The deflection at the centre of a fixed beam carrying a point load at the centre is given by:
(w = point load, L = length of the beam)
1
\(\rm y_c=\frac{Wl^3}{64EI}\)
2
\(\rm y_c=\frac{Wl^4}{384EI}\)
3
\(\rm y_c=\frac{Wl^3}{3EI}\)
4
\(\rm y_c=\frac{Wl^3}{192EI}\)