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  1. W

    Computing Circulation in Pipe Flow using Velocity & Angular Direction

    I need to find the circulation for a flow in a pipe. I'm using the velocity in the angular direction (cylindrical coordinate system). Am I right in thinking that an ideal vortex is one where there is no vorticity? That would mean there is no circulation. It's strange, because the velocity is...
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    Turbulent Natural Convection with Condensation

    Hello, I'm thinking about a natural convection problem where you have turbulent flow on a vertical wall. It's compressible flow, and it's a two-phase problem. You have two boundary layers, one for the air-vapor mixture, and one for the condensate. The question I'm pondering is this...
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    1D COMSOL Domain Implementation

    I think I may have figured it out. I'll use it and see how the results go. I'm trying to have 3 separate PDE models, and activating each one in one of the subdomains.
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    1D COMSOL Domain Implementation

    Hello, This is the first time I'm using COMSOL on a problem where I have multiple subdomains within the domain. Previously, I have only been using one domain/one set of equations/Two global sets of BC's. I've been having a hard time thinking of a solution to my problem. I have 3...