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MECHANICS OF MACHINE SYSTEMS

Domenico GUIDA MECHANICS OF MACHINE SYSTEMS

0612300015
DEPARTMENT OF INDUSTRIAL ENGINEERING
EQF6
MECHANICAL ENGINEERING
2023/2024

OBBLIGATORIO
YEAR OF COURSE 2
YEAR OF DIDACTIC SYSTEM 2018
SPRING SEMESTER
CFUHOURSACTIVITY
12120LESSONS
DOMENICO GUIDA T Curriculum
Objectives
THE SUBJECT PROVIDES THE BASIS FOR ANALYZING THE DYNAMICS OF MACHINES AND MECHANISMS.
METHODOLOGIES LEARNED
THE STUDENT WILL BE ABLE TO MODEL THE FORCE FIELDS ACTING ON THE SYSTEM AND UNDERSTAND THE MOST SUITABLE METHOD FOR WRITING THE EQUATIONS OF MOTION.
KNOWLEDGE AND UNDERSTANDING OF HOW TO APPLY THE METHODS LEARNED
THE STUDENT WILL BE ABLE TO CHOOSE WHICH IS THE MOST SUITABLE METHOD, FROM A QUALITATIVE AND QUANTITATIVE POINT OF VIEW, TO ANALYZE THE DYNAMICAL SYSTEM BEHAVIOR.
AUTONOMY OF JUDGMENT
THE STUDENT WILL BE ABLE TO CHOOSE THE PARAMETERS TO BE CONSIDERED AND WHICH TO NEGLECT FOR AN EFFECTIVE AND EFFICIENT DYNAMIC ANALYSIS OF THE SYSTEM.
COMMUNICATION SKILLS
KNOWING HOW TO DESCRIBE, IN WRITTEN FORM, CLEARLY AND CONCISELY AND EXHIBIT ORALLY WITH LANGUAGE PROPERTIES THE OBJECTIVES, THE PROCEDURE AND THE RESULTS OF THE PROCESSING CARRIED OUT.
LEARNING SKILLS
BEING ABLE TO APPLY THE KNOWLEDGE ACQUIRED IN CONTEXTS OTHER THAN THOSE PRESENTED DURING THE COURSE, AND DEEPEN THE TOPICS COVERED USING MATERIALS OTHER THAN THOSE PROPOSED.

