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Direct measurement of the plate bending stresses using michelson shearography interferometer

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Resumo:This work presents a new approach to achieve the third order spatial derivatives of out-of-plane displacements field using a full field technique. The Michelson Shearography technique is used to obtain the first order derivatives. The second and third orders are computed using multiple exposed Shearography technique with digital superposed method. An experimental procedure is proposed for the measurement of the first order derivatives. A steel clamped plate loaded with a uniform pressure was tested for internal stresses calculation. A good agreement between the experimental results and analytical solution is presented.
Autores principais:Lopes, Hernani
Outros Autores:Ribeiro, J.E.; Guedes, Rui M.; Vaz, M.A.P.
Assunto:Speckle shearography Bending moments Shear forces
Ano:2008
País:Portugal
Tipo de documento:documento de conferência
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Bragança
Idioma:inglês
Origem:Biblioteca Digital do IPB

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