Evaluación de combinaciones fuente de iluminación - sensor basada en el análisis de Fourier de imágenes de fotoelasticidad digital
H.Fandiño-Toro, P. Giraldo-Bustamante, A. Villegas-Andrade, G. Correa-Solano, J. Briñez-de León
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Información básica
Volumen
V57 - N2 / 2024 Ordinario
Referencia
51167
DOI
http://dx.doi.org/10.7149/OPA.57.2.51167
Idioma
Spanish
Etiquetas
Fotoelasticidad digital, patrones de franja, fuente de iluminación, sensor.
Resumen
La evaluación del campo de esfuerzos basada en fotoelasticidad digital es de interés en múltiples áreas de la ingeniería, por las características de campo completo y no destructivas que ofrece esta técnica óptica. Al margen del enfoque utilizado, reconstruir el campo de esfuerzos utilizando fotoelasticidad implica el procesamiento de información codificada en imágenes con patrones de franja. La información visual en estas imágenes depende de la interacción entre la fuente de iluminación y el sensor utilizados para adquirir o generar tales imágenes. En este trabajo se presenta un nuevo descriptor para cuantificar el efecto de la interacción fuente de iluminación-sensor, en la calidad de la información visual disponible en los patrones de franja fotoelásticos, y en la capacidad para resolver órdenes de franja más altos en el campo de esfuerzos.
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