Computational aeroacoustics: An overview of computational challenges and applications

CKW Tam - International Journal of Computational Fluid Dynamics, 2004 - Taylor & Francis
The objective of this paper is to present an overview of recent advances in computational
aeroacoustics (CAA). During the last decade, CAA has developed quite independent of …

Recent advances in computational aeroacoustics

CKW Tam - Fluid dynamics research, 2006 - iopscience.iop.org
There are intrinsic differences between the characteristics and the objectives of
aeroacoustics problems and typical fluid dynamics problems. These differences are not …

A space-time conservation element and solution element method for solving the two-and three-dimensional unsteady Euler equations using quadrilateral and …

ZC Zhang, STJ Yu, SC Chang - Journal of Computational Physics, 2002 - Elsevier
In this paper, we report a version of the space-time conservation element and solution
element (CE/SE) method in which the 2D and 3D unsteady Euler equations are simulated …

基于模态分解的轴对称超声速射流啸声产生位置数值分析

李虎, 罗勇, 韩帅斌, 王益民, 武从海, 刘旭亮 - 力学学报, 2022 - lxxb.cstam.org.cn
不完全膨胀超声速射流的势核中会产生准周期的激波栅格结构, 其与剪切层内拟序结构的相互
作用会产生激波噪声. 啸声是主要向上游方向传播的, 具有离散频率的高强度激波噪声 …

Assessment of upwind/symmetric WENO schemes for direct numerical simulation of screech tone in supersonic jet

H Li, Y Luo, S Zhang - Journal of Scientific Computing, 2021 - Springer
Screech tones are the high intensity shock-associated noise with discrete frequency in
imperfectly supersonic jet. Accuracte numerical simulation of shock-associated noise …

The source localization and dynamical evolution of axisymmetric screech modes in underexpanded supersonic jets

H Li, Y Luo, S Han, Y Wang, C Wu, R Ma - Aerospace Science and …, 2023 - Elsevier
High order numerical simulations of underexpanded supersonic cold jets issuing from a
circular sonic nozzle are conducted to investigate the effective source location of …

Numerical simulation of the generation mechanism of axisymmetric supersonic jet screech tones

XD Li, JH Gao - Physics of Fluids, 2005 - pubs.aip.org
In this paper an axisymmetric computational aeroacoustic procedure is developed to
investigate the generation mechanism of axisymmetric supersonic jet screech tones. The …

Numerical investigation of 3-D supersonic jet flows using large-eddy simulation

SC Lo, KM Aikens, GA Blaisdell… - International Journal of …, 2012 - journals.sagepub.com
The farfield noise generated by supersonic jets is investigated by a computational
aeroacoustics methodology that couples 3-D large-eddy simulation (LES) near field data …

Numerical simulation of the three-dimensional screech phenomenon from a circular jet

XD Li, JH Gao - Physics of Fluids, 2008 - pubs.aip.org
Despite great advances on jet screech research during the past few decades, the prediction
of jet screech amplitudes still remains a challenging task. The main objective of this paper is …

Numerical study on the generation position of screech tone in axisymmetric supersonic jet based on modal decomposition

L Hu, L Yong, H Shuaibin, W Yimin… - Chinese Journal of …, 2022 - lxxb.cstam.org.cn
For the imperfectly expanded supersonic jet, the quasi-periodic shock-cell structures in jet
core interacts with the coherent structures in shear layer to generate shock-associated …