Digital determination of the secondary principal stress parameters in scattered-light photoelasticity

研究成果: Conference contribution

摘要

Scattered-light photoelasticity provides a nondestructive approach for analyzing the secondary principal stresses in a 3D photoelastic model. In this paper, a method is proposed to determine the whole-field secondary photoelastic parameters (isoclinics and isochromatics) using polarized incident light in the scatted-light photoelasticity. Relevant theory is derived and explained. Two polarization-stepped loaded model images and the associated unloaded model images are used to determine the isoclinic angle and the fractional retardation or fringe order. Tests of this method on a circular disk under diametrical compression are demonstrated. The digitally determined secondary principal stress direction agrees well with the theory.

原文English
主出版物標題Proceedings of the 2006 SEM Annual Conference and Exposition on Experimental and Applied Mechanics 2006
頁面1589-1595
頁數7
出版狀態Published - 2006 十月 31
事件SEM Annual Conference and Exposition on Experimental and Applied Mechanics 2006 - Saint Louis, MO, United States
持續時間: 2006 六月 42006 六月 7

出版系列

名字Proceedings of the 2006 SEM Annual Conference and Exposition on Experimental and Applied Mechanics 2006
3

Other

OtherSEM Annual Conference and Exposition on Experimental and Applied Mechanics 2006
國家/地區United States
城市Saint Louis, MO
期間06-06-0406-06-07

All Science Journal Classification (ASJC) codes

  • 工程 (全部)

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