VMFLGPU003

VMFLGPU003
Laminar Flow in a Triangular Cavity

Overview

ReferenceR. Jyotsna, S.P. Vanka. “Multigrid Calculation of Steady, Viscous Flow in a Triangular Cavity”. J. Comp. Phys., Vol 122, pp. 107-117, 1995.
SolverAnsys Fluent GPU
Physics/ModelsViscous flow, driven by a moving wall
Input Files
vt003.msh.h5, vmfl003.jou for Ansys FluentGPU

Test Case

Laminar flow induced by the motion of the top wall of a triangular cavity (Figure 186: Flow Domain). The side walls are stationary.

Figure 186: Flow Domain

Flow Domain
Flow Domain

Material PropertiesGeometry Boundary Conditions

Density = 1 kg/m3

Viscosity = 0.01 kg/m-s

Height of the triangular cavity = 4 m

Width of the base = 2 m

Velocity of the top (base) wall = 2 m/s

Other walls are stationary

Analysis Assumptions and Modeling Notes

The flow is steady. Pressure based solver is used. A hybrid mesh with tetrahedral and hexahedral cells is used to discretize the domain.

Results Comparison for FLUENT GPU

Figure 187: Comparison of Distribution of Normalized X-Velocity Along a Vertical Line that Bisects the Base of the Cavity

Comparison of Distribution of Normalized X-Velocity Along a Vertical Line that Bisects the Base of the Cavity


In this figure, X-velocity is normalized by the velocity of the moving wall.