Friday, September 21, 2012

Tutorial: UDF - Sinusoidal Wall Temperature Variation

This tutorial examines fluid flow through a two-dimensional channel, where one wall of the channel has a user-defined temperature profile applied to it. The purpose of this tutorial is to demonstrate the ability of FLUENT to use user-defined functions (UDFs) to specify a position-dependent variable on the wall boundary condition.

Problem Description
The schematic of the problem considered in this tutorial is shown in Figure. Air at 300 K enters a 2-D channel which has an insulated upper wall and a heated lower wall. The temperature on the lower wall varies sinusoidally with x-position. The calculation will be performed assuming steady state incompressible, laminar flow in the channel.

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