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The total number of dofs in quadrilateral element is ______

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The total number of dofs in quadrilateral element is ______

(a) thirty six

(b) eighteen

(c) twenty four

(d) forty two

The question was asked in class test.

Asked question is from Conjugate Gradient Implementation of Quadrilateral Element topic in chapter Two Dimensional Isoparametric Elements and Numerical Integration of Finite Element Method

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Right choice is (c) twenty four

Explanation: Number of dofs per node=6

Number of nodes in quadrilateral element=4

Total number of dofs=6*4=24

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