Course Schedule

 

Thursday, 16 September 2021
8h30 Registration
9h00 – 9h30 Overview of the course
W. Desmet, KU Leuven, Belgium
9h30 – 10h30  Introduction to the technical acoustics
Fundamentals of sound generation, the definition of sound parameters, measurement of sound pressure, sound intensity, and sound power.
W. Desmet, KU Leuven, Belgium
10h30 – 11h00 Coffee break
11h00 - 12.00 Fundamentals of acoustic imaging
Sound source localisation, beamforming using microphone arrays, near field acoustic holography
L. De Ryck, Siemens Industry Software, Belgium
12h00 – 13h30 Lunch
13h30 – 15h00 Transfer path identification
Basic concepts of acoustic modal testing. Theoretical background and experimental procedures of Transfer Path Analysis techniques. Applications to engine noise and road noise analysis.
K. Wyckaert, Siemens Industry Software, Belgium
15h00-16h00 Sound perception – Sound quality
Psycho-acoustic background, objective measurements, subjective evaluation, sound quality metrics, demonstration.
H. Van der Auweraer, Siemens Industry Software, Belgium
16h00 – 16h30  Coffee break
16h30 – 18h30 Advanced noise control engineering solutions
Working principles and characterization of visco-elastic and poro-elastic material solutions. Basic concepts and demonstration of innovative meta-material solutions. Basic concepts of active noise control solutions
E. Deckers, KU Leuven, Belgium

 

 

Friday, 17 September 2021
8h30 – 9h15 Introduction to numerical acoustics
Concepts of numerical (flow) acoustics, overview of solution methods for interior/exterior problems.
B. Pluymers, KU Leuven, Belgium
9h15 – 10h15 Acoustic finite elements
Finite element formulation, application field, coupled versus uncoupled problems, example.
D. Vandepitte, KU Leuven, Belgium
10h15 – 10h45 Coffee break
10h45 – 11h45 Acoustic boundary elements
Boundary integral formulations, application field, solution schemes, coupled versus uncoupled problems, modelling considerations.
B. Pluymers, KU Leuven, Belgium
11h45 – 12h30 Mid- and high-frequency techniques
Theoretical background, principles, assumptions and applications of Statistical Energy Analysis (SEA). Overview of some alternative modelling techniques.
E. Deckers, KU Leuven, Belgium
12h30 – 13h30 Lunch
13h30 – 14h15 Novel technologies for advanced NVH simulation
Higher-order methods for efficient vibro-acoustic simulation. PML methods for efficient acoustic radiation simulation. Advanced meshing procedures and load modelling.
H. Beriot, Siemens Industry Software, Belgium
14h15 – 15h15 Aero-acoustic modelling and testing
Basic concepts of aero-acoustic source characterization. Process flow in hybrid aero-acoustic simulation. Two-port methods for flow-acoustic characterization.
E. Deckers, KU Leuven, Belgium
15h15 – 15h45 Coffee break
15h45 – 17h00 Integrated application cases
Application of the measurement, modelling and analysis techniques for the NVH investigation of electric drivetrains and for Advanced Pass-by noise evaluation.
S. Dom, Siemens Industry Software, Belgium