Basic concepts of unbalance excitations in rotordynamics. Academic and industrial examples and discussion of their analysis results.
Explanation, analysis process and physics of rotordynamic phenomena of journal bearings (plain, prestressed, tilting pad) and annular seals. Explanation of cross coupling effects and influences.
Explanation of the fundamentals of lateral rotordynamics: FW/BW orbiting modes, gyroscopic effects, damped eigenfrequencies and modal damping. Discussion of basic FE concepts.
Fundamentals of lateral rotordynamics: FW/BW orbiting modes, gyroscopic effects, damped eigenfrequencies, modal damping, annular pressure seals. Analysis of a multi-stage rotor (ANSYS).
Lateral rotrdynamics: FW/BW orbiting modes, gyroscopic effects, stress-stiffening, annular pressure seals, radial bearings, impeller-casing interaction, mechanical and hydraulic unbalance, complex modal and harmonic response analysis, interpretation of API610, case studies.
Torsional rotordynamics: Modeling of rotor, coupling(s), gear(s), torsional excitation sources, modal and harmonic response analysis, fatigue assessment, simulation of transient torsional events.
Topics: FW/BW modes, gyroscopic effects, influence of hydrodynamic bearings and seals (non-linear rotordynamic effects), damped (complex) modal analysis (Campbell & Damping diagrams), harmonic response analysis, classification of stresses and stress evaluations.
Topics: symmetries (radial, cyclic), meshing techniques and options (boundary layer, etc.), non-linear contact methods (pure penalty, langrangian, etc.), material laws, model checking approaches, failure modes and evaluation criteria, submodeling techniques.