Reliability-based optimization of ship structure based on interest subdomain dynamic surrogate model
Zhongguo Jianchuan Yanjiu, 2021 ObjectivesAiming at the difficulty of ensuring the fitting accuracy and optimization efficiency of surrogate models due to the high nonlinearity in ship structure reliability-based optimization design, a reliability-based ship structure optimization ...
Wenjun LUO, Deyu WANG
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Surrogate-Based Optimization of Horizontal Axis Hydrokinetic Turbine Rotor Blades
Energies, 2021 A design method was developed for automated, systematic design of hydrokinetic turbine rotor blades. The method coupled a Computational Fluid Dynamics (CFD) solver to estimate the power output of a given turbine with a surrogate-based constrained ...
David Menéndez Arán, Ángel Menéndez
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Overall Parameters Design of Air-Launched Rockets Using Surrogate Based Optimization Method
Aerospace, 2021 In this paper, the design and optimization method of rocket parameters based on the surrogate model and the trajectory simulation system of the 3-DOF air-launched rockets were established.
Shenghui Cui +4 more
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Aerospace, 2023 Most existing aerodynamic shape optimization (ASO) studies do not take the balanced pitching moment into account and thus the optimized configuration has to be trimmed to ensure zero pitching moment, which causes additional drag and reduces the benefit ...
Kai Wang +3 more
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An Improved Multi-Objective Particle Swarm Optimization Method for Rotor Airfoil Design
Aerospace, 2023 In this study, a multi-objective aerodynamic optimization is performed on the rotor airfoil via an improved MOPSO (multi-objective particle swarm optimization) method.
Yongchuan Wu, Gang Sun, Jun Tao
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Surrogate-based optimization of tidal turbine arrays: a case study for the Faro-Olhão inlet [PDF]
, 2019 This paper presents a study for estimating the size of a tidal turbine array for the Faro-Olhão Inlet (Potugal) using a surrogate optimization approach. The method compromises problem formulation, hydro-morphodynamic modelling, surrogate construction and
A Forrester +17 more
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Optimal Design of the Sealing Structure of a Hydraulic Cylinder on the Basis of a Surrogate Model
Advances in Materials Science and Engineering, 2020 In this study, a finite-element simulation model was established for a two-dimensional hydraulic cylinder seal structure with highly nonlinear materials and contacts for achieving the optimal sealing effect with the structure. The effects of gaps as well
Hong Zhang +3 more
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Balancing Transferability and Imperceptibility for Adversarial Attacks [PDF]
Jisuanji kexueData-driven deep learning models face the problem of well-designed adversarial attacks due to their inability to cover all possible sample data.The existing main Lp-norm perturbation attack methods based on RGB pixel space have achieved great attack ...
KANG Kai, WANG Jiabao, XU Kun
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Joint antenna selection and waveform design for coexistence of MIMO radar and communications
EURASIP Journal on Advances in Signal Processing, 2022 As the problem of spectral congestion is becoming severe, the coexistence between two primary spectrum users, radar and communications, has spurred extensive research interest.
Xuan Zhang +2 more
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An optimization method for dynamics of structures with repetitive component patterns [PDF]
, 2009 The occurrence of dynamic problems during the operation of machinery may have devastating effects on a product. Therefore, design optimization of these products becomes essential in order to meet safety criteria.
Akcay Perdahcioglu, D. +3 more
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