(14) For a linear element, using the local coordinate system x whose origin lies at the half point of the element, as shown in the figure below, which of the following equations is correct for the...

Q3

Extracted text: (14) For a linear element, using the local coordinate system x whose origin lies at the half point of the element, as shown in the figure below, which of the following equations is correct for the shape function S? Local x 1/2 (A) Si (B) S; (C) (D) Si + + I I| || || I|