diff --git a/old-lattice-boltzmann.com/config.toml b/old-lattice-boltzmann.com/config.toml
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-# The URL the site will be built for
-base_url = "https://www.lattice-boltzmann.com"
-
-# Whether to automatically compile all Sass files in the sass directory
-compile_sass = true
-
-# Whether to build a search index to be used later on by a JavaScript library
-build_search_index = true
-
-theme = "toucan"
-
-transparent = "true"
-
-[markdown]
-# Whether to do syntax highlighting
-# Theme can be customised by setting the `highlight_theme` variable to a theme supported by Zola
-highlight_code = true
-highlight_theme = "base16-ocean-light"
-
-[extra]
-# Put all your custom variables here
-
-# Whether to do syntax highlighting
-# Theme can be customised by setting the `highlight_theme` variable to a theme supported by Zola
-title = "High performance lattice Boltzmann method"
-
-[extra.theme]
-read_more = "Read more"
diff --git a/old-lattice-boltzmann.com/content/1-dimensionless-lbm.md b/old-lattice-boltzmann.com/content/1-dimensionless-lbm.md
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-+++
-title = "The dimensionless lattice Boltzmann equation"
-description = "How to write the dimensionless lattice Boltzmann equation"
-date = 2024-03-06
-slug = "dimensionless"
-
-[extra]
-katex = true
-+++
-
-## Thed imensionless Navier-Stokes
-
-In order to write the dimensionless lattice Boltzmann equation, we start by reminding the basis of dimensional analysis for fluid flows by writing the dimensionless incompressible Navier--Stokes which are more common in the litterature.
-
-The incompressible Navier--Stokes equations reads
-
-££
-\begin{aligned}
-&\bm{\nabla}\cdot\bm{u}=0,\\\\
-&\frac{\partial}{\partial t}\bm{u}+\bm{u}\cdot\bm{\nabla}\bm{u}=-\frac{1}{\rho}\bm{\nabla}p+\nu\bm{\nabla}^2\bm{u},
-\end{aligned}
-££
-where $p$, $\rho$, $\nu$, and $\bm{u}$ are respectively the pressure, density, kinematic viscosity, and velocity of the flow.
-
-In order to transform this equation into its dimensionless form a certain amount of characteristic lengthscales must be chosen. Here we will define $U$ as the characteristic velocity of the flow and $L$ its characteristic length.
-
-We can the write all the above quantities dimensionless form
-££
-\begin{aligned}
-&\bm{u}^\ast=\frac{\bm{u}}{U}, &p^\ast=\frac{p}{\rho U^2},\\\\
-&t^\ast=\frac{U}{L}t, &\bm{x}^\ast=\frac{\bm{x}}{L},\\\\
-&\frac{\partial}{\partial t^\ast}=\frac{L}{U}\frac{\partial}{\partial t}, &\bm{\nabla}^\ast=L\bm{\nabla}
-\end{aligned}
-££
-Replacing these equations into the Navier--Stokes equations one gets
-££
-\begin{aligned}
-&\bm{\nabla}^\ast\cdot\bm{u}^\ast=0,\\\\
-&\frac{\partial}{\partial t^\ast}\bm{u}^\ast+\bm{u}^\ast\cdot\bm{\nabla}^\ast\bm{u}^\ast=-\bm{\nabla}^\ast p^\ast+\frac{1}{\mathrm{Re}}\bm{\nabla}^{\ast 2}\bm{u}^\ast,
-\end{aligned}
-££
-where $\mathrm{Re}=U\cdot L/\nu$ is the _famous_ Reynolds number which represents the ratio of the inertial over the viscous forces.
-
-It must me noted that this non-dimensionnalization procedure heavily relies on the choice of the characteristic timescale of the flow 
-which is this case can be constructed through the characteristic velocity of the flow, $T=L/U$. By chosing the kinematic viscosity instead of the
-velocity, the characteristic time of the flow becomes, $T=L^2/\nu$. With this new characteristic time the dimensionless quantities become
-££
-\begin{aligned}
-&\bm{u}^\ast=\frac{L}{\nu}\bm{u}, &p^\ast=\frac{L^2}{\nu^2\rho}p,\\\\
-&t^\ast=\frac{\nu}{L^2}t, &\bm{x}^\ast=\frac{\bm{x}}{L},\\\\
-&\frac{\partial}{\partial t^\ast}=\frac{L^2}{\nu}\frac{\partial}{\partial t}, &\bm{\nabla}^\ast=L\bm{\nabla}
-\end{aligned}
-££
-which in turn give the following dimensionless Navier--Stokes equations
-££
-\begin{aligned}
-&\bm{\nabla}^\ast\cdot\bm{u}^\ast=0,\\\\
-&\frac{\partial}{\partial t^\ast}\bm{u}^\ast+\bm{u}^\ast\cdot\bm{\nabla}^\ast\bm{u}^\ast=-\bm{\nabla}^\ast p^\ast+\bm{\nabla}^{\ast 2}\bm{u}^\ast,
-\end{aligned}
-££
-where we see that no dimensionless number is present anymore. This kind of non-dimensionalization is only valid for creeping flows that move only very slowly and will not interest us in this series of tutorials.
-
-## The dimensionless Boltzmann equation
-
-The quantity of interest in the Boltzmann equation is the desity probability distribution function
-££
-f(\bm{x},\bm{\xi}, t)
-££
-which represents the probability of finding a particle at position $\bm{x}$ with velocity $\bm{\xi}$ at time $t$.
-
-In this tutorial we will only be interested in the Boltzmann-BGK equation[^1]
-££
-\partial_t f(\bm{x}, \bm{\xi}, t)+\bm{\xi}\cdot \bm{\nabla}f(\bm{x},\bm{\xi}, t)=-\frac{1}{\tau}\left(f(\bm{x}, \bm{\xi}, t)-f^{eq}(\bm{x}, \bm{\xi}, t)\right),
-££
-where $\tau$ is the relaxation time of the fluid, and $f^{eq}$ the equilibrium distribution function which is typically the Maxwell-Boltzmann distribution (more on this later).
-
-The dimensionless density distribution function is then given by
-
-
-[^1]: See reference TODO
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diff --git a/old-lattice-boltzmann.com/content/_index.md b/old-lattice-boltzmann.com/content/_index.md
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-+++
-sort_by = "date"
-template = "section.html"
-+++