Technical papers

Getrag Transmission Rattle Noise Prediction

„Transmission Rattle“ is a noise phenomenon of vehicle transmissions and determines significantly the transmission quality with regards to the attribute NVH. It is initiated by the periodic torque fluctuation of…

Simulation-Based System Reliability Analysis of Electrohydraulic Actuator with Dual Modular Redundancy

“Simulation-Based System Reliability Analysis of Electrohydraulic Actuator with Dual Modular Redundancy” published as a paper at the 12th International Fluid Power Conference 2020 in Dresden, Germany.…

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…

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

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

The Practical and Effective Deployment of Virtual Casting

It can be an interesting journey when a foundry moves from quite conventional process design methods to one based on virtual prototyping technology, i.e. computational or virtual casting. Specific examples are discussed…

Developing and testing control unit software using virtual models

In the development process of new components, new systems or new machines, the integration of different disciplines, such as hydraulics, mechanics or electronics, is becoming increasingly important in the development…