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The lattice-Boltzmann (LB) method is a way of performing simulations of fluid flow and related transport processes, and in this monograph, we argue that it is a useful addition to more mainstream computational fluid dynamics (CFD) methods based on finite volumes, finite differences or finite elements. There are many reasons for using the LB method, and also many reasons for not using it. The usefulness of the LB method largely depends on the specific application, including the level of detail one is interested in resolving through simulation. It also depends on the availability of computational resources.

An understanding of the LB method, its implementation in computer code, as well as demonstrations of sample applications in the realm of hydraulics will help the reader in deciding if a specific application could benefit from the method and – if so – will hopefully enable a quick start.

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