The fundamental structural mechanics of elastic systems: Stability - Tapa blanda

Condici�n: Muy bueno. : Este libro, escrito por Alexander Petrovich Leschenko, presenta un enfoque completamente nuevo de la mec�nica estructural, que ha permitido desarrollar una t�cnica �nica para la ingenier�a estructural. Este nuevo m�todo se basa en tres descubrimientos del autor: el fen�meno de la separaci�n de las tensiones de torsi�n de las barras el�sticas, una ley espec�fica de analog�a en la estabilidad y oscilaci�n de los sistemas el�sticos, y el principio de emparejamiento de factores de fuerza en la mec�nica estructural. El libro est� escrito en ingl�s y publicado por Editorial URSS. EAN: 9785971000440 Tipo: Libros Categor�a: Ciencias T�tulo: The fundamental structural mechanics of elastic systems: Stability Autor: Alexander Petrovich Leschenko Editorial: Editorial URSS Idioma: en P�ginas: 216 Formato: tapa blanda. N� de ref. del art�culo: Happ-2025-02-05-7ee810f1

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The fundamental structural mechanics of elastic systems: Stability

Leschenko, Alexander Petrovich

Publicado por Editorial URSS, 2006

ISBN 10: 5971000446 ISBN 13: 9785971000440

Nuevo Tapa blanda

Librería: Agapea Libros, Malaga, MA, Espa�a

Calificaci�n del vendedor: 5 de 5 estrellas

Condici�n: New. Idioma/Language: Ingl�s. Encuadernaci�n: r�stica. A. P. Leschenko has offered a completely new approach to structural mechanics, which allowed for a unique technique for structural engineering to be developed. This new method is based on the following three discoveries made by the author: --- Phenomenon of separating torsional strains of elastic bars; --- Specific law of analogy in stability and oscillation of elastic systems; --- Principle of force factors pairing in structural mechanics. All actual approaches and theories of structural mechanics widely employ such an abstract concept as generalized force, neglecting, however, a definite and practical concept of external force factor. In author's opinion, this breaks the interrelations between the external and internal forces acting on structures and the strains occurring in the structures, which leads to an implicit violation of the classical mechanics laws, namely the law of energy conservation, the Lagrange principle, and Newton's laws. It should be stressed that Leschenko does not suggest that one concept should be simply replaced by the other, but interrelates the external action with other forces and factors concurrently acting on the structure. Thus, the author has proposed to consider any elastic system as based on three permanently acting factors: 1) external forces; 2) internal forces; and 3) elastic strains; and indicated the principles linking the effects of these factors. Leschenko has developed a graphical scheme (the so-called triad) for an analysis of elastic systems. The triad analysis of elastic systems has enabled to reveal great contradictions in the available structural calculations of plates, shells and bars. On the other hand, the new method has allowed for an adequate model of stress-and-strain state of constructions to be developed, which, for the first time ever, has made it possible to predict with a high accuracy the moment of structural failure. As main advantages of the new method we can list comparatively quick calculations of all types of structures, the examination and verification of design solutions, and`the detection of critical loads and weak points of constructions. All these result in a considerable saving of materials, which is accompanied by improving the safety of constructions. *** Nota: Los env�os a Espa�a peninsular, Baleares y Canarias se realizan a trav�s de mensajer�a urgente. No aceptamos pedidos con destino a Ceuta y Melilla. N� de ref. del art�culo: 2018891

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