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中文摘要：
对受切向均布随从力作用的右端可移简支功能梯度材料（FGM）杆，基于轴线可伸长杆的大变形理论建立了非线性控制微分方程组，用打靶法对由金属和陶瓷所构成的FGM杆的后屈曲特性进行了数值分析，给出了不同梯度指标下FGM杆的后屈曲特征曲线，并与金属和陶瓷两种单相材料杆的相应特性进行了比较，讨论了FGM杆长高比对其后屈曲特性的影响。
英文摘要：
Based on the large deformation theory of extensible elastic rod, nonlinear governing differential equations of removable simply supported functionally graded material （FGM） rod subjected to a uniformly distributed tangential follower force along the central axis are established. By using shooting method, the post-buckling behaviors of FGM rod made of metal and ceramic are analyzed. The post-buckling characteristics curves of FGM rod under the different graded index are plotted, and compared with the properties of metal and ceramic material rods. The influence of the length-to-height ratio of rectangular cross-section on the post-buckling behaviors of FGM rod is discussed.
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A new method for the determination of the zero velocity region of the Karnopp model based on the sta
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