Geometric Non Linearity
Mostrando 13-17 de 17 artigos, teses e dissertações.
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13. Contribuição ao projeto de pilares de pontes de concreto armado com consideração das não-linearidades física e geométrica e Interação solo-estrutura / Contribution to the design of reinforced concrete bridges piers with consideration of material nonlinearity, change in geometry and interaction soil-structure
Este trabalho consiste no estudo dos fatores envolvidos no projeto estrutural de pontes, mais especificamente aqueles relacionados com o comportamento dos seus pilares. A análise é efetuada mediante uma modelagem única da estrutura integrada ao maciço de solos, onde as não-linearidades física e geométricas e interação solo-estrutura são considerada
Publicado em: 2001
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14. Análise não-linear de estruturas tridimensionais de edifícios de andares múltiplos com núcleos resistentes, considerando a rigidez transversal à flexão das lajes / Non linear analysis of three-dimensional structures of multistory buildings with core walls, considering the bending stiffness transverse of slabs
The main aim of this work is to apresent a study about analysis of three-dimentional structures of multistory buildings considering the interaction of displacements and stresses of the elements of the structures, with the influence of the transverse bending stiffness of slabs. The plate finite elements adopted in floor discretization, responsible for conside
Publicado em: 2001
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15. Constitutive laws for strong geometric non-linearity
This paper is divided into two different parts. The first one provides a brief introduction to the fractal geometry with some simple illustrations in fluid mechanics. We thought it would be helpful to introduce the reader into this relatively new approach to mechanics that has not been sufficiently explored by engineers yet. Although in fluid mechanics, main
Journal of the Brazilian Society of Mechanical Sciences. Publicado em: 2000
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16. Contribuição da rigidez transversal à flexão das lajes na distribuição dos esforços em estruturas de edifícios de andares múltiplos, em teoria de segunda ordem / Contribution of bending stiffness transverse of slabs in the forces distribution in structures of multistory buildings, in second order theory
The main aim of this work is to calculate stresses and displacements of threedimensional structures of multistory buildings, subjected to vertical and lateral loads, considering the transverse bending stiffness of slabs, in second order theory. The plate finite element adopted in floor discretization, responsible for considering the bending stiffness contrib
Publicado em: 1998
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17. Estudo do comportamento mecanico de comandos desbalanceados pelo metodo de elementos finitos
The work treats the finite element modeling of the static behaviour of drillstrings equiped with bottom hole assemblies composed by unbalanced drill collars. The drillstring was discretized in beam-column elements having geometric non linearity. The Newton-Raphson Method with an incremental loading scheme was used to obtain the solution of the non linear sys
Publicado em: 1996