Personal Simulation Workshop(PSW): OAK Digital Wing Tunnel(DWT) PSW is a streamline-body design and analysis package for the PC, comprising programs for surface definition, flow analysis, and data visualization Its three principal elements Loftsman geometric layout of external lines Cmarc flow analysis Postmark interpretation of resultsPersonal Simulation Workshop (PSW): Digital Wing Tunnel (DWT) • PSW is a streamline-body design and analysis package for the PC, comprising programs for surface definition, flow analysis, and data visualization. • Its three principal elements : – Loftsman • geometric layout of external lines – Cmarc • flow analysis – Postmarc • interpretation of results