Stress separation from photoelastic data by a multigrid method



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Quiroga Mellado, Juan Antonio and González Cano, Agustín (1998) Stress separation from photoelastic data by a multigrid method. Measurement Science and Technology, 9 (8). pp. 1024-1210. ISSN 0957-0233

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An application of multigrid techniques for the separation of principal stresses in plane stress systems is presented. By establishing the equilibrium equations and determining the value of shear from photoelastic data a system of partial differential equations is obtained, which can be solved by applying a multigrid method. Multigrid methods are comparable to Fourier methods in efficiency and robustness and can be applied to processing areas of arbitrary shape.

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© 1998 IOP Publishing Ltd.
We thank Professor Eusebio Bernabeu, director of the Optics Department of the Universidad Complutense for
his help and continuous support. Also, we thank Hans Steinbichler, of Steinbichler Optotechnik GmbH, for his
technical assistance. This work has been partially supported by project MAT 95-0767 of the CICYT (Comisión
Interministerial de Ciencia y Tecnología).

Uncontrolled Keywords:Phase
Subjects:Sciences > Physics > Optics
ID Code:23244
Deposited On:21 Oct 2013 07:41
Last Modified:31 Dec 2020 00:01

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