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板类约束阻尼结构的层间厚度参数优化
黄加才
航天材料及工艺研究所
摘要:
将梁结构剪切中性轴的概念推广至约束阻尼板结构中,提出了剪切中性面的概念。基于变形能原理,
对板类约束阻尼结构的结构损耗因子进行层间厚度参数优化理论分析,并进行试验验证。结果表明,阻尼层较薄时,
阻尼层厚度和约束层厚度的优化理论分析结果与试验数据变化趋势一致,表明了理论分析方法的合理性。
关键词:  约束阻尼结构,阻尼板,结构损耗因子,优化
DOI:
分类号:
基金项目:
Optimization Method to Optimize Layer Thickness for Constrained Damping Plate
Abstract:
The concept of “Shear Neutral Area” was proposed for constrained damping plate compared to “Shear
Neutral Axis” for beam. Based on Deformed Energy Principle, structural loss factor was analyzed by optimizing the
thickness of damping layer, and then tests were executed. Results show when damping layer is thin, the thickness of
damping layer and constrained layer are consistent to actual measurement, indicating the rationality of the analysis
method
Key words:  Constrained damping structure, Damping plate, Structural loss factor, Optimization