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Shape Functions for Curved 2-D Triangular Element

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Old   November 30, 2003, 14:14
Default Shape Functions for Curved 2-D Triangular Element
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Abhijit Tilak
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Hello Friends,

I am looking for references on shape functions and numerical integration for evaluating element stiffness matrix for curved 2-D triangular element using iso-parametric formulation. Most of the books discuss sub-parametric formulation. My geometry is complex and curvilinear. From what I gathered sub-parametric formulation is not recommended in such cases. Can anyone please name some references: books, papers or web links (preferable).

Thanks

Abhijit Tilak
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