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The study of the response of solid objects when they are subjected to stresses and strains is known as the strength of materials which is sometimes referred to as the mechanics of materials. Material strength is defined as the point on the engineering stress–strain curve known as the yield stress, which is the point beyond which the material undergoes deformations that will not be entirely reversed upon removal of the loading. As a consequence, the member will have a deflection that is permanent. The point on the engineering stress–strain curve that corresponds to the stress that causes a material to fracture is known as the ultimate strength of the material. Strength of materials, often known as the mechanics of materials, is a discipline that primarily relates to the many techniques of estimating the stresses and strains in structural components like beams, columns, and shafts. The techniques that are used to anticipate the reaction of a structure under loading and its susceptibility to different failure modes take into consideration the characteristics of the materials, such as the yield strength, ultimate strength, Young modulus, and Poisson ratio of the material. This ensures that an accurate prediction can be made. In addition, one must take into account the macroscopic qualities (geometric properties) of the mechanical element. These include the element length, breadth, thickness, boundary limitations, and sudden changes in geometry, such as holes.
Designed for a first course in strength of materials, Applied Strength of Materials has long been the bestseller for Engineering Technology programs because of its comprehensive coverage, and its emphasis on sound fundamentals, applications, and problem-solving techniques. The combination of clear and consistent problem-solving techniques, numerous end-of-chapter problems, and the integration of both analysis and design approaches to strength of materials principles prepares students for subsequent courses and professional practice. The fully updated Sixth Edition. Built around an educational philosophy that stresses active learning, consistent reinforcement of key concepts, and a strong visual component, Applied Strength of Materials, Sixth Edition continues to offer the readers the most thorough and understandable approach to mechanics of materials.
Determinate truss -- Simple beam -- Determinate shaft -- Simple frames -- Indeterminate truss -- Indeterminate beam -- Indeterminate shaft -- Indeterminate frame -- Two-dimensional structures -- Column buckling -- Energy theorems -- Finite element method -- Special topics.
Presents in-depth coverage of fundamental and advanced concepts of strength of materials for mechanical and civil engineering students.
This book reviews the mathematical modeling and experimental study of systems involving two or more different length scales. The effects of phenomena occurring at the lower length scales on the behavior at higher scales are of intrinsic scientific interest, but can also be very effectively used to determine the behavior at higher length scales or at the macro-level. Efforts to exploit this micro- and macro-coupling are, naturally, being pursued with regard to every aspect of mechanical phenomena. This book focuses on the changes imposed on the dynamics, strength of materials and durability of mechanical systems by related multiscale phenomena. In particular, it addresses: 1: the impacts of effective dissipation due to kinetic energy trapped at lower scales 2: wave propagation in generalized continua 3: nonlinear phenomena in metamaterials 4: the formalization of more general models to describe the exotic behavior of meta-materials 5: the design and study of microstructures aimed at increasing the toughness and durability of novel materials