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In two dimensional isoparametric elements, we can generate element stiffness matrix by using ____

a) Numerical integration
b) Differential equations
c) Partial derivatives
d) Undefined

Answer: a
Explanation: The term isoparametric is derived from the use of the same shape functions (or interpolation functions) [N] to define the element’s geometric shape as are used to define the displacements within the element.

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