Compactness and dichotomy in nonlocal shape optimization
Sign Up to like & getrecommendations! Published in 2020 at "Mathematische Nachrichten"
DOI: 10.1002/mana.201800234
Abstract: We prove a general result about the behaviour of minimizing sequences for nonlocal shape functionals satisfying suitable structural assumptions. Typical examples include functions of the eigenvalues of the fractional Laplacian under homogeneous Dirichlet boundary conditions.… read more here.
Keywords: shape; shape optimization; dichotomy nonlocal; compactness dichotomy ... See more keywords
On structural shape optimization using an embedding domain discretization technique
Sign Up to like & getrecommendations! Published in 2017 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.5326
Abstract: Summary This contribution presents a novel approach to structural shape optimization that relies on an embedding domain discretization technique. The evolving shape design is embedded within a uniform finite element background mesh which is then… read more here.
Keywords: shape optimization; shape; embedding domain; domain discretization ... See more keywords
Efficient aerodynamic shape optimization of transonic wings using a parallel infilling strategy and surrogate models
Sign Up to like & getrecommendations! Published in 2017 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-016-1546-7
Abstract: Surrogate models are used to dramatically improve the design efficiency of numerical aerodynamic shape optimization, where high-fidelity, expensive computational fluid dynamics (CFD) is often employed. Traditionally, in adaptation, only one single sample point is chosen… read more here.
Keywords: shape optimization; optimization transonic; surrogate; optimization ... See more keywords
Structural shape optimization using Cartesian grids and automatic h-adaptive mesh projection
Sign Up to like & getrecommendations! Published in 2018 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-017-1875-1
Abstract: We present a novel approach to 3D structural shape optimization that leans on an Immersed Boundary Method. A boundary tracking strategy based on evaluating the intersections between a fixed Cartesian grid and the evolving geometry… read more here.
Keywords: shape optimization; shape; optimization using; using cartesian ... See more keywords
A simplified shape optimization strategy for blended-wing-body underwater gliders
Sign Up to like & getrecommendations! Published in 2018 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-018-2005-4
Abstract: This paper presents a simplified shape optimization (SSO) strategy for blended-wing-body underwater gliders (BWBUGs). In this strategy, the 3-D shape optimization of the BWBUG is approximately simplified into three 2-D airfoil design problems. The three… read more here.
Keywords: shape optimization; strategy blended; shape; optimization ... See more keywords
On dual dynamic programming in shape optimization of coupled models
Sign Up to like & getrecommendations! Published in 2019 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-018-2057-5
Abstract: We propose a new method for analysis of shape optimization of coupled models. The framework of the dual dynamic programming is introduced for a solution of the problems. The shape optimization of coupled model is… read more here.
Keywords: shape optimization; optimization coupled; coupled models; optimization ... See more keywords
Shape optimization of material inclusions in dielectric elastomer composites
Sign Up to like & getrecommendations! Published in 2019 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-019-01540-1
Abstract: In recent years, dielectric elastomers became a new alternative in the field of actuation technology. Because of the softness of these materials, they can be deformed in a finite strain regime under the application of… read more here.
Keywords: material inclusions; dielectric elastomer; shape optimization; elastomer ... See more keywords
Secondary shape optimization of topological boundary of cold plate channels
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DOI: 10.1007/s11012-019-01108-x
Abstract: Secondary shape optimization for topological boundary is proposed to further improve heat dissipation performance of cold plates. Firstly, the topological boundaries obtained with topology optimization are fitted parametrically by Bezier curves. Here, considering the numerical… read more here.
Keywords: shape optimization; topological boundary; secondary shape; optimization ... See more keywords
Shape optimization for the design of passive mid-infrared photonic components
Sign Up to like & getrecommendations! Published in 2019 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-019-1849-1
Abstract: Shape optimization techniques were first developed in the context of mechanical engineering and, more recently, applied to photonic components for data communication. Here, motivated by the growing application potential of mid-infrared photonics driven by chemical… read more here.
Keywords: optimization; mid infrared; shape optimization; photonic components ... See more keywords
A Critical Review: Shape Optimization of Welded Plate Heat Exchangers based on Grey Correlation Theory
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.08.086
Abstract: Abstract Shape optimization and heat analysis of heat exchangers are important areas of research that are seeking attention among scholars from thermal engineering and related fields since decades. In the 123rd volume of Applied Thermal… read more here.
Keywords: shape optimization; theory; heat exchangers; optimization ... See more keywords
Robust aerodynamic morphing shape optimization for high-lift missions
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2020.105897
Abstract: Abstract Morphing wings have a great potential to enhance the overall performances of the aircraft by adapting the wing shape to various flight conditions. However, there are some issues concerning the applicability of this idea… read more here.
Keywords: shape optimization; lift missions; high lift; lift ... See more keywords