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|Title||High order Isoparametric elements with variable positions of the edge and interior nodes.|
A modified quadrilateral or triangular isoparametric Lagrange element with square or cubic shape functions as well as shape function to fourth order are developed. The proposed element allows variable positions of the interior nodes on the edge of the element and within the element. A singularity of the Jacobian matrix and numerical problems will not occur if the condition that no two nodes one above the other positioned, is kept.
|Series||Volume: 78, Number: 8|
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