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70309 Dynamic Stability
Danish title: Dynamisk stabilitet
Language: English Credit points: 5
Type: Ph.D.-level, Open University
Language: English

Previous course: C7009
No credit points with: C7009
Prerequisite: 70204.70205
Recommended semester: 7th - 9th semester
Scope and form: 2 lecture modules per week, exercises and discussion of problems
Examination: Written exam (13-scale)
Contact person: Pauli Pedersen, Building 404, Tel. +45 4525 4250, email pauli@mek.dtu.dk

Department: Department of Solid Mechanics
Aim: To give the basis for evaluation, classification and solution of mechanical stability/vibration problems. Theories of stability and vibration are treated in their entirety. Conservative as well as non-conservative systems should be understood.
Contents: For specific mechanical problems the difference between static and dynamic formulations. Classification after Ziegler's system. Non-gyroscopic problems within the conservative class. Gyroscopic problems including rotor dynamics. Dissipative non-conservative problems and the influence of damping. Circulatoric non-conservative problems and aeroelastic examples of fluid/solid interaction. Instationary problems such as pulsating loads and parametric exitations. Computational methods and sensitivity analysis for problems of dynamic stability.