Question
(20%) Use (a) the Galerkin’s method and (b) Minimum Potential approach to find the displacement at the midpoint of the rode shown under the body force g. \text { Consider
} u=a_{1}+a_{2} x+a_{3} x^{2}
Fig: 1
Fig: 2
Fig: 3
} u=a_{1}+a_{2} x+a_{3} x^{2}
Fig: 1
Fig: 2
Fig: 3
