By Prof. Dr.-Ing. H. Eschenauer, Prof. Dr. techn. N. Olhoff, Prof. Dr. Dr.-Ing.E.h W. Schnell (auth.)
In view of the growing to be significance of product legal responsibility and the call for for success of maximum requisites for brand new items, this e-book offers the fundamental instruments for developing version equations in structural mechanics. also, it illustrates the transition and interrelation among structural mechanics and structural optimization. these days, this new course is very very important for extra potency within the layout process.
The publication is split into 4 components protecting the basics of elasticity, aircraft and curved load-bearing constructions and structural optimization. every one half includes quite a few difficulties and suggestions, for you to give you the pupil with the elemental instruments from the sphere of elasticity concept and support the pro engineer in fixing problems.
Fachgebiet: Mechanical Engineering Zielgruppe: learn and Development
Read or Download Applied Structural Mechanics: Fundamentals of Elasticity, Load-Bearing Structures, Structural Optimization PDF
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Extra info for Applied Structural Mechanics: Fundamentals of Elasticity, Load-Bearing Structures, Structural Optimization
G. geometrical non - linearities for the post - buckling of plates and shells ). 1) with E YOUNG /S modulus , // POISSON /S ratio , shear modulus , one - dimensional thermal expansion coefficient, difference between final and initial temperature. Symbolic notation 1+// // V8 =-E S--s E l + oT 81 with s = sum of normal stresses . 4) e = volume dilatation. 1: Elasticity properties The linearly elastic constitutive equations shall be augmented by another system of equations which allows a physical interpretation, and which is applied in elastoplastic structures.
E.. 1 Kinematics of a deformable body T
1) illustrates the area of a thin strip with the width oil and the height F in a force-deformation diagram (Fig. 1), where terms of higher order have been neglected. The total work of the single force results from an integration over the deformation differentials u W = _5 Foil. 2) u=o I~ F4II( I -4'k- A7~dV IJ • F dx F .... w* .. : ~ ~ ~: :~ ~ . :::::~~~~j~~~~~~~~~~~~~i~~~~~~~~~~~i~~~~~~~~I~~~ a) b) u U Fig. 2 Energy expressions 41 In Fig. 1, the area W* represents the complementary work, because Wand W* complement one another and their sum is represented by the rectangle F·u = W + W*.