Computational Mechanics of Nonlinear Response of Shells - download pdf or read online

By Y. Başar, W. B. Krätzig (auth.), Prof. Dr.-Ing. Wilfried B. Krätzig, Prof. Dr. Eugenio Oñate (eds.)

ISBN-10: 3642840450

ISBN-13: 9783642840456

ISBN-10: 3642840477

ISBN-13: 9783642840470

Shell buildings and their elements are utilized in lots of engineering fields. Designers are attaching ever expanding value to nonlinear responses equivalent to huge deformations, instabilities and nonlinear fabric houses of their layout research. This quantity provides a cautious number of papers from the ICES '88 convention protecting a number of points of nonlinear shell responses.

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1. This problem has a considerable amount of shear deformation, and is an excellent test of an element's ability to model membrane dominated situations with skewed meshes. 1. 0. The results are compared to the 4-noded (4ANS) and 9-noded (9-ANS) Assumed Natural Strain elements of [16], and the bi-linear quadrilateral element with uniform reduced integration (4-URI). 2. Pinched Hemispherical Shell. A pinched hemispherical shell with an 18° hole at the top, is subject to two inward and two outward forces 90° apart is modeled using symmetry boundary conditions on one quadrant.

1. Collapse of a Rubber Sphere. 8. 8. (a) Problem definition and load-deflection curves for the collapse of a rubber sphere problem. 10 ,-... z The load-deflection curves are obtained with the inextensible and present formulations, using the correct top-surface loading, and incorrect mid-surface loading. : M 0 ..... '-' 0... 6 1 Equivalent Mid-surface Load vs. :l 4 Parameters: Mid-surface Displacement E Correct Top-surface Load vs. 8. (b) Sectional view of the deformed configuration subject to the incorrect mid-surface loading.

4) • 27 11. Numerical Results The finite-rotation shell theories presented above have been transformed into finite-element models (finite-rotation elements) using a tensor-oriented procedure [6,7]. In the following, two examples are presented to demonstrate their applicability to strongly nonlinear phenomena. 2 - analytical solution o FE-results deformed shapes of the structure Fig. 5. 10' F. l0 ·). o load factor A 16 1/. 12 10 8 16 x 16 SDFR 20 6 8 x 8 SDFR'5 • I. 16 x 16 SA'. 0 to Fig. 6 . 0 Hemispherical shell under two point loads V3A • V3B The triangular cantilever plate under a concentrated load couple (Fig.

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Computational Mechanics of Nonlinear Response of Shells by Y. Başar, W. B. Krätzig (auth.), Prof. Dr.-Ing. Wilfried B. Krätzig, Prof. Dr. Eugenio Oñate (eds.)


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