Effects of Magnetoelastic Interactions in Conductive Plates and Shells
Effects of Magnetoelastic Interactions in Conductive Plates and Shells

Author: Gevorg Baghdasaryan

Publisher: Springer

Published: 2015-08-26

Total Pages: 294

ISBN-13: 3319191624

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This book investigates the stability and vibrations of conductive, perfectly conductive and superconductive thin bodies in electromagnetic fields. It introduces the main principles and derives basic equations and relations describing interconnected mechanical and electromagnetic processes in deformable electro conductive bodies placed in an external inhomogeneous magnetic field and under the influence of various types of force interactions. Basic equations and relations are addressed in the nonlinear formulation and special emphasis is placed on the mechanical interactions of superconducting thin-body plates with magnetic fields.

Mechanics Today
Mechanics Today

Author: S. Nemat-Nasser

Publisher: Elsevier

Published: 2013-10-22

Total Pages: 447

ISBN-13: 1483146316

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Mechanics Today, Volume 4 focuses on solid mechanics and applied mathematics. This book is divided into six chapters. Chapter I provides a general description of the basic features and relevant concepts of mixed boundary-value problems in mechanics. The problem of crack extension in a solid under arbitrary loads is discussed in Chapter II, emphasizing the crack growth that leads from a planar to a nonplanar configuration. The third chapter reviews various methods of solving the scattering of elastic waves by inclusions. The interactions of electromagnetic field with deformable bodies in motion are elaborated in Chapter IV, while problems involving solids carrying high electric currents or being placed in high magnetic fields are deliberated in Chapter V. The last chapter concentrates on the implications of the second law of thermodynamics, and consequences of thermodynamic material stability and its corresponding restrictions on the evolutionary equations for internal variables. This publication is useful to specialists, but is also beneficial to non-experts with sufficient background in applied mechanics.

Electromagnetic Field Matter Interactions in Thermoelasic Solids and Viscous Fluids
Electromagnetic Field Matter Interactions in Thermoelasic Solids and Viscous Fluids

Author: Kolumban Hutter

Publisher: Springer

Published: 2007-02-22

Total Pages: 422

ISBN-13: 3540372407

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This book delivers a thorough derivation of nonrelativistic interaction models of electromagnetic field theories with thermoelastic solids and viscous fluids, the intention being to derive unique representations for the observable field quantities. This volume is intended for and will be useful to students and researchers working on all aspects of electromagneto-mechanical interactions in the materials sciences of complex solids and fluids.

Stability and Vibrations of Internal Windings of High Current Super-conducting Solenoid Magnets
Stability and Vibrations of Internal Windings of High Current Super-conducting Solenoid Magnets

Author: Kosei Hara

Publisher:

Published: 1984

Total Pages: 344

ISBN-13:

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High field solenoid magnets may experience internal damage or eventually collapse due to the powerful magnetic fields they produce. Elastic deformations of the conductor and insulation in these magnets deserve attention because they can cause local damage that can lead to electrical breakdown. In conventional stress analysis of cylindrically wound magnets, the magnetic field gradient, or magnetic stiffness, is usually neglected. However, in this thesis the magnetic stiffness is shown to have a significant effect on the elastic stability and vibration of these magnets. One-turn and multi-turn superconducting rings were used to study the effects of deformations on stability and vibration. Both static and dynamic methods were used to determine the critical buckling currents. The dispersion of natural frequencies with increase in current and subsequent in-plane and out-of-plane buckling of the rings near the critical buckling current were observed. A model based on ring theory and magnetic stiffness was developed to explain experimental observations and showed a fair to good agreement between experimental and theoretical values of the buckling current. This model was used to evaluate the buckling current of 7- and 10-turn magnets. The analysis showed buckling concentrated in the outer turns. (Author).