Continuum Mechanics and Elements of Elasticity Structural Mechanics PDF
263 Pages·2.091 MB·English
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In the humble opinion of the author, this is best achieved in three stages. First, the student should be exposed to the basic principles of Continuum Mechanics. Detailed coverage of Stress, Strain, General Principles, and Constitutive Relations is essential. Then, a brief exposure to Elasticity (along with Beam Theory) would convince the student that a well posed problem can indeed have an analytical solution. However, this is only true for problems problems with numerous simplifying assumptions (such as linear elasticity, small deformation, plane stress/strain or axisymmetry, and resultants of stresses). Hence, the last stage consists in a brief exposure to solid mechanics, and more precisely to Variational Methods. Through an exposure to the Principle of Virtual Work, and the Rayleigh-Ritz Method the student will then be ready for Finite Elements. Finally, one topic of special interest to Material Science students was added, and that is the Theoretical Strength of Solids. This is essential to properly understand the failure of solids, and would later on lead to a Fracture Mechanics course.
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