Numerical Simulation of Supersonic Flow over a Rotating Band Using Flowfield Blanking.
Abstract
Implicit, approximately factored, finite difference codes have been developed for solving the Navier-Stokes equations in general body-fitted coordinates. For a protuberance such as the rotating band on artillery shell, sharp geometric variations exist which make it extremely difficult to generate body conforming grids while preserving the sharp corners. Using wrap around grids for such cases introduces geometric errors and may lead to degradation of computational efficiency and accuracy. This report describes the development and application of a computational procedure using flowfield blanking to compute the flow over a rotating band at supersonic speed with no geometric error. Keywords: Supersonic Flow; Navier Stokes; Flowfield Blanking; Rotating Band.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1986
- Accession Number
- ADA178492
Entities
People
- Jubaraj Sahu
Organizations
- Ballistic Research Laboratory