JoVE Logo

Entrar

Chapter 20

Bending

Flexão
Flexão
Pure bending occurs when a prismatic member possesses a plane of symmetry and experiences couples of equal magnitudes acting within that plane. This type ...
Elemento Simétrico sob Flexão
Elemento Simétrico sob Flexão
Consider a prismatic member subjected to two couples, equal in magnitude but in opposite directions, acting within the symmetric plane of the member. A ...
Deformações em Um Elemento Simétrico sob Flexão
Deformações em Um Elemento Simétrico sob Flexão
Consider the deformations of a symmetric prismatic member subjected to equal and opposite couples. As the member bends uniformly, the lines on the wider ...
Tensão Flexural
Tensão Flexural
Consider a bending moment where a symmetric member endures stress within the elastic limit. The longitudinal stress can be expressed using Hooke's ...
Deformação Em Uma Seção Transversal
Deformação Em Uma Seção Transversal
When a material is subjected to uniaxial stress, the material undergoes elongation or contraction in the direction of the applied stress. At the same ...
Flexão de Materiais: Solução de Problemas
Flexão de Materiais: Solução de Problemas
Consider two metallic pipes having an inner radii of 1.5 cm and 1 cm, respectively, and an outer radii of 1.8 cm. If both pipes can withstand a maximum ...
Flexão de Elementos Feitos de Diversos Materiais
Flexão de Elementos Feitos de Diversos Materiais
Consider a member of two different materials that have the same cross-sectional area. The equation of stress for such a member is expressed in terms of ...
Concentrações de Tensão
Concentrações de Tensão
The equation for stress for a member under pure bending having a plane of symmetry and a uniform cross-section assumes that the stress is evenly ...
Deformações Plásticas
Deformações Plásticas
For pure bending, when maximum stress exceeds the yield strength of the member's material, it undergoes plastic deformation. The strain at any point ...
Elementos Feitos de Material Elastoplástico
Elementos Feitos de Material Elastoplástico
Consider a member made up of an elastoplastic material with a rectangular cross-section. Within the elastic limit, the stress distribution across the ...
Deformações Plásticas de Elementos com Um Único Plano de Simetria
Deformações Plásticas de Elementos com Um Único Plano de Simetria
Consider a member experiencing plastic deformation due to bending and having one plane of symmetry. The stresses are uniformly distributed above and below ...
Tensões Residuais na Flexão
Tensões Residuais na Flexão
If a sufficiently large bending moment is applied to an elastoplastic member, plastic zones will develop in the member. Now, if the bending moment is ...
Carregamento Axial Excêntrico em um Plano de Simetria
Carregamento Axial Excêntrico em um Plano de Simetria
Eccentric axial loading refers to the application of an axial load that is not aligned with the centroidal axis of the member. Consider a member having a ...
Flexão Assimétrica
Flexão Assimétrica
Unsymmetric bending occurs when the bending moment is not acting along the plane of the symmetry of the member or if the member does not possess any plane ...
Flexão Assimétrica: Ângulo do Eixo Neutro
Flexão Assimétrica: Ângulo do Eixo Neutro
Consider a member with a vertical plane of symmetry subjected to bending couples in a plane at an angle θ with respect to the vertical axis of the ...
Caso Geral do Carregamento Axial Excêntrico
Caso Geral do Carregamento Axial Excêntrico
Consider a member subjected to equal and opposite eccentric forces. These forces are applied at a horizontal distance of a and a vertical distance of b ...
Flexão de Elementos Curvos: Análise de Deformações
Flexão de Elementos Curvos: Análise de Deformações
Consider a curved member having a transverse section symmetric with the y-axis. Its upper and lower surfaces intersect with xy-planes along arcs of ...
Flexão de Elementos Curvos: Superfície Neutra
Flexão de Elementos Curvos: Superfície Neutra
For a curved member with a uniform cross-section, the strain equation along the section shows that it varies non-linearly with the distance from the ...
JoVE Logo

Privacidade

Termos de uso

Políticas

Pesquisa

Educação

SOBRE A JoVE

Copyright © 2025 MyJoVE Corporation. Todos os direitos reservados