This letter investigates the scattering characteristic of the rivets on aircraft. The Electric Field Integral Equation (EFIE)
is used with the moment method to calculate the current distribution on the surface of the rivet. With the application of
Gaussian integral corresponding triangular cell, the time to fill the
Z matrix is greatly reduced. Finally, the RCS of a type of rivet on aircraft is analyzed.
Key words Moment method - Radar Cross Section(RCS) - Aircraft - Rivet