本文通过一个展弦比为3的三角形机翼的地面效应试验，测量了地板上的三元紊流附面层。
Three-dimensional turbulent boundary layer on the ground board is measured through the ground effect tests of a delta wing with aspect ratio 3.
本文推导了在任意载荷激励下直角三角形板单元局部动力效应修正公式。
In this paper, the local dynamic effect modification formulation of rightangled triangle plate element under arbitrary excitation is presented.
针对剪切闭锁效应，本文引入一种基于假设自然应变方法的宏观三角形分区平板壳单元。
In order to reduce the intractable shear locking effect, a macro triangular partition shell element is formed with three individual sub-triangular domains.
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