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CHEN Bin, WANG Kaige, ZHAI Yuwen. 复合材料加筋板的光纤光栅测试与分析[J]. Chinese Journal of Ship Research, 2013, 8(5): 52-57. DOI: 10.3969/j.issn.1673-3185.2013.05.009
Citation:
CHEN Bin, WANG Kaige, ZHAI Yuwen. 复合材料加筋板的光纤光栅测试与分析[J]. Chinese Journal of Ship Research, 2013, 8(5): 52-57. DOI: 10.3969/j.issn.1673-3185.2013.05.009
CHEN Bin, WANG Kaige, ZHAI Yuwen. 复合材料加筋板的光纤光栅测试与分析[J]. Chinese Journal of Ship Research, 2013, 8(5): 52-57. DOI: 10.3969/j.issn.1673-3185.2013.05.009
Citation:
CHEN Bin, WANG Kaige, ZHAI Yuwen. 复合材料加筋板的光纤光栅测试与分析[J]. Chinese Journal of Ship Research, 2013, 8(5): 52-57. DOI: 10.3969/j.issn.1673-3185.2013.05.009
复合材料加筋板的光纤光栅测试与分析
CHEN Bin
,
WANG Kaige
,
ZHAI Yuwen
Graphical Abstract
Abstract
Abstract
设计材料用量相同的复合材料帽形加筋板和T形加筋板,基于2种结构的应变规律理论分析和有限元应变计算结果,提出在筋内部铺设光纤光栅的方案,并制作试验模型进行应变试验测试。将理论应变分布规律、有限元应变计算结果、电阻式应变片测试结果和光纤光栅应变测试结果进行对比分析,结果表明,光纤光栅应变测试结果的线性度要优于应变片。对于帽形加筋板和T形加筋板,光栅的单向应变测试结果与有限元计算结果的误差分别为6%和4%,剪切应变误差均为23%,且上述误差均小于应变片测试结果与有限元计算结果间的误差。
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