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

Metrological determination of inhomogeneous hydrodynamic compaction during unsaturated out-of-plane permeability measurement of technical textiles
Abstract. An out-of-plane permeability measurement system is presented that initially enables monitoring of inhomogeneous hydrodynamic compaction of textiles during impregnation. For this, it provides…
Composites Metrological determination, composites, technical textiles, composite molding process

Advanced modeling and simulation of Sheet Moulding Compound (SMC) processes
Abstract SMC processes involve a highly concentrated dispersion of chopped fibres into a resin, placed into a preheated mould, that closes rapidly (about 40 mm/s) squeezing the reinforced resin, inducing the mould filling…
Composites SMC, Confined orientation, Friction, Parametric solutions, PGD

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

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