Prerequisites
PREVIOUS KNOWLEDGE ABOUT:
1. LINEAR ALGEBRA
2. INFINITESIMAL CALCULUS
3. ELEMENTS OF MECHANICS PROVIDED IN THE BASIC PHYSICS COURSE
Contents
THE DURATION OF THE COURSE IS 120 HOURS, OF WHICH 60 HOURS OF THEORY AND 60 HOURS OF EXERCISES.
1. STATICS. FORCE MODELS. (3 HOURS, 2+1)
2. KINEMATICS. (2 HOURS, 2+0)
3. RIGID BODY KINEMATICS. (3 HOURS, 3+0)
4. DYNAMICS. (2 HOURS, 2+0)
5. WRITING OF THE EQUATION OF THE MOTION OF A POINT MASS, SUBJECTED TO AN ELASTIC AND GRAVITATIONAL FIELD, EXPRESSED IN A NON-INERTIAL REFERENCE SYSTEM. (3 HOURS, 3+0)
6. WRITING OF THE MOTION EQUATION OF A RIGID BODY, SUBJECTED TO THE ACTION OF ELASTIC FIELDS, GRAVITATIONAL FIELDS, AND EXTERNAL FORCES, EXPRESSED IN A NON-INERTIAL REFERENCE SYSTEM. (2 HOURS, 1+1)
7. ROTOR DYNAMICS. (3 HOURS, 3+0)
8. ROTORS WITH GYROSCOPIC STRUCTURE. EULER EQUATION MODIFIED. EXERCISES. (2 HOURS, 2+0)
9. DYNAMIC EFFECTS DUE TO GYROSCOPIC INERTIA TORQUES ON A WIND TURBINE WITH TWO BLADES. (3 HOURS, 3+0)
10. EXERCISES. (2 HOURS, 0+2)
11. SIMPLE PENDULUM. EQUATION OF MOTION USING LAGRANGE AND CARDINAL EQUATIONS; EQUILIBRIUM POSITIONS; LINEARIZATION AROUND THE EQUILIBRIUM POSITION; STABILITY. (3 HOURS, 3+0)
12. MASS-SPRING MODEL. EQUATIONS OF MOTION; SOLUTION WITH HARMONIC FORCING. INFLUENCE OF INITIAL CONDITIONS ON SYSTEM RESPONSE. (2 HOURS, 1+1)
13. FOURIER SERIES. (3 HOURS, 0+3)
14. MASS-SPRING SYSTEM RESPONSE TO ANY FORCER. (2 HOURS, 1+1)
15. EQUIVALENCE BETWEEN SECOND-ORDER DIFFERENTIAL EQUATIONS AND FIRST-ORDER SYSTEMS. EXERCISES ON CONSERVATIVE SYSTEMS TO A DEGREE OF FREEDOM, FREE AND FORCED. (3 HOURS, 2+1)
16. DISSIPATIVE SYSTEMS. (2 HOURS, 1+1)
17. GEOMETRIC REPRESENTATION OF THE REPOSITORY OF A MASS-SPRING-DAMPING SYSTEM IN THE PHASE PLANE. FIRE POINTS, KNOT, CENTER, AND SADDLE. (3 HOURS, 1+2)
18. RESPONSE OF AN OSCILLATOR TO ONE DEGREE OF FREEDOM. (2 HOURS, 1+1)
19. CONSERVATIVE VIBRATING SYSTEMS WITH TWO DEGREES OF FREEDOM. (3 HOURS, 1+2)
20. MODAL DECOUPLING. (2 HOURS, 1+1)
21. VIBRATION ISOLATION, ACTIVE AND PASSIVE. (3 HOURS, 0+3)
22. FREE RESPONSE OF A SYSTEM IN THE PRESENCE OF A VISCOELASTIC FIELD: COMPARISON BETWEEN THE MAXWELL AND KELVIN MODEL. (2 HOURS, 1+1)
23. FLEXURAL VIBRATIONS. (3 HOURS, 2+1)
24. DYNAMIC ANALYSIS OF THE SUSPENDED MASS WITH SPRINGS HOWEVER ARRANGED. (2 HOURS, 0+2)
25. CONTINUOUS SYSTEMS. (3 HOURS, 2+1)
26. FORCED FREE VIBRATIONS OF A BEAM. (2 HOURS, 1+1)
27. GENERAL INFORMATION ON LUBRICATION MECHANISMS. (3 HOURS, 2+1)
28. CYLINDRICAL BEARING: SHORT AND LONG MODEL. (2 HOURS, 0+2)
29. ROTORS ON LUBRICATED BEARINGS. (3 HOURS, 2+1)
30. SELECTION AND SIZING OF BEARINGS. (2 HOURS, 0+2)
31. GENERAL INFORMATION ON MECHANICAL TRANSMISSIONS. (3 HOURS, 3+0)
32. BELT DRIVES. (2 HOURS, 1+1)
31. GENERALITIES ON GEARS. (3 HOURS, 2+1)
33. DIFFERENTIAL. HARMONIC DRIVE. (2 HOURS, 2+0)
34. FERGUSON AND HUMPAGE'S MECHANISM. (3 HOURS, 1+2)
35. TYPE OF SPEED CHANGE. (2 HOURS, 0+2)
36. CAM MECHANISMS. (3 HOURS, 2+1)
37. BRAKES WITH EXTERNAL BLOCKS. (2 HOURS, 0+2)
38. MECHANICAL CLUTCH COUPLINGS. CONE CLUTCH CLUTCHES. (3 HOURS, 0+3)
39. SUMMARY EXERCISES. (2 HOURS, 0+2)
40. YIELD OF MACHINES IN SERIES AND PARALLEL. DEGREE OF IRREGULARITY DURING THE PERIOD. (3 HOURS, 2+1)
41. SIZING A FLYWHEEL. (2 HOURS, 0+2)
42. MECHANICAL CHARACTERISTIC OF A MACHINE. (3 HOURS, 1+2)
43. THE WATT REGULATOR. (2 HOURS, 0+2)
44. INTRODUCTION TO LINEAR CONTROL THEORY (3 HOURS, 3+0)
45. POLE PLACEMENT. PID CONTROLLER. (2 HOURS, 0+2)
46. BODY ON A HORIZONTAL AND INCLINED PLANE. LOCKING DEVICE. TAPE BRAKE. (3 HOURS, 0+3)
48. MOTORCYCLE OF AN UPHILL VEHICLE. BALL-BALL ROLLING; BALL-PLATE. (2 HOURS, 0+2)
Teaching Methods
THE TEACHING TOOLS CONSIST OF THEORETICAL LESSONS AND CLASSROOM EXERCISES, WITH THE HELP OF VIDEOS AND COMPUTER SIMULATIONS FOR A MORE EFFECTIVE AND EFFICIENT PRESENTATION OF THE SUBJECT TOPICS.
Verification of learning
THE EXAM HAS A WRITTEN AND AN ORAL TEST.
THE EXAMINATION COMMISSION ESTABLISHES THE GRADE BASED ON THE PREPARATION SHOWN IN BOTH TESTS.
HONOURS ARE AWARDED TO CANDIDATES WHO DEMONSTRATE EXCELLENT PREPARATION ON ALL COURSE TOPICS.
Texts
LEZIONI DI MECCANICA APPLICATA ALLE MACCHINE, DOMENICO GUIDA, (IN PRESS).
More Information
SUBJECT DELIVERED IN ITALIAN.
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