Výsledky vyhľadávania - "Giannakoglou, Kyriakos"

On the aerodynamic shape optimization of cars using steady & compression-assisted unsteady adjoint.

Autori: Margetis, Andreas-Stefanos Papoutsis-Kiachagias, Evangelos Giannakoglou, Kyriakos

Zdroj: Engineering Optimization; Dec2025, Vol. 57 Issue 12, p3889-3910, 22p

Predmety: AUTOMOTIVE engineering, NAVIER-Stokes equations, COMPUTATIONAL fluid dynamics, UNSTEADY flow, DATA compression, COMPUTATIONAL aerodynamics, TURBULENCE, ADJOINT differential equations

A continuous adjoint cut‐cell formulation for topology optimization of bi‐fluid heat exchangers.

Autori: Galanos, Nikolaos Papoutsis-Kiachagias, Evangelos Giannakoglou, Kyriakos

Zdroj: International Journal of Numerical Methods for Heat & Fluid Flow; 2025, Vol. 35 Issue 6, p2045-2083, 39p

Predmety: TURBULENT flow, HEAT exchangers, TURBULENCE, STREAMFLOW, LAMINAR flow

Reducing memory requirements of unsteady adjoint by synergistically using check‐pointing and compression.

Autori: Margetis, Andreas‐Stefanos I. Papoutsis‐Kiachagias, Evangelos M. Giannakoglou, Kyriakos C.

Zdroj: International Journal for Numerical Methods in Fluids; Jan2023, Vol. 95 Issue 1, p23-43, 21p

Predmety: LOSSY data compression, LOSSLESS data compression, STRUCTURAL optimization, FLUID mechanics, DATA reduction

Aeroacoustic and Aerodynamic Adjoint-Based Shape Optimization of an Axisymmetric Aero-Engine Intake.

Autori: Monfaredi, Morteza Asouti, Varvara Trompoukis, Xenofon a ďalší

Zdroj: Aerospace (MDPI Publishing); Sep2023, Vol. 10 Issue 9, p743, 14p

Predmety: STRUCTURAL optimization, MULTIDISCIPLINARY design optimization, UNSTEADY flow, STATIC pressure, SOUND pressure, SOUND energy, ANALOGY

The continuous adjoint method to the γ−R˜eθt$$ \gamma -\tilde{R}{e}_{\theta t} $$ transition model coupled with the Spalart–Allmaras model for compressible flows.

Autori: Kontou, Marina G. Trompoukis, Xenofon S. Asouti, Varvara G. a ďalší

Zdroj: International Journal for Numerical Methods in Fluids; Nov2024, Vol. 96 Issue 11, p1715-1740, 26p

Predmety: COMPRESSIBLE flow, FLUID flow, STRUCTURAL optimization, FINITE differences, AERODYNAMICS

Effect of grid displacement models on sensitivity derivatives computed by the continuous adjoint method in aerodynamic and conjugate heat transfer shape optimization.

Autori: Gkaragkounis, Konstantinos T. Papoutsis-Kiachagias, Evangelos M. Tsolovikos, Alexandros G. a ďalší

Zdroj: Engineering Optimization; Aug2021, Vol. 53 Issue 8, p1398-1416, 19p

Predmety: STRUCTURAL optimization, ADJOINT differential equations, HEAT transfer, FINITE differences, PARTIAL differential equations

On the stabilization of steady continuous adjoint solvers in the presence of unsteadiness, in shape optimization.

Autori: Skamagkis, Themistoklis Papoutsis‐Kiachagias, Evangelos M. Giannakoglou, Kyriakos C.

Zdroj: International Journal for Numerical Methods in Fluids; Aug2021, Vol. 93 Issue 8, p2677-2693, 17p

Predmety: STRUCTURAL optimization, ADJOINT differential equations, MOTORCYCLES

The Cut-Cell Method for the Conjugate Heat Transfer Topology Optimization of Turbulent Flows Using the " Think Discrete–Do Continuous " Adjoint.

Autori: Galanos, Nikolaos Papoutsis-Kiachagias, Evangelos M. Giannakoglou, Kyriakos C.

Zdroj: Energies (19961073); Apr2024, Vol. 17 Issue 8, p1817, 25p

Predmety: TURBULENT flow, TURBULENCE, HEAT transfer, NAVIER-Stokes equations, DERIVATIVES (Mathematics)

Discrete and Continuous Adjoint-Based Aerostructural Wing Shape Optimization of a Business Jet.

Autori: Tsiakas, Konstantinos Trompoukis, Xenofon Asouti, Varvara a ďalší

Zdroj: Fluids; Apr2024, Vol. 9 Issue 4, p87, 25p

Predmety: STRUCTURAL optimization, ADJOINT differential equations, TRANSONIC flow, FINITE differences, TURBULENCE, RUNNING speed, DYNAMICS

Radial Basis Function Surrogates for Uncertainty Quantification and Aerodynamic Shape Optimization under Uncertainties.

