Technical papers

Vibro-acoustic modelling of aircraft structures using Finite Element- informed Statistical Energy Analysis
Abstract. This paper addresses the problem of predicting the structure borne and airborne sound transmission in aircraft using Statistical Energy Analysis (SEA). Often analytical formulations are used…
Vibro-Acoustics

Modeling Launch Vehicle Liftoff Acoustics with Ray Tracing
Abstract. Spacecraft vehicles are subject to important external acoustic load during liftoff and when they are operated in the atmosphere. During liftoff, this acoustic load is caused by the engines…
Vibro-Acoustics

Development of a Process to Predict Whole Vehicle Aeroacoustic Interior Noise
Abstract. Quality and refinement are of paramount importance for luxury vehicles. The rapid electrification of the automotive industry has increased the contribution of aeroacoustics to the consumer…
Vibro-Acoustics

Vibration Analyses in the Marine Industry based on System Simulation
Presentation Overview
  • What is system simulation and where it is used in marine applications?
  • Transient and steady-state torsional vibration analysis
  • Application to vibro-acoustics…
    Vibro-Acoustics

Ray Tracing In VA One
Steady-state analysis: Predicts the frequency response due to a steady state sources, including:
  • Multiple compact acoustic sources
  • Sources with directivity (with BEM interface, CLF or Test)…
    Vibro-Acoustics

Calculation of Bistatic and Monostatic Scattering from Underwater Target with a Hybrid Finite and Boundary Element Method
Present at Vibro-Acoustics Seminar 2018 - Cannock, United Kingdom
Vibro-Acoustics

Interior noise prediction in cargo ship
Noise in cargo ships has become an important topic as international regulations are increasing the constraints. Predicting the sound pressure level in crew cabins for a new ship and diagnose the effect of design changes…
Vibro-Acoustics

Using CFD to predict Underwater Radiated Noise (URN) and Propeller Noise
Prepared for AIAA Aviation  ASME Turbo Expo
Vibro-Acoustics

Coupled Vibro-Acoustic and CFD Modeling Solution for Complex-Shaped Mufflers Subject
Flow within a duct strongly affects the propagation of acoustic waves. This effect must be addressed by the vibroacoustic modeling of duct systems that are subject to flow. The effective sound propagation speed in a…
CFD, Vibro-Acoustics

Modeling of structure-borne underwater radiated noise using a small reference structure
Increased environmental awareness has created the need in commercial shipping, in addition to established military requirements, to understand and manage structure-borne machinery noise radiated to water. Noise created…
Vibro-Acoustics