VMFL075

VMFL075
Supersonic Flow Over a Circular Arc Bump

Overview

Reference

Yeng-Yung Tsui and Tian-Cherng Wu, (2008) A Pressure-Based Unstructured-Grid Algorithm Using High-Resolution Schemes for All-Speed Flows, Numerical Heat Transfer, Part B: Fundamentals, 53:1, 75 - 96

SolverAnsys Fluent
Physics/Models

Inviscid, Compressible, Supersonic

Input FileVMFL075_FLUENT.cas
Project FilesLink to Project Files Download Page

Test Case

Supersonic ideal gas enters a tube with a circular arc bump inside. The supersonic flow shows compression shockwaves before and after the bump, which reflect off the upper wall of the tube.

Figure 176: Flow Domain

Flow Domain

Material PropertiesGeometry Boundary Conditions

Air

Density: ideal gas

Rectangular domain

Length = 3m

Width = 1m

Length of the circular arc bump = 1m

Pressure Far Field with Mach Number = 1.65 bar

Analysis Assumptions and Modeling Notes

Inviscid and steady flow. Coupled solver with pseudo-transient is used.

Results Comparison for Ansys Fluent

Figure 177: Comparison of Mach Number along the lower wall with published reference

Comparison of Mach Number along the lower wall with published reference