煤矿立井次生地压分布规律研究之一-学术论文网 关键词：立井；次生地压；薄板单元 [gap=1257]Key words: shaft； secondary strata stress； thin-plate element
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thick-thin plate element 厚薄通用板元
Rectangular thin plate element 矩形薄板单元
quadrilateral thin plate element 四边形薄板单元
low order thin plate element 低阶薄板单元
harmonized rectangular thin plate element 薄板矩形协调单元
thin plate bending element 薄板弯曲单元 ; 薄板弯曲元
This paper presents a quadrilateral thin-plate element with generalized compatibility, it being by way of the optimum approach.
本文利用最佳逼近思想，构造了一种任意四边形广义协调薄板元。
When the plate thickness approaches to the limit of thin plates, the current element degenerates to the thin plate element automatically, so that the shear locking phenomenon will not appear.
在薄板极限情况下，这种厚薄板通用单元自动退化为原来的薄板单元，消除了剪切闭锁现象。
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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