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电流变材料流变模型的等效参数化分析

Study on the Equivalent Parametrization of Electro-Rheological Models
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摘要 针对电流变材料研究中常见的几种理论模型,通过能量等效的方式建立流变材料的等效材料参数,使材料模型便于应用于流变体连续复合结构分析.文中对各流变模型所体现的材料特性进行了对比,并研究了各模型在不同外激励频率和激励幅值作用下的等效材料参数变化.研究发现,对于电流变液这种特殊流变材料,在不同外加条件和特性阶段采用不同的材料模型进行模拟时,等效材料参数的变化规律有着明显差别,一方面,等效化过程可以将不同特性阶段内流变材料的复杂特性用较为简单的参数形式描述出来,另一方面,结合已有的阻尼结构分析方法,利用这些等效后的材料参数可以方便地将不同的流变材料模型运用到电流变复合结构的理论分析中.
出处 《振动工程学报》 EI CSCD 北大核心 2004年第z2期962-965,共4页 Journal of Vibration Engineering
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参考文献11

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