Results 51 to 60 of about 21,879 (220)
On an Exact Step Length in Gradient-Based Aerodynamic Shape Optimization—Part II: Viscous Flows
Fluids, 2021 This study presents an extension of a previous study (On an Exact Step Length in Gradient-Based Aerodynamic Shape Optimization) to viscous transonic flows. In this work, we showed that the same procedure to derive an explicit expression for an exact step
Farzad Mohebbi +2 more
doaj +1 more source
, 2017 Proper quantification and propagation of uncertainties in computational simulations are of critical importance. This issue is especially challenging for CFD applications.
Roy, Christopher J. +2 more
core +1 more source
Airfoil Blender for Blade Optimizations
Journal of Physics: Conference Series, 2018 An airfoil database was developed in the present work. The database includes a multivariate, unstructured grid, Radial Basis Function (RBF), optimization-compatible interpolator for airfoil aerodynamic coefficients. The database was designed to aid complex blade design optimizations carried out in a novel optimization framework, HAWTOpt2, being ...
Skrzypiński, Witold +2 more
openaire +1 more source
Small, EarlyView.ABSTRACT The rapid expansion of the Internet of Things (IoT) and wearable electronics necessitates sustainable power sources to replace the limited electrochemical battery. While mechanical energy harvesting offers a promising solution, traditional harvesters face challenges of irregular and low−frequency environmental sources. This review presents the
Yongbin Han +2 more
wiley +1 more source
Study of the development and verification of an integrated code for UAV design [PDF]
, 2015 L'objectiu d'aquest estudi és desenvolupar una eina de disseny d'aeronaus utilitzant algoritmes d'optimització per a facilitar el procés. Es pretén incorporar el codi d'estudi i simulació de les actuacions d'un UAV desenvolupat per l'equip Trencalòs Team
Armengol Garcia, Lluís
core
Hierarchical Differentiable Fluid Simulation
Computer Graphics Forum, EarlyView.We introduce a two‐step algorithm that significantly reduces memory usage for solving control problems using differentiable fluid simulation techniques: our method first optimizes for bulk forces at reduced resolution, then refines local details over sub‐domains while maintaining differentiability. In trading runtime for memory, it enables optimization
Xiangyu Kong +4 more
wiley +1 more source
FluidsAn adaptive Free-Form Deformation parameterization method based on a spring analogy is presented for aerodynamic shape optimization problems. The proposed method effectively incorporates the gradients of the objective and constraint functions, achieving ...
Jinxin Zhou +3 more
doaj +1 more source
Parametric research and aerodynamic performance analysis of wind turbine airfoil with added flap
AIP Advances, 2022 A self-popped up flap is added to the airfoil (S809) suction surface to improve aerodynamic performance under large angle of attack (AOA) inspired by the slightly popped up feathers on the trailing edge of a bird’s wing. The response surface methodology (
Qimin Ma +3 more
doaj +1 more source
Numerical analysis of the influence of design parameters on the efficiency of an OWC axial impulse turbine for wave energy conversion [PDF]
, 2019 Oscillating water column (OWC) axial impulse turbines permit the conversion of wave energy into electrical power. Unlike other hydropower units with a mature and well established technology, such turbines have been recently developed, there are still few
Luo, Yongyao +2 more
core +2 more sources
Fuel Cells, Volume 26, Issue 3, June 2026.ABSTRACT SUS 316L bipolar plates (BPPs) with rectangular micro‐channels for polymer electrolyte membrane fuel cell (PEMFC) were fabricated using powder bed fusion (PBF) technology, and the effects of flow‐field structure parameters (channel width, rib width, and channel depth) on fuel cell performance were analyzed.
Chul Kyu Jin, Sung Hwan Bae, Min Sik Lee
wiley +1 more source