Results 1 to 10 of about 64,315 (262)

AN IMPROVED SURROGATE CONSTRAINTS METHOD FOR SEPARABLE NONLINEAR INTEGER PROGRAMMING [PDF]

open access: yesJournal of the Operations Research Society of Japan, 2003
Summary: An improved surrogate constraints method for solving separable nonlinear integer programming problems with multiple constraints is presented. The surrogate constraints method is very effective in solving problems with multiple constraints. The method solves a succession of surrogate constraints problems having a single constraint instead of ...
Nakagawa Yuji, 仲川 勇二
openaire   +5 more sources

An efficient geometric constraint handling method for surrogate-based aerodynamic shape optimization

open access: yesEngineering 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
doaj   +2 more sources

A Transformation-Based Improved Kriging Method for the Black Box Problem in Reliability-Based Design Optimization

open access: yesMathematics, 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
doaj   +1 more source

Genetic optimization method of ship strong frame based on sequential surrogate model

open access: yesZhongguo 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
doaj   +1 more source

Development of surrogate models in reliability-based design optimization: A review

open access: yesMathematical Biosciences and Engineering, 2021
Reliability-based design optimization (RBDO) is applied to handle the unavoidable uncertainties in engineering applications. To alleviate the huge computational burden in reliability analysis and design optimization, surrogate models are introduced to ...
Xiaoke Li   +6 more
doaj   +1 more source

An Efficient Surrogate-Based Optimization Method for BWBUG Based on Multifidelity Model and Geometric Constraint Gradients [PDF]

open access: yesMathematical 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

Parallel image restoration using surrogate constraint methods [PDF]

open access: yesJournal of Parallel and Distributed Computing, 2007
no ...
Uçar, Bora   +3 more
openaire   +6 more sources

Multi-Step Structural Optimization Design of Multi-Bubble Pressure Cabin in the Autonomous Underwater Vehicle with Blended-Wing-Body [PDF]

open access: yesXibei 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.

doaj   +1 more source

Multi-fidelity sequential constraint updating optimization approach based on confidence intervals and its application

open access: yesZhongguo 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
doaj   +1 more source

Efficiency Optimization Design That Considers Control of Interior Permanent Magnet Synchronous Motors Based on Machine Learning for Automotive Application

open access: yesIEEE 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
doaj   +1 more source

Home - About - Disclaimer - Privacy