首页> 美国政府科技报告 >A SIMPLIFIED METHOD FOR USING FREE VIBRATION OF THE THREE PARAMETER STANDARD SOLID RHEOLOGICAL MODEL FOR ANALYSIS OF GRAFT UNIONS IN APPLE TREES
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A SIMPLIFIED METHOD FOR USING FREE VIBRATION OF THE THREE PARAMETER STANDARD SOLID RHEOLOGICAL MODEL FOR ANALYSIS OF GRAFT UNIONS IN APPLE TREES

机译:一种利用三参数标准固体流变模型自由振动的简化方法分析苹果树丛中的嫁接

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摘要

An analysis of free vibration of a beam is made to measure, using Hooke and Maxwell elements in parallel, properties of wood specimens taken from grafted apple trees. A graphical procedure is given for determining the model constants and a special case of nonlinear damping is discussed.

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