ECTS credits: 5
Gaining basic knowledge of statics and dynamics needed for the understanding of vehicle exploitation in terms of maintaining their parts with mechanical functions.
Introduction to mechanics. Motion, basic definitions and terms, basic magnitudes, objects in motion. Axioms of mechanics. Division of mechanics. Introduction into statics and its tasks. Forces and systems of forces, static moment of force and force couple. Reduction of force systems, dynamo. Determining the centre of gravity. Releasing a body from its ties with the environment. Balance of a rod and filament, balance of a particle, rigid figure and rigid body. Balance of a system of rigid bodies and flat trusses. Nature and types of friction. Balance during the effect of friction. Friction in axial and radial bearings, belt friction. Introduction to dynamics. Kinematic and kinetic approach, tasks of dynamics. D'Alambert's principle. Rectilinear motion: balance of forces, differential equation, the law of motion, kinematic diagrams. Translatory motion: balance of forces, law of motion, kinematics in Descartes, cylindrical and spherical coordinate system. Motion of a particle in the natural coordinate system. General laws of kinetics of particles. Dynamics of particle system. Rotation around the axis: balance of forces, law of motion, angular velocity, angular acceleration, the differential equation of motion, kinetic energy, work and power, kinetic moments of inertia, the law of kinetic energy. Kinematics and kinetics of rotational motion transmitters. Dynamic reactions at supports. Planar motion of a rigid body: kinematics of planar motion, a current pole of rotation, centroids, geometrical determination of velocity and acceleration. Differential equation of motion, law of kinetic energy. Rotation of a body around a point, motion of a symmetric gyroscope.
Individual solving of technical problems in the field of statics and dynamics.
Learning outcomes: Having passed the exam, the student will be able to: 1. Calculate the magnitudes of bond reactions in the conditions of rigid body balance and rigid body system 2. Calculate the coordinates of the centre of gravity. 3. Design/define a mechanical and mathematical model for a real problem in resolving the problems of static and kinetostatic balance. 4. By the application of D'Alembert's principle calculate unknown parameters of kinetostatic balance. 5. Apply the law of kinetic energy to the motion of a particle and rigid body motion. These learning outcomes contribute to the following outcomes of the study programme of aircraft maintenance: -Distinguish aircraft maintenance according to MSG-2 and MSG-3 concepts. -Distinguish single parts of and aircraft in relation to the physical laws of flying and functioning of aircraft systems. -Make a diagram of change of the centre of gravity in compliance with the aircraft design performances, and with the operational limitations for aircraft flying and maintenance. -Solve problems and tasks in the field of mechanics, thermodynamics, electrical engineering, aerodynamics and fluid mechanics, relating to aircraft operations. These learning outcomes contribute to the following outcomes of the study programme of motor vehicle maintenance: - Explain the physical parameters of motor vehicle construction. - Analyse the properties and performances of motor vehicles. - Analyse the causes and effects of vehicle malfunctions.