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This book dwells on the classical and modern methods of analysis of both singly and doubly curved shells used as roof structures. Besides a brief discussion on the classification of different shell theories the book also deals with singly curved cylindrical shells including membrane and bending theories. The beam theory gives a quick insight into the structural actions without requiring more protracted and tedious solutions. The general membrane theory of doubly curved shells is followed by illustrations of the applications of the general membrane theory for the hyperbolic paraboloid, elliptic paraboloid, rotational paraboloid and conoids.The general bending theory of thin shells and the bending analysis of translational shells are also taken up. The variational method of analysis and the applications of Galerkin method for the hyperbolic paraboloid, rotational paraboloid and conoidal shells are also illustrated. The high order, rectangular, shallow shell finite element and the isoparametric elements are dealt with separately. Some typical computer programmes of cylindrical shells, and the doubly curved shells, employing the Galerkin variational method are furnished in the Appendices.For an effective understanding of the theories, several numerical problems of both singly and doubly curved shells are solved, presenting step by step calculations wherever possible. A number of technical/research papers and different classical textbooks have been consulted for the material with a view to presenting an up-to-date coverage of this interesting and rapidly developing field.This book has been written for the postgraduate courses on thin shell structures and as a reference book for practising engineers and designers, who will benefit directly from the wide variety of numerical problems employing both classical and modem methods.
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Environmental Studies;
