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…

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…

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…

Renault employs ESI QuikCAST to Define Standards for Quality Castings

THE CHALLENGE To define design rules for filling & feeding systems across different product lines to enhance competitiveness and achieve quality casting production. THE STORY Traditional methods in the past had…

Added Value of Process Modelling in Development of Automotive Die Casting Parts

Porosity in high performance castings can reduce mechanical properties and consequently degrade both component life and durability. Automotive Market increasingly requests High Performance Castings with high structural…

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

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…

Using CFD to predict Underwater Radiated Noise (URN) and Propeller Noise

Prepared for AIAA Aviation  ASME Turbo Expo