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On Linear Vibration of Simply-Supported Beam Made of Material with Different Tension-Compression Elastic Moduli
Pages: 10-13
Year: Issue:  5
Journal: Journal of Gansu Sciences

Keyword:  Elastic modulusSimply supported beamFree vibrationFrequencyPrincipal mode;
Abstract: 基于弹性力学的基本理论和不同模量弹性理论,分析了拉压弹性模量不等材料简支梁的自由振动情况下的应力和应变,同时给出相应的应力计算公式.通过自由振动的振动微分方程,解析了自由振动的前三阶频率和主振型.通过数值计算,分析频率和主振型随模量比的变化情况.
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