Autori: Asouti, Varvara Kontou, Marina Giannakoglou, Kyriakos

Zdroj: Fluids; Nov2023, Vol. 8 Issue 11, p292, 15p

Predmety: RADIAL basis functions, POLYNOMIAL chaos, STRUCTURAL optimization, EVOLUTIONARY algorithms, TURNAROUND time, SURFACE roughness

Multiobjective Metamodel–Assisted Memetic Algorithms.

Autori: Georgopoulou, Chariklia A. Giannakoglou, Kyriakos C.

Zdroj: Multi-objective Memetic Algorithms; 2009, p153-181, 29p

Synergistic use of adjoint-based topology and shape optimization for the design of Bi-fluid heat exchangers.

Autori: Galanos, Nikolaos Papoutsis-Kiachagias, Evangelos M. Giannakoglou, Kyriakos C. a ďalší

Zdroj: Structural & Multidisciplinary Optimization; Sep2022, Vol. 65 Issue 9, p1-25, 25p

λ-DNNs and their implementation in conjugate heat transfer shape optimization.

Autori: Kontou, Marina Kapsoulis, Dimitrios Baklagis, Ioannis a ďalší

Zdroj: Neural Computing & Applications; Jan2022, Vol. 34 Issue 2, p843-854, 12p

Predmety: STRUCTURAL optimization, HEAT transfer, HEAT conduction, HEAT equation, COMPUTATIONAL fluid dynamics

Development and assessment of an intrusive polynomial chaos expansion‐based continuous adjoint method for shape optimization under uncertainties.

Autori: Papageorgiou, Anastasios K. Papoutsis‐Kiachagias, Evangelos M. Giannakoglou, Kyriakos C.

Zdroj: International Journal for Numerical Methods in Fluids; Jan2022, Vol. 94 Issue 1, p59-75, 17p

Predmety: ADJOINT differential equations, STRUCTURAL optimization, POLYNOMIAL chaos, NUMERICAL solutions to equations, MONTE Carlo method, LAMINAR flow, NAVIER-Stokes equations

Continuous Adjoint-Based Optimization of an Internally Cooled Turbine Blade--Mathematical Development and Application.

Autori: Trompoukis, Xenofon Tsiakas, Konstantinos Asouti, Varvara a ďalší

Zdroj: International Journal of Turbomachinery, Propulsion & Power; Jun2021, Vol. 6 Issue 2, p1-17, 17p

Predmety: TURBINE blades, HEAT transfer, AEROFOILS, VOLUME (Cubic content), COMPUTER software

Adjoint variable‐based shape optimization with bounding surface constraints.

Autori: Damigos, Marios G. Papoutsis‐Kiachagias, Evangelos M. Giannakoglou, Kyriakos C.

Zdroj: International Journal for Numerical Methods in Fluids; Mar2021, Vol. 93 Issue 3, p590-609, 20p

Predmety: STRUCTURAL optimization, ADJOINT differential equations, PARAMETERIZATION, AUTOMOBILES

Gradient-based Pareto front approximation applied to turbomachinery shape optimization.

Autori: Vasilopoulos, Ilias Asouti, Varvara G. Giannakoglou, Kyriakos C. a ďalší

Zdroj: Engineering with Computers; 2021, Vol. 37 Issue 1, p449-459, 11p

Predmety: STRUCTURAL optimization, ADJOINT differential equations, HESSIAN matrices, EVOLUTIONARY algorithms, COST functions, AEROFOILS

Geografický termín: NEW York (State)

Reducing memory requirements of unsteady adjoint by synergistically using check‐pointing and compression

Autori: Margetis, Andreas‐Stefanos I. Papoutsis‐Kiachagias, Evangelos M. Giannakoglou, Kyriakos C.

Zdroj: International Journal for Numerical Methods in Fluids ; volume 95, issue 1, page 23-43 ; ISSN 0271-2091 1097-0363

Dostupnosť: https://doi.org/10.1002/fld.5136
https://onlinelibrary.wiley.com/doi/pdf/10.1002/fld.5136
https://onlinelibrary.wiley.com/doi/full-xml/10.1002/fld.5136

Optimization of a static mixing device using the continuous adjoint to a two-phase mixing model.

Autori: Alexias, Pavlos Giannakoglou, Kyriakos C.

Zdroj: Optimization & Engineering; Jun2020, Vol. 21 Issue 2, p631-650, 20p

Synergetic use of different evaluation, parameterization and search tools within a multilevel optimization platform

Autori: Kampolis, Ioannis C. Giannakoglou, Kyriakos C.

Zdroj: Applied Soft Computing. Jan2011, Vol. 11 Issue 1, p645-651. 7p.

Predmety: Multidisciplinary design optimization, Parameter estimation, Problem solving, Algorithms, Multilevel models, Mathematical mappings, Mathematical variables