节点梯度光滑有限元配点法1)
樊礼恒, 王东东, 刘宇翔, 杜洪辉

A FINITE ELEMENT COLLOCATION METHOD WITH SMOOTHED NODAL GRADIENTS1)
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图18 悬臂梁问题应力解$\sigma_{xy}^{ h} $误差对比
Fig.18 Error comparison of the stress solution $\sigma_{xy}^{ h} $ for the cantilever beam problem