Tutorials

Basics

The following tutorials show you how to get and build waLBerla and describe all the basic data strcutures and concepts of the framework.

• Tutorial - Basics 1: waLBerla Data Structures: Blocks and Fields
  The first tutorial explains the basic data structures of waLBerla and how to setup a simple domain.
• Tutorial - Basics 2: Algorithms on Blocks: Sweeps
  The second tutorial shows how to write algorithms that operate on block data.
• Tutorial - Basics 3: Writing a Simple Cellular Automaton in waLBerla
  The third tutorial deals with communication, iterating field/grid/lattice data, and geometry setup.

Modular and Extensible Software Architecture for Particle Dynamics

• Tutorial - Confined Gas: Setting up a simple MESA-PD simulation
  Solving Partial Differential Equations
• Tutorial - PDE 1: Solving PDEs with the Jacobi Method
  Implementation of an iterative solver for the solution of a partial differential equation.
• Tutorial - PDE 2: Solving the Heat Equation
  Extending the previous tutorial to be able to solve the heat equation.

Simulations with the Lattice Boltzmann Method

• Tutorial - LBM 1: Basic LBM Simulation
  A full LBM simulation is built.
• Tutorial - LBM 4: Complex Geometry
  A LBM simulation with complex geometries is built.
• Tutorial - LBM 5: Backward-facing step
  A LBM simulation with a backward-facing step is set up.
• Tutorial - LBM 6: Boundary Conditions
  This tutorial deals with the usage of different LBM boundary conditions.

Advanced Topics

GPU

• Tutorial - GPU 1: Game of Life on GPU
  A simple tutorial for Game of Life on GPU

Legacy Code Generation

• Tutorial - Code Generation 1: Explicit Solver for the Heat Equation
  This tutorial shows how to use pystencils to generate waLBerla sweeps from symbolic descriptions.
• Tutorial - Code Generation 2: Lattice Model Generation with lbmpy
  This tutorial demonstrates how to use lbmpy to generate an efficient lattice model for a waLBerla sweep.
• Tutorial - Code Generation 3: Advanced LBM Code Generation
  This tutorial describes how to use lbmpy to generate a full LBM sweep for waLBerla.