Results 31 to 40 of about 179 (124)
Modeling of unsteady aerodynamic loads
Time-accurate solutions of the Euler or Navier-Stokes equations are still nowadays a computationally expensive approach for applications where a magnitude of parameters has to be investigated. This work focuses on flight dynamics-related studies.
Cummings, R. M. +4 more
core +1 more source
Density Modulations of Zero Sound
Zero sound is a collective mode of the strongly interacting quantum gas that propagates when atomic collisions are negligible, similarly to a plasmon. This work aims at investigating the conditions under which a density modulation associated to this collective mode travels coherently through a strongly interacting Fermi gas.
Leonardo Pisani
wiley +1 more source
Non‐Linear Reduced Order Modelling of Transonic Potential Flows for Fast Aerodynamic Analysis
ABSTRACT This work presents a physics‐based reduced order modelling (ROM) framework for the efficient simulation of steady transonic potential flows around aerodynamic configurations. The approach leverages proper orthogonal decomposition and a least‐squares Petrov‐Galerkin (LSPG) projection to construct intrusive ROMs for the full potential equation ...
M. Zuñiga +3 more
wiley +1 more source
Forced response prediction for industrial gas turbine blades [PDF]
A highly efficient aeromechanical forced response system is developed for predicting resonant forced vibration of turbomachinery blades with the capabilities of fully 3-D non-linear unsteady aerodynamics, 3-D finite element modal analysis and blade root ...
Moffatt, Stuart
core
Application of Gamification Mechanics to Computational Fluid Dynamics Seminars Using Genially
ABSTRACT This work describes the procedure for the gamification of Computational Fluid Dynamics (CFD) seminars, with the aim of increasing student motivation and simplifying the learning and acquisition of skills related to the use of CFD tools. The seminar activity is divided into two parts: (i) autonomous work along the semester, in which students ...
Gema Gómez‐Pozuelo +2 more
wiley +1 more source
Engineered topologies surfaces with special wettability are promising for their ability to precisely customize wetting behaviors and incorporate versatile functionalities, setting them apart from randomly structured surfaces. However, robustness and durability have been hurdles to their broad application.
Sin‐Yung Siu +6 more
wiley +1 more source
Experimental measurements reveal distinct performance boundaries: TMM achieves rapid convergence (< 2 dB error below 2000 Hz) but neglects 3D wave effects; FEA maintains < 10% deviation up to 3500 Hz with 90% reduced computational cost versus CFD; while transient CFD captures broadband attenuation trends despite 10× higher resource demands.
Bin Fang, Tong Wei, Yi Yang, Xintie Wang
wiley +1 more source
Topics in Numerical Computation of Compressible Flow [PDF]
This thesis aims to assist the development of a multiblock implicit Navier-Stokes code for hypersonic flow applications. There are mainly three topics, which concern the understanding of basic Riemann solvers, the implementing of implicit zonal ...
Lin, Hong-Chia
core +2 more sources
Abstract A number of mechanisms have been suggested to operate within the terrestrial bow shock to redistribute energy contained in the incoming solar wind flow. The majority of mechanisms involve the generation of turbulence while some are based on particle motion alone.
Simon N. Walker +2 more
wiley +1 more source
This paper presents an integrated simulation framework for assessing air‐to‐air engagement effectiveness, accounting for missile guidance dynamics, target motion, radar signal processing, and target vulnerability to warhead effects. The proposed approach combines models of missile‐target interaction, radar cross‐section (RCS)‐based signal processing ...
Witold Bużantowicz, Kamil Klicki
wiley +1 more source

