About
Dr Elias Arcondoulis is a Lecturer in Acoustics in the Institute of Sound and Vibration in Engineering and Physical Sciences at the University of Southampton.
Research
Research groups
Research interests
- Experimental fluid mechanics
- Passive flow and noise controlAcoustic beamforming
- Porous materials
- Water-wave structure interaction
Current research
Unsteady Flow and Surface Loading Around a Wall-Mounted Porous Cylinder in Turbulent Boundary Layers
Porous coatings applied to canonical bodies such as a slender cylinder are highly effective at attenuating vortex shedding in uniform flows, yet their performance in boundary-layer and junction-flow environments is relatively unknown. In addition, the mechanisms by which turbulence, shear layers, and horseshoe vortices generate fluctuating surface stresses on the body remain only partially explored. Understanding how boundary-layer turbulence interacts with rough, porous-coated, or cylindrical geometries is essential for predicting erosion processes such as scour, structural fatigue and environmental loading in offshore and coastal systems.
Intelligent Beamforming for Acoustic Source Localisation in Complex Flows
The accurate localisation of noise sources in aeroacoustic environments remains a major challenge for aircraft, wind-energy, and urban sound studies. Conventional beamforming methods struggle to resolve distributed or broadband sources, particularly at low frequencies and in the presence of strong flow-structure interactions.
This research programme develops and validates new adaptive and data-driven beamforming frameworks that dramatically enhance acoustic source imaging fidelity. Novel array-design algorithms such as the Adaptive Array Reduction Method (AARM) and Array Pairing Method (APM) optimise microphone placement and pairing to minimise sidelobes and main-lobe distortion, generating sharper and more realistic source maps. These physical-model approaches are now being integrated with deep neural network architectures, capable of learning nonlinear source patterns from experimental datasets. Future work will extend these techniques to aeroacoustic sources in anechoic wind-tunnel environments, and to hybrid optical–acoustic imaging of distributed flow-induced noise.
Structured porous breakwaters to protect UK coastlines from the effects of climate change
https://www.bristol.ac.uk/cabot/what-we-do/breakwaters/
Sea-level rise and more frequent and intense storms are impacting coastal communities, with coastal flooding, erosion and damage to infrastructure. Novel breakwater designs have the potential to increase the resilience of UK coastlines to these climate change related events. The aim of this project is to develop a design methodology and pilot test a breakwater designed using structured porous media (SPM) that can perform as a breakwater while significantly reducing harmful environmental impacts. An interdisciplinary approach will be employed, involving the Schools of Mathematics, Geographical Sciences and Civil, Aerospace and Design Engineering. Analytical models of micro-scale fluid mechanics around regularly spaced pores will be developed to calculate pressure losses, transmitted and reflected wave energy onto and through SPM interfaces. These models will be validated via a pilot test of an SPM-breakwater in a water flume, using local coastal wave data as inputs for wave energy.
Publications
Biography
Dr. Elias Arcondoulis is a Lecturer in Acoustics at the Institute of Sound and Vibration Research (ISVR), University of Southampton. His research spans acoustic beamforming, experimental aeroacoustics and fluid mechanics, hydroacoustics, and porous-media flow control. Prior to ISVR, he was a Lecturer at the University of Bristol, where he directed undergraduate teaching in aerospace propulsion and developed innovative, student centred methods, and led a project on structured porous breakwaters to protect UK coastlines from climate change.