Application of inverse analysis to determine the strain distribution with optoelectronic method insensitive to temperature changes

Piotr Kisala

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Application of inverse analysis to determine the strain distribution with optoelectronic method insensitive to temperature changes

机译：反分析应用光电法确定对温度变化不敏感的应变分布

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This paper presents the application of inverse analysis to determine the stress distribution in a way that is insensitive to changes in temperature. For this purpose, a sensor with a fiber Bragg grating (FBG) was used. The paper discusses the direct solution of the task and presents the development and validation of a mathematical model of the Bragg grating sensor. Computer simulations were performed to apply numerical algorithms that completed the calculations according to the mathematical structure of the model and considered the values of all other elements of the FBG sensor. An experimental study was also conducted using a constructed measuring post.

机译：本文介绍了反分析的应用，以对温度变化不敏感的方式确定应力分布。为此，使用了带有光纤布拉格光栅（FBG）的传感器。本文讨论了任务的直接解决方案，并提出了布拉格光栅传感器数学模型的开发和验证。进行了计算机仿真，以应用数值算法，该算法根据模型的数学结构完成了计算，并考虑了FBG传感器的所有其他元素的值。还使用建造的测量柱进行了实验研究。

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《Applied optics》 |2012年第16期|共6页
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Piotr Kisala;
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Application of inverse analysis to determine the strain distribution with optoelectronic method insensitive to temperature changes

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