Programme
The programme is divided in two days:
Thursday 20 sep. 2012 from 8h30 until 19h00 and Friday 21 sep. 2012
from 8h30 until 18h00.
Course programme
- Introduction to technical acoustics
Fundamentals of sound generation, definition of sound parameters, measurement of sound pressure, sound intensity and sound power.
- Vibro-acoustic modal analysis
Physical considerations, measurement principles, analysis procedures, interpretation, vibro-acoustic reciprocity.
- Source localisation
Microphone array techniques, near field acoustic holography and inverse frequency response function technique, case study.
- Noise and vibration transfer path analysis
Theoretical background, experimental procedures, accuracy and critical elements, applications to engine noise and road noise analysis, case study.
- Subjective noise evaluation
Psycho-acoustic background, objective measurements, subjective evaluation, sound quality metrics, demonstration.
- Active noise control
Theoretical background, principles, active noise control concepts, instrumentation, control hardware, applications.
- Introduction to numerical acoustics
Concepts of numerical acoustics, overview of solution methods for interior/exterior problems.
- Acoustic finite elements
Finite element formulation, application field, coupled versus uncoupled problems, examples.
- Acoustic boundary elements
Boundary integral formulations, application field, solution schemes, coupled versus uncoupled problems, modelling considerations.
- Vibro-acoustic CAE from a practical perspective
Bottlenecks and challenges in the industrial use of vibro-acoustic CAE. Efficient strategies. Appropriate meshing procedures and load definitions.
- Mid- and high-frequency techniques
Theoretical background, principles and applications of some alternative modelling techniques.
- Engineering approach for robust vibro-acoustic design
optimization
Optimization approaches for robust vibro-acoustic design. Methodologies and illustrations.
- Vibro-acoustic CAE of smart systems
Virtual design methodologies for the vibro-acoustic analysis and optimization of smart systems.
