Comparison of multi-fidelity approaches for military vehicle design
This paper overviews the efforts of a technical team within the NATO Applied Vehicle
Technology Panel to apply multi-fidelity methods to vehicle design. The objectives of the …
Technology Panel to apply multi-fidelity methods to vehicle design. The objectives of the …
Hull form optimization design of SWATH with combination evaluations of resistance and seakeeping performance
G Guan, Z Zhuang, Q Yang, P Wang, S Jin - Ocean Engineering, 2022 - Elsevier
With the rapid development of the marine economy, marine operations are gradually
diversified. To improve the hydrodynamic performance of SWATH in offshore working …
diversified. To improve the hydrodynamic performance of SWATH in offshore working …
Efficient initialization for multi-fidelity surrogate-based optimization
The performance of surrogate-based optimization is dependent on the surrogate training set,
certainly for realistic optimizations where the high cost of computing the training set data …
certainly for realistic optimizations where the high cost of computing the training set data …
Multifidelity domain-aware learning for the design of re-entry vehicles
The multidisciplinary design optimization (MDO) of re-entry vehicles presents many
challenges associated with the plurality of the domains that characterize the design problem …
challenges associated with the plurality of the domains that characterize the design problem …
Faster turn-around times for the design and optimization of functional surfaces
S Harries, C Abt - Ocean Engineering, 2019 - Elsevier
The design and optimization of functional surfaces on the basis of many simulations, now
increasingly called simulation-driven design, leads to excellent products but still demands …
increasingly called simulation-driven design, leads to excellent products but still demands …
Parametric design and optimization of SWATH for reduced resistance based on evolutionary algorithm
G Guan, Q Yang, Y Wang, S Zhou, Z Zhuang - Journal of Marine Science …, 2021 - Springer
This study develops a numerical simulation-based optimization procedure of Small
Waterplane Area Twin Hull (SWATH) design. The procedure integrates the parametric …
Waterplane Area Twin Hull (SWATH) design. The procedure integrates the parametric …
Hybridization of multi-objective deterministic particle swarm with derivative-free local searches
The paper presents a multi-objective derivative-free and deterministic global/local hybrid
algorithm for the efficient and effective solution of simulation-based design optimization …
algorithm for the efficient and effective solution of simulation-based design optimization …
[HTML][HTML] A cross-entropy algorithm based on Quasi-Monte Carlo estimation and its application in hull form optimization
X Liu, H Zhang, Q Liu, S Dong, C Xiao - International Journal of Naval …, 2021 - Elsevier
Simulation-based hull form optimization is a typical HEB (high-dimensional, expensive
computationally, black-box) problem. Conventional optimization algorithms easily fall into …
computationally, black-box) problem. Conventional optimization algorithms easily fall into …
Multi-fidelity hydrodynamic analysis of an autonomous surface vehicle at surveying speed in deep water subject to variable payload
Autonomous surface vehicles (ASV) allow the investigation of coastal areas, ports, and
harbors as well as harsh and dangerous environments such as the arctic regions. In the past …
harbors as well as harsh and dangerous environments such as the arctic regions. In the past …
Adaptive sampling criteria for multi-fidelity metamodels in CFD-based shape optimization
The paper presents a study on four adaptive sampling methods of a multi-fidelity global
metamodel for expensive computer simulations. The multi-fidelity approximation is built as …
metamodel for expensive computer simulations. The multi-fidelity approximation is built as …