Classical bending theory of beam and plate can only be fit for thin and long beam and thin due to without considering deformed influence of cross shearing.
经典的梁板弯曲理论由于未考虑横向剪切变形的影响而只能适用于细长梁和薄板。
In the theory of elastic thin plates, the bending of a free rectangular plate on the elastic foundation is also a difficult problem.
在弹性地基上的自由矩形板的弯曲，在弹性薄板理论中也是个难题。
A new effective way to formulate thin plate element can be realized by using the similarity theory between plane elasticity and plate bending.
平面弹性与板弯曲的相似性理论为构造薄板单元提供了一条有效的新途径。
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