with a ... -
Multi-strategy Gaussian Harris hawks optimization for fatigue life of tapered roller bearings
Abbasi, Ahmad; Firoozi, Behnam; Şendur, Polat; Heidari, A. A.; Tiwari, R. (Springer, 2022-12)Bearing is one of the most fundamental components of rotary machinery, and its fatigue life is a crucial factor in designing. The design optimization of tapered roller bearing (TRB) is a complex design problem because ... -
On the application of Harris hawks optimization (HHO) algorithm to the design of microchannel heat sinks
Abbasi, Ahmad; Firouzi, Behnam; Şendur, Polat (Springer Nature, 2021-04)A novel Harris hawks optimization algorithm is applied to microchannel heat sinks for the minimization of entropy generation. In the formulation of the heat transfer model of the microchannel, the slip flow velocity and ...
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