Nonlinear and Timedependant Optomechanical Transformation Equation for FBG Strain Sensors
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Author:
- WU Yonghong
WU Yonghong
Department of Construction Engineering,College of Civil Engineering,Tongji University,Shanghai 200092,China
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Search for this author on this site - SHAO Changjiang
SHAO Changjiang
Department of Construction Engineering,College of Civil Engineering,Tongji University,Shanghai 200092,China
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Search for this author on this site - QU Wenjun
QU Wenjun
Department of Construction Engineering,College of Civil Engineering,Tongji University,Shanghai 200092,China
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Search for this author on this site - ZHOU Wei
ZHOU Wei
Department of Construction Engineering,College of Civil Engineering,Tongji University,Shanghai 200092,China
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TP 125
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Abstract:
Based on the Basic fiber optical Bragg grating(FBG)strain sensing principle and the basic theories of elastoplastic and viscoelastic mechanics,a nonlinear and timedependant optomechanical transformation equation for FBG sensors was established,into which effects of both plastic and viscoelastic mechanic behaviors of a sensor were incorporated.
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WU Yonghong, SHAO Changjiang, QU Wenjun, ZHOU Wei. Nonlinear and Timedependant Optomechanical Transformation Equation for FBG Strain Sensors[J].同济大学学报(自然科学版),2011,39(1):53~56
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History
- Received:August 23,2009
- Revised:December 02,2010
- Adopted:April 07,2010
- Online: February 22,2011
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