Modeling turbulent flow with implicit LES

Implicit large eddy simulation (ILES) is a methodology for modeling high Reynolds' number flows that combine computational efficiency and ease of implementation with predictive calculations and flexible application. Although ILES has been used for more than 15 years, it is only recently that significant effort has gone into providing a physical rationale that speaks to its capabilities and its limitations. In this article, we will present new theoretical results aimed toward building a justification for ILES. We will also compare ILES simulations of complex flows with data to illustrate practical aspects of the validation of our approach.