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The Fundamental Structural Mechanics of Elastic Systems
Seller: Hamelyn, Madrid, M, Spain
Seller rating 4 out of 5 stars
Condition: Muy bueno. : Este libro, escrito por Alexander Petrovich Leschenko, presenta un enfoque completamente nuevo de la mecánica estructural, que permitió desarrollar una técnica única para la ingeniería estructural. Este nuevo método se basa en tres descubrimientos del autor: el fenómeno de la separación de las deformaciones torsionales de las barras elásticas, la ley específica de analogía en la estabilidad y oscilación de los sistemas elásticos y el principio de emparejamiento de factores de fuerza en la mecánica estructural. El libro explora cómo considerar cualquier sistema elástico basado en tres factores que actúan permanentemente: fuerzas externas, fuerzas internas y deformaciones elásticas, indicando los principios que vinculan los efectos de estos factores. Leschenko ha desarrollado un esquema gráfico (la llamada tríada) para el análisis de sistemas elásticos, que ha permitido revelar grandes contradicciones en los cálculos estructurales disponibles de placas, carcasas y barras. EAN: 9785971000464 Tipo: Libros Categoría: Ciencias Título: The Fundamental Structural Mechanics of Elastic Systems Autor: Alexander Petrovich Leschenko Editorial: Editorial URSS Idioma: en Páginas: 224 Formato: tapa blanda. Seller Inventory # Happ-2025-02-05-e62131c4
Quantity: 1 available
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The fundamental structural mechanics of elastic systems
Seller: Agapea Libros, Malaga, MA, Spain
Seller rating 5 out of 5 stars
Condition: New. Idioma/Language: Inglés. Encuadernación: rústica. 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 envíos a España peninsular, Baleares y Canarias se realizan a través de mensajería urgente. No aceptamos pedidos con destino a Ceuta y Melilla. Seller Inventory # 2018890
Quantity: 1 available
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Fundamental structural mechanics of elastic systems
Seller: moluna, Greven, Germany
Seller rating 4 out of 5 stars
Condition: New. Seller Inventory # 2168326835
Quantity: 1 available