In q=[q1,q2]T is defined as __________
a) Element displacement vector
b) Element vector
c) Displacement vector
d) Shape function vector
Answer: a
Explanation: Once the shape functions are defined, the linear displacement field within in the element can be written in terms of nodal displacements q1 and q2 and matrix notation as q=[q1,q2]. Here q is referred as element displacement function.
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