1. A numerical analysis mesh generating method comprising the steps of: inputting a geometric model under analysis; selecting a verification model having a geometry analogous to said geometric model; corresponding said geometric model to said verification model in terms of the geometry; reading a previously created mapping model approximated from said verification model with a lattice; modifying said mapping model of said verification model from a geometric correspondence between said geometric model and said verification model to create a mapping model for said geometric model; and mapping lattice points of said created mapping model for said geometric model to said geometric model to create a numerical analysis mesh.