Introduction to cmarc An inviscid fluid flow analysis code of the type known as a low- order panel method It is an enhanced version of nasa's pmarc-12 With modern desktop computers, dense meshes of 5,000 or more panels for a half-model can be analyzed in minutes Although the basic analysis is inviscid, a subsequent boundary layer analysis may be performed along individual streamlines or over the entire surface Provided that flow is attached and that large areas of crossflow do not appear, the boundary layer analysis is quite accurate Only the frictional and lift-induced components of drag can be computed, however; an inviscid analysis is inherently unable to calculate pressure or "form"drag Written in ANSI CIntroduction to Cmarc • An inviscid fluid flow analysis code of the type known as a low￾order panel method. – It is an enhanced version of NASA's Pmarc-12 • With modern desktop computers, dense meshes of 5,000 or more panels for a half-model can be analyzed in minutes. • Although the basic analysis is inviscid, a subsequent boundary￾layer analysis may be performed along individual streamlines or over the entire surface. – Provided that flow is attached and that large areas of crossflow do not appear, the boundary layer analysis is quite accurate. • Only the frictional and lift-induced components of drag can be computed, however; an inviscid analysis is inherently unable to calculate pressure or "form" drag. • Written in ANSI C