Poznan University of Technology
European Credit Transfer System
Faculty of Mechanical Engineering and Management
STUDY MODULE DESCRIPTION FORM
Name of the module/subject
Code
FEM Acoustical Modeling in COMSOL Multiphysics
Field of study
Profile of study
(general academic, practical)
Mechanical Engineering and Management
Year /Semester
general academic
Elective path/specialty
III/1
Subject offered in:
xxx
Course (compulsory, elective)
english
obligatory
No. of hours
No. of credits
Lecture: 15
Cycle of study:
Classes:
-
Laboratory: 15
Form of study (full-time,parttime)
full-time
1
Project/seminars:
Education areas and fields of science and art
ECTS distribution (number
and %)
2
technical sciences
Status of the course in the study program (Basic, major, other)
Liczba punktów
2
-
100%
(university-wide, from another field)
basic
xxx
xx
Responsible
for subject / lecturer:
xxx
Responsible for subject / lecturer:
Dr. Wojciech ŁAPKA, PhD. DSc. Eng.
e-mail: wojciech.lapka@put.poznan.pl
tel. 61 665 2302
Faculty of Mechanical Engineering and
Management
Jan Paweł II 24, 61-139 Poznań
tel.: 61 665 2352
-
Prerequisites in terms of knowledge, skills and social competencies:
1
Knowledge:
2
Skills:
3
Social
understanding the need of further education; willingness to cooperate with a
competencies team
basic knowledge of engineering and management, mathemetics (core
curriculum for secondary schools, basic level)
ability to solve elementary problems of engineering based on possessed
knowledge, usage of mathematical and engineering issues, the ability to
acquire information from indicated sources.
Assumptions and objectives of the course:
1. Obtaining knowledge of Finite Elements Modeling of acoustical systems in COMSOL
Multiphysics in the scope determined by the content of the curriculum, appropriate for the field of
study
2. Development of skills to model acoustical systems, sound propagation analysis in three
dimensions, based on gained knowledge.
Study outcomes
Knowledge:
number
student is able to
reference to the
educational results
for a field of study
1.
define the basic engineering concepts in the range of course content, K_W03
appropriate for the field of study, model acoustical systems by the use of
finite element methods, analysis of model results.
2.
He has expertise in practical use and modeling aided design equipment K_W07
including simplifying assumptions used in the modeling, create a
mathematical model of the physical mechanical system, formulation of
model equations and methods of solving them.
page 1 of 3
Poznan University of Technology
European Credit Transfer System
Faculty of Mechanical Engineering and Management
Skills:
number
1
2
student is able to
reference to
the
educational
results for a
field of study
obtain information from the literature, databases and other carefully
selected sources (also in j. English) in mechanics and mechanical
engineering and other technical and engineering problems consistent
K_U01
with the field of study; can integrate the information obtained, to make
their interpretation, as well as draw conclusions and formulate and justify
opinions.
Select proper parameters, mathematical models to conduct
computations by the use of finite element methods in COMSOL
Multiphysics computer environment.
Social competencies:
number
(symbol)
student is able to
K01
cooperate in a team, be responsible for his/her position in the team
K02
actively participate in computer laboratory exercises, set priorities for
implementation of the task
reference to
the
educational
results for a
field of study
K_K03
K_K04
Assessment methods of study outcomes
Lecture: test
Laboratory: evaluation of performed exercises of modeling selected acoustical systems, oral and
written raports of laboratory exercises
Course description
Basic definitions: sound, noise, sound pressure level, sound wave, acoustic field, sound intensity,
sound power, sound absorption and reflection coefficients, close and far acoustic field, sound
analysis in 1/1 and 1/3 octave bands, FFT, finite element, finite element methods, meshing and
mesh elements, etc. Description of acoustic module and base COMSOL Multiphysics, interface,
building model of acoustical system, setting parameters, material selection and material library,
building solid element, importing solid elements by CAD import module, boundary conditions,
frequency domain analysis, studying the model, calculations, results analysis: sound pressure or
sound pressure levels, sound intensity, particle velocity vectors etc. Importing colour sound pressure
level graphs to other programs, as example Microsoft Word and Excel.
page 2 of 3
Poznan University of Technology
European Credit Transfer System
Faculty of Mechanical Engineering and Management
Bibliography:
1. Crocker J. Malcolm, Handbook of Acoustics, John Wiley & Sons, INC., 1998.
2. Ver I. L., Beranek L. l., Noise and Vibration Control Engineering, John Wiley & Sons, INC.,
2006.
3. Munjal M. L., Acoustics of Ducts and Mufflers with Application to Exhaust and Ventilation
System Design, John Wiley & Sons, INC.,1987.
4. Marburg S., Nolte B., Computational Acoustics of Noise Propagation in Fluids-Finite and
Boundary Elemen Methods, Springer-Verlag, 2008.
5. Zienkiewicz O.C. ,Taylor R.L., The Finite Element Method, Volume 1-3, ButterworthHeinemann, Oxford, 2000.
6. William B. J. Zimmerman, Multiphysics Modeling With Finite Element Methods, Series on
Stability Vibration and Control of Systems, Series A - Vol. 18, 2006.
7. COMSOL Multiphysics, Users Manual and Model Library - Documentation Set, Sweden,
2015.
8. Engel Z. , Kowal J. , Sterowanie procesami wibroakustycznymi, Wydawnictwa AGH 1995.
9. Cempel C., Wibroakustyka stosowana, PWN, Warszawa, 1989.
10. Puzyna Cz. Zwalczanie hałasu w przemyśle, WNT, Warszawa 1974.
11. Makarewicz R., Dźwięki i fale, Wyd. Naukowe UAM, Poznań, 2004.
12. Engel Z., Sikora J., Obudowy dźwiękochłonno-izolacyjne. Podstawy projektowania i
stosowania, Wyd. AGH, Kraków, 1998.
13. Engel Z. , Ochrona środowiska przed drganiami i hałasem, PWN Warszawa 1993
14. Wibroakustyka Maszyn i Środowiska red. Engel Z. , Wiedza i Życie Warszawa 1995
15. Makarewicz R. , Hałas w środowisku, Ośrodek Wydawnictw Naukowych Poznań 1996
Result of average student's workload
Activity
Time (working hours)
ECTS
Total workload
62
2
Contact hours
42
(lectures, classes)
1
20
(laboratory)
1
Practical activities
page 3 of 3