Closed-form expressions for the linear and quadratic strain tetrahedral finite elements

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	Year	Citations
Moderate degree cubature formulas for 3‐D tetrahedral finite‐element approximations M. Gellert, R. Harbord Communications in Applied Numerical Methods	1991	28
Closed-form stiffness matrices for the linear strain and quadratic strain tetrahedron finite elements Panos S. Shiakolas, R.V. Nambiar, K.L. Lawrence, Computers & Structures Finite Element MethodEngineeringIsogeometric AnalysisMechanicsMechanical Engineering	1992	26
Closed form stiffness matrices and error estimators for plane hierarchic triangular elements K.L. Lawrence, Rajiv V. Nambiar, Brad Bergmann International Journal for Numerical Methods in Engineering Numerical AnalysisEngineeringMechanical EngineeringComputer-aided DesignStructural Optimization	1991	23
Convenient generation of stiffness matrices for the family of plane triangular elements G. Subramanian, Chandan Bose Computers & Structures Numerical AnalysisDiscrete GeometryEngineeringIsogeometric AnalysisMatrix Analysis	1982	23

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