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Mechanics III. (E311103)

Katedra: | ústav mechaniky, biomech.a mechatr. (12105) | ||

Zkratka: | ME3EN | Schválen: | 03.01.2024 |

Platí do: | ?? | Rozsah: | 2P+2C+1L |

Semestr: | Kredity: | 5 | |

Zakončení: | Z,ZK | Jazyk výuky: | EN |

Anotace

Mechanics III deals with the basic concepts of dynamics. Methods of solving the dynamics of mass particle and body motion and their systems are described. Methods for describing and solving vibrations of systems.

Osnova

Introduction – example of use in practice. Modeling. Dynamics of systems of particles.

Dynamics of systems of particles. Dynamics of body. Mass distribution in a body.

D'Alembert principle. Inertial effects of motion.

Balancing of rotating bodies. Free body diagram method. Newton-Euler equations.

Dynamics of multibody systems.

The principle of virtual work and power in dynamics. Lagrange equations of 2nd type. Reduction method.

Reduction method. Vibrations of systems with 1 DOF. Free vibrations. Forced vibrations excited by harmonic force.

Forced vibrations excited by rotating unbalanced mass. Kinematic excitation. Accelerometer, vibrometer.

Forced vibrations of systems with 1 DOF excited by general periodic force and by general force. Introduction to nonlinear vibration.

Vibration of systems with two DOFs, torsional vibration.

Bending vibration, determination of critical speed, dynamic absorber.

Stability of motion. Hertz theory of impact.

Approximate theory of flywheels.

Dynamics of systems of particles. Dynamics of body. Mass distribution in a body.

D'Alembert principle. Inertial effects of motion.

Balancing of rotating bodies. Free body diagram method. Newton-Euler equations.

Dynamics of multibody systems.

The principle of virtual work and power in dynamics. Lagrange equations of 2nd type. Reduction method.

Reduction method. Vibrations of systems with 1 DOF. Free vibrations. Forced vibrations excited by harmonic force.

Forced vibrations excited by rotating unbalanced mass. Kinematic excitation. Accelerometer, vibrometer.

Forced vibrations of systems with 1 DOF excited by general periodic force and by general force. Introduction to nonlinear vibration.

Vibration of systems with two DOFs, torsional vibration.

Bending vibration, determination of critical speed, dynamic absorber.

Stability of motion. Hertz theory of impact.

Approximate theory of flywheels.

Osnova cvičení

1. Dynamics of particle. Experimental determination of moments of inertia.

2. Dynamics of systems of particles.

3. Mass distribution in a body. Dynamics of body. Balancing of rotating bodies.

4. Inertial effects of motion. D'Alembert equations.

5. Free body diagram method. Newton-Euler equations.

6. Dynamics of multibody systems.

7. The principle of virtual work and power in dynamics.

8. Lagrange equations of 2nd type. Reduction method.

9. Vibrations of systems with 1 DOF. Free vibrations. Forced vibrations excited by harmonic force.

10. Forced vibrations of systems with 1 DOF excited by general periodic force and by general force.

11. Torsional vibrations of systems with two DOFs. Free vibrations. Forced vibrations.

12. Bending vibration. Determination of critical speed.

13. Hertz theory of impact. Stability of motion. Approximate theory of flywheels.

2. Dynamics of systems of particles.

3. Mass distribution in a body. Dynamics of body. Balancing of rotating bodies.

4. Inertial effects of motion. D'Alembert equations.

5. Free body diagram method. Newton-Euler equations.

6. Dynamics of multibody systems.

7. The principle of virtual work and power in dynamics.

8. Lagrange equations of 2nd type. Reduction method.

9. Vibrations of systems with 1 DOF. Free vibrations. Forced vibrations excited by harmonic force.

10. Forced vibrations of systems with 1 DOF excited by general periodic force and by general force.

11. Torsional vibrations of systems with two DOFs. Free vibrations. Forced vibrations.

12. Bending vibration. Determination of critical speed.

13. Hertz theory of impact. Stability of motion. Approximate theory of flywheels.

Literatura

Beer F.P., Johnson E.R.: Vector Mechanics for Engineers. Statics and Dynamics. McGraw-Hill, New York 1988.

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