ME532 ADVANCED MACHINERY VIBRATIONS
| Course Code: | 5690532 |
| METU Credit (Theoretical-Laboratory hours/week): | 3 (3.00 - 0.00) |
| ECTS Credit: | 8.0 |
| Department: | Mechanical Engineering |
| Language of Instruction: | English |
| Level of Study: | Graduate |
| Course Coordinator: | Prof.Dr. HASAN NEVZAT ÖZGÜVEN |
| Offered Semester: | Fall and Spring Semesters. |
Course Objectives
By the end of the course the students will:
understand the different forms of the mathematical models of linear structures
know how to make modal analysis of multi degree of freedom damped and undamped systems
understand and handle reduced mathematical models of large structures
learn the tools to compare theoretical and experimental modal data and frequency response functions
learn structural coupling/decoupling and structural modification methods for large structures
learn how to determine modal models of MDOF systems
learn how to mak experimental modal analysis of nonlinear systems
Course Content
Response of proportionally and non-proportionally damped (viscously and structurally) multi degree of freedom (MDoF) systems. Frequency response functions for MDoF systems. Spatial, modal and response models of MDoF systems; complete and incomplete models. Model reduction/expansion techniques: static and dynamic condensation; system equivalent reduction/expansion process; expansion of experimental mode shapes. Theoretical and experimental comparison tools. Structural coupling/decoupling analysis methods: impedance coupling; FRF coupling; modal coupling; FRF decoupling. Structural modification methods: Dual Modal Space; structural modifications by Matrix Inversion Method. Singular value decomposition and its use in structural dynamics. Modal testing and experimental modal analysis. Experimental modal analysis of nonlinear structures.
Course Learning Outcomes
Students, who pass the course satisfactorily will be able to:
make modal analysis of damped and undamped multi degree of freedom systems to determine free and forced vibration responses
obtain and use various forms of frequency response functions (FRFs)
understand the relation between spatial, modal and response mathematical models of linear structures
obtain reduced mathematical models of large structures
expand experimentally measured mode shape data
compare theoretical modal data/FRFs with experimental counterparts by using the metrics developed for this purpose
use structural coupling and structural modification methods in order to reduce computational effort for the analysis of large structures
apply modal identification techniques to determine modal models of MDOF systems
obtain modal models for nonlinear MDOF systems and use them in harmonic response analysis