CFD

How to use Makefiles to automate CFD solver compilations

In this article, we take a look at automating the software build stage using build and systems. We look at what options are available to us and why CMake, in particular, stands out as the most suitable choice for build automation. It enjoys the largest user base among all build systems, and chances are that …

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How to manage uncertainty in CFD: the grid convergence index

CFD simulations are riddled with errors and uncertainties that we have to manage as CFD practitioners. The most commonly used technique to establish trust in our simulations is a grid convergence study, where the so-called grid convergence index is calculated. This value provides us with a measure of the mesh-induced uncertainty and, in many cases, …

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