大挠度弯曲直梁混合变量最小势能原理的应用
APPLICATION OF THE PRINCIPLE OF MINIMUM POTENTIAL ENERGY WITH MIXED VARIABLES FOR BEAMS WITH LARGE DEFLECTIONS
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摘要: 应用大挠度弯曲直梁混合变量最小势能原理,求解均载两端固定大挠度柱面弯曲板条的轴向挠度分布和轴向弯矩分布. 实例计算表明: 该方法简单实用、精度高,是一种计算大挠度柱面弯曲板条变形的有效方法.Abstract: Based on the principle of minimum potential energywith mixed variables for beams with large deflections, the paperpresents an approximate method for cylindricalbending of large deflections of panels with two edges fixed. From theresults it is shown that the method is effective and enjoys a high precision.