Temporal-adaptive Euler/Navier-Stokes algorithm for unsteady aerodynamic analysis of airfoils using unstructured dynamic meshes | Zendy

William L. Kleb | Zendy; Marc H. Williams | Zendy; John T. Batina | Zendy

Open Access

Temporal-adaptive Euler/Navier-Stokes algorithm for unsteady aerodynamic analysis of airfoils using unstructured dynamic meshes

Author(s) -

William L. Kleb,

Marc H. Williams,

John T. Batina

Publication year - 1990

Publication title -

21st fluid dynamics, plasma dynamics and lasers conference

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.1990-1650

Subject(s) - airfoil , aerodynamics , polygon mesh , computer science , euler's formula , euler equations , navier–stokes equations , algorithm , aerospace engineering , mathematics , mathematical analysis , computer graphics (images) , engineering , compressibility

A temporal adaptive algorithm for the time-integration of the two-dimensional Euler or Navier-Stokes equations is presented. The flow solver involves an upwind flux-split spatial discretization for the convective terms and central differencing for the shear-stress and heat flux terms on an unstructured mesh of triangles. The temporal adaptive algorithm is a time-accurate integration procedure which allows flows with high spatial and temporal gradients to be computed efficiently by advancing each grid cell near its maximum allowable time step. Results indicate that an appreciable computational savings can be achieved for both inviscid and viscous unsteady airfoil problems using unstructured meshes without degrading spatial or temporal accuracy.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research