Results 1 to 10 of about 11,997,994 (262)
An efficient geometric constraint handling method for surrogate-based aerodynamic shape optimization
Engineering Applications of Computational Fluid Mechanics, 2023 Handling a large number of geometric constraints brings a big challenge to the surrogate-based aerodynamic shape optimization (ASO) driven by computational fluid dynamics (CFD).
Kai Wang +3 more
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Parallel image restoration using surrogate constraint methods [PDF]
Journal of Parallel and Distributed Computing, 2007 no ...
Uçar, Bora +3 more
exaly +8 more sources
Mathematics, 2023 In order to overcome the drawbacks of expensive function evaluation in the practical reliability-based design optimization (RBDO) problem, researchers have proposed the black box-based RBDO method.
Li Lu, Yizhong Wu, Qi Zhang, Ping Qiao
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Genetic optimization method of ship strong frame based on sequential surrogate model
Zhongguo Jianchuan Yanjiu, 2021 ObjectivesThe optimization design of a ship strong frame structure under the requirements of the common structural rules (CSR) is a complex and time-consuming problem. Moreover, its tremendous constraints make it difficult to judge the feasibility of any
Junze WANG +7 more
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An Efficient Surrogate-Based Optimization Method for BWBUG Based on Multifidelity Model and Geometric Constraint Gradients [PDF]
Mathematical Problems in Engineering, 2021 Performing shape optimization of blended-wing-body underwater glider (BWBUG) can significantly improve its gliding performance. However, high-fidelity CFD analysis and geometric constraint calculation in traditional surrogate-based optimization methods are expensive.
Daiyu Zhang +3 more
openaire +1 more source
Multi-Step Structural Optimization Design of Multi-Bubble Pressure Cabin in the Autonomous Underwater Vehicle with Blended-Wing-Body [PDF]
Xibei Gongye Daxue Xuebao, 2018 In this paper, multi-bubble pressure cabin is proposed for the flat fuselage of blended-wing-body(BWB) autonomous underwater vehicle(AUV). It has strong compressive capacity and makes full use of the fuselage space.
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Zhongguo Jianchuan Yanjiu, 2021 Objectives This study addresses the problem of time-consuming simulation in the optimization design of underwater structures. Focusing on time-consuming and non-time-consuming targets and constraints, it proposes an optimization method for constrained ...
Jiachang QIAN +2 more
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IEEE Access, 2023 Interior permanent magnet synchronous motors have become widely used as traction motors in environmentally friendly vehicles. Interior permanent magnet synchronous motors have a high degree of design freedom and time-consuming finite element analysis is ...
Yuki Shimizu
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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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