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These course descriptions are not being updated as of August 1, 2016. Current course descriptions are maintained in LionPATH.

Mechanical Engineering (M E)

M E 573 (ACS 573) Designing Quiet Structures (3) Course integrates structural dynamics, acoustics and optimization into unified method for designing quiet structures virtually for early product development.

M E (ACS) 573 Designing Quiet Structures (3)

During the past decade, several Mechanical & Nuclear Engineering faculty have been developing a broadly applicable methodology for the acoustic design of structures. The method integrates the disciplines of structural dynamics, acoustics and optimization into a unified approach that allows designers the possibility of including sound as a parameter in the early stages of product development. This course is designed as an introduction to this unique design method.

The format of the teaching style is a series of modular lectures each supplemented with an experiment (either numerical or physical) that students perform in teams. Because of the multidisciplinary nature of the course, the composition of the teams is balanced to ensure that at least one team member has a solid background in one of the three disciplines to be covered.

All of the experiments center on the problem of controlling the sound power spectrum of a structure via material tailoring, e.g., adding trim elements such as mass, stiffness, damping or dynamic absorbers. In particular, each team is asked to modify the acoustic signature of a selected structure to minimize its sound power radiation within a given frequency band.
Optimization search routines identify the optimal location and size of the trim elements to give the best fit to the prescribed objective function.

Dedicated computer programs are available to students enrolled in this course.

Students are evaluated through individual and group homework assignments, in-class participation and activities, and a group project report and presentation.


General Education: None
Diversity: None
Bachelor of Arts: None
Effective: Fall 2007
Prerequisite: M E 470 andACS 502

Note : Class size, frequency of offering, and evaluation methods will vary by location and instructor. For these details check the specific course syllabus.

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