A Simplified Calculation of Reduced HCT--Basis Functions in a Finite Element Context

A Simplified Calculation of Reduced HCT--Basis Functions in a Finite Element Context
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简化HCT--有限元基函数的简化计算

DOI:
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发表时间:
2012
期刊:
Comput. Methods Appl. Math.
影响因子:
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通讯作者:
A. Meyer
A. Meyer
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文献类型:
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作者:
A. Meyer

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摘要本文给出了一种简化的Hsieh-Clough-Tocher(rHCT)元上基函数的简单定义公式。这些公式在主三角形中使用P_3-双正交基,并且仅借助于三角形的边向量来形成结果基。这允许一个简单而有效的算法来计算刚度矩阵。
Abstract We present simple formulas for the definition of the basis functions on a reduced Hsieh-Clough-Tocher (rHCT) element. These formulas use the P_3-biorthogonal basis in the master triangle and form the resulting basis with the help of the edge vectors of the triangle only. This allows for a simple and efficient algorithm to compute the stiffness matrices.