ISAAC Programme


The programme is divided in two days:
Thursday 19 Sept. 2019 from 8h30 until 18h30 and Friday 20 Sept. 2019 from 8h30 until 17h00.

Course programme

Thursday, 19 September, 2019

• 8h30: Registration

• 9h00 – 9h30: Overview of the course
W. Desmet, KU Leuven, Belgium

• 9h30 – 10h30: Introduction to technical acoustics
Fundamentals of sound generation, definition of sound parameters, measurement of sound pressure, sound intensity and sound power.
W. Desmet, KU Leuven, Belgium

• 10h30 – 11h00: Coffee break

• 11h00 – 12h00: Fundamentals of acoustic imaging
Microphone array techniques, near field acoustic holography and inverse frequency response function technique, case study.
J. Cuenca, E. Sorber, 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, 20 September, 2019

• 8h30 – 9h15: Introduction to numerical acoustics
Concepts of numerical acoustics, overview of solution methods for interior/exterior problems.
W. Desmet, KU Leuven, Belgium

• 9h15 – 10h15: Acoustic finite elements
Finite element formulation, application field, coupled versus uncoupled problems, examples.
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.
W. Desmet, KU Leuven, Belgium

• 11h45 – 12h30: Mid- and high-frequency techniques
Theoretical background, principles, assumptions and applications of Statistical Energy Analysis (SEA). Introduction to wave-based methods.
W. Desmet, KU Leuven, Belgium

• 12h30 – 13h30: Lunch

• 13h30 – 14h15: Novel technologies or advanced NVH simulations
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 characterisation. Process flow in hybrid aero-acoustic simulation. Two-port methods for flow-acoustic characterisation.
W. De Roeck, 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