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Autor: Petre P. Teodorescu
ISBN-13: 9781402054426
Einband: eBook
Seiten: 778
Sprache: Englisch
eBook Typ: PDF
eBook Format: eBook
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Mechanical Systems, Classical Models

Mathematical and Analytical Techniques with Applications to Engineering
Volume 1: Particle Mechanics
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This book examines the study of mechanical systems as well as its links to other sciences of nature. It presents the fundamentals behind how mechanical theories are constructed and details the solving methodology and mathematical tools used: vectors, tensors and notions of field theory. It also offers continuous and discontinuous phenomena as well as various mechanical magnitudes in a unitary form by means of the theory of distributions.
PREFACE
1. NEWTONIAN MODEL OF MECHANICS. 1.1. Mechanics, science of nature. 1.1.1. Basic notions. 1.1.2. Mathematical model of mechanics. 1.2. Dimensional analysis. Units. Homogeneity. Similitude. 1.2.1. Physical quantities. Units. 1.2.2. Homogeneity. 1.2.3. Similitude.
2. MECHANICS OF THE SYSTEMS OF FORCES. 2.1. Introductory notions. 2.1.1. Decomposition of forces. Bases. 2.1.2. Products of vectors. 2.2. Systems of forces. 2.2.1. Moments. 2.2.2. Reduction of systems of forces.
3. MASS GEOMETRY. DISPLACEMENTS. CONSTRAINTS. 3.1. Mass geometry. 3.1.1. Centres of mass. 3.1.2. Moments of inertia. 3.2. Displacements. Constraints. 3.2.1. Displacements. 3.2.2. Constraints.
4. STATICS. 4.1. Statics of discrete mechanical systems. 4.1.1. Statics of the particle. 4.1.2. Statics of discrete systems of particles. 4.2. Statics of solids. 4.2.1. Statics of rigid solids. 4.2.2. Statics of threads.
5. KINEMATICS. 5.1. Kinematics of the particle. 5.1.1. Trajectory and velocity of the particle. 5.1.2. Acceleration of the particle. 5.1.3. Particular cases of motion of a particle. 5.2. Kinematics of the rigid solid. 5.2.1. Kinematical formulae in the motion of a rigid solid. 5.2.2. Particular cases of motion of the rigid solid. 5.2.3. General motion of the rigid solid. 5.3. Relative motion. Kinematics of mechanical systems. 5.3.1. Relative motion of a particle. 5.3.2. Relative motion of the rigid solid. 5.3.3. Kinematics of systems of rigid solids.
6. DYNAMICS OF THE PARTICLE WITH RESPECT TO AN INERTIAL FRAME OF REFERENCE. 6.1. Introductory notions. General theorems. 6.1.1. Introductory notions. 6.1.2. General theorems. 6.2. Dynamics of the particle subjected to constraints. 6.2.1. General considerations. 6.2.2. Motion of the particle with one or two degrees of freedom.
7. PROBLEMS OF DYNAMICS OF THE PARTICLE. 7.1. Motion of the particle in a gravitational field. 7.1.1. Rectilinear and plane motion. 7.1.2. Motion of a heavy particle. 7.1.3. Pendulary motion. 7.2. Other problems of dynamics of the particle. 7.2.1. Tautochronous motions. Motions on a brachistochrone and on a geodesic curve. 7.2.2. Other applications. 7.2.3. Stability of equilibrium of a particle.
8. DYNAMICS OF THE PARTICLE IN A FIELD OF ELASTIC FORCES. 8.1. The motion of a particle acted upon by a central force. 8.1.1. General results. 8.1.2. Other problems. 8.2. Motion of a particle subjected to the action of an elastic force. 8.2.1. Mechanical systems with two degrees of freedom. 8.2.2. Mechanical systems with a single degree of freedom.
9. NEWTONIAN THEORY OF UNIVERSAL ATTRACTION. 9.1. Newtonian model of universal attraction. 9.1.1. Principle of universal attraction. 9.1.2. Theory of Newtonian potential. 9.2. Motion due to the action of Newtonian forces of attraction. 9.2.1. Motion of celestial bodies. 9.2.2. Problem of artificial satellites of the Earth and of interplanetary vehicles. 9.2.3. Applications to the theory of motion at the atomic level.
10. OTHER CONSIDERATIONS ON PARTICLE DYNAMICS. 10.1. Motion with discontinuity. 10.1.1. Particle dynamics. 10.1.2. General theorems. 10.2. Motion of a particle with respect to a non-inertial frame of reference. 10.2.1. Relative motion. Relative equilibrium. 10.2.2. Elements of terrestrial mechanics. 10.3. Dynamics of the particle of variable mass. 10.3.1. Mathematical model of the motion. General theorems. 10.3.2. Motion of a particle of variable mass in a gravitational field. 10.3.3. Mathematical pendulum. Motion of a particle of variable mass in a field of central forces. 10.3.4. Applications of Meshcherskii’s generalized equation.
APPENDIX. 1. Elements of vector calculus. 1.1. Vector analysis. 1.2. Exterior differential calculus. 2. Notions of field theory. 2.1. Conservative vectors. Gradient. 2.2. Differential operators of first and second order. 2.3. Integral formulae. 3. Elements of theory of distributions. 3.1. Composition of distributions. 3.2. Integral transforms in distributions. 3.3.
All phenomena in nature are characterized by motion; this is an essential property of matter, having infinitely many aspects. Motion can be mechanical, physical, chemical or biological, leading to various sciences of nature, mechanics being one of them. Mechanics deals with the objective laws of mechanical motion of bodies, the simplest form of motion.In the study of a science of nature mathematics plays an important rôle. Mechanics is the first science of nature which was expressed in terms of mathematics by considering various mathematical models, associated to phenomena of the surrounding nature. Thus, its development was influenced by the use of a strong mathematical tool; on the other hand, we must observe that mechanics also influenced the introduction and the development of many mathematical notions.
In this respect, the guideline of the present book is precisely the mathematical model of mechanics. A special accent is put on the solving methodology as well as on the mathematical tools used; vectors, tensors and notions of field theory. Continuous and discontinuous phenomena, various mechanical magnitudes are presented in a unitary form by means of the theory of distributions. Some appendices give the book an autonomy with respect to other works, special previous mathematical knowledge being not necessary.
Some applications connected to important phenomena of nature are presented, and this also gives one the possibility to solve problems of interest from the technical, engineering point of view. In this form, the book becomes – we dare say – a unique outline of the literature in the field; the author wishes to present the most important aspects connected with the study of mechanical systems, mechanics being regarded as a science of nature, as well as its links to other sciences of nature. Implications in technical sciences are not neglected.

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Autor: Petre P. Teodorescu
ISBN-13 :: 9781402054426
ISBN: 1402054424
Verlag: Springer Netherland
Seiten: 778
Sprache: Englisch
Auflage 2007
Sonstiges: Ebook