Chapter 13. An Introduction to Computational Fluid Dynamics and Ansys Fluent

13.1 Introduction and Motivation

THE elegant mathematical formulation of the laws governing fluid dynamics has been complete since the late 19th century. In the ensuing half a century, a tremendous amount of progress was made by famous scientists and fluid dynamicists to provide insights, clarity, and understanding about the solutions to the core equation system, which consists of the continuity, momentum, and energy equations, together with other supporting equations such as the equation of state for gases and rate equations for chemical reactions, etc. For example, Ludwig Prandtl (1875–1953) developed the boundary-layer theory, which is most crucial to advance the ...

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