...；厚薄通用板元；剪切闭锁 [gap=9405]Key words: finite element; trial function; thick-thin plate element; shear locking. ...
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shear-locking 剪锁现象
Shear locking problem 剪切闭锁问题
shear locking phenomenon 剪切闭锁现象
shear and membrane locking 剪切闭锁与薄膜闭锁
What is more, Shear locking is likely to occur in this kind of structures, which can induce smaller dislacement result.
这类结构在有限元计算中也易出现位移计算值偏小的剪切闭锁现象。
参考来源 - 岩土工程中条状和板状结构的有限元分析研究To avoid the membrane and shear locking, the weak form is integrated nodally where the shear and membrane stiffness matrices are computed via the direct nodal integration and the bending stiffness matrix is evaluated with the smoothed nodal curvature.
为了避免薄膜和剪切自锁问题,在对弱形式进行积分时采用点积分列式,即对薄膜和剪切刚度采用直接节点积分,对弯曲刚度采取拉格朗日光滑节点曲率进行积分。
参考来源 - 非均质材料界面的间断伽辽金无网格模拟及梁板结构的大变形高效无网格分析Meanwhile, this passage bases on the thickbeam theory of Timoshenko, construct functions of interposing displacement field inplate and prevent from“shear locking”phenomenon.
同时以铁木辛柯厚梁理论为基础，建立了板单元的插值场函数，从而避免了“剪切闭锁”现象的发生。
参考来源 - 厚薄板通用的广义协调矩形单元·2,447,543篇论文数据，部分数据来源于NoteExpress
For the bending forming problems, more ordinary finite elements need to be adopted because of shear locking phenomena.
对于弯曲成形，采用普通有限元方法会有剪切自锁现象，需要划分大量的单元。
The shear strain fields are degenerated to be zero under the thin plate situation, so there is no shear locking phenomenon.
由于在薄板情况剪应变退化为零，故不出现剪切闭锁现象。
An ACN element stiffness matrix is proposed in the paper, which can be used in the analysis of both thick and thin plates without shear locking.
本文给出一个可以通用于薄板和厚板结构分析且不会出现剪切自锁的ACM单元刚度矩阵。
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