Tag: cfd

Un Approccio al Lattice Boltzmann Method per la Simulazione di Flusso 2D Attorno a un Cilindro

·Biagio

Il Lattice Boltzmann Method (LBM) è una tecnica potente e versatile per la simulazione numerica dei fluidi. Si distingue per la sua capacità di gestire complesse condizioni al contorno e per la relativa facilità di implementazione, rispetto ad altri metodi computazionali. Esploreremo, brevemente, la metodologia LBM attraverso una specifica implementazione: la simulazione del flusso bidimensionale…

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Uniform flow past a doublet…

·Biagio

A doublet alone does not give so much information about how it can be used to represent a practical flow pattern in aerodynamics. But let’s use our superposition powers: our doublet in a uniform flow turns out to be a very interesting flow pattern. Let’s first define a uniform horizontal flow. Now, we can calculate…

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Solving 2D Heat Equation…

·Biagio

Before we do the Python code, let’s talk about the heat equation and finite-difference method. Heat equation is basically a partial differential equation, it is If we want to solve it in 2D (Cartesian), we can write the heat equation above like this: where u is the quantity that we want to know, t is…

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1-D Linear Convection

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The 1-D Linear Convection equation is the simplest, most basic model that can be used to learn something about CFD. With given initial conditions (understood as a wave), the equation represents the propagation of that initial wave with speed , without change of shape. Let the initial condition be . Then the exact solution of…

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