2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/1608Two methods generating warped galaxies with N-body simulations are presented. One uses an external potential as a disturber while the other is based on material accretion. The results of both methods are compared. A particular attention is given on the shape of the line of node (LON).2 pages, to appear in "Gas & Galaxy Evolution", VLA 20th Anniversary Conference, J.E. Hibbard, M.P. Rupen & J.H. van Gorkom (eds.)Astrophysicstext