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Published in:
2017 | OriginalPaper | Chapter
2. Introduction to Numerical Solution of Partial Differential Equations
Author : S. Bulent Biner
Published in: Programming Phase-Field Modeling
Publisher: Springer International Publishing
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Abstract
Many of the fundamental theories of physics and engineering, including the phase-field models, are expressed by means of systems of partial differential equations, PDEs. A PDE is an equation which contains partial derivatives, such asin which u is regarded as function of length x and time t. There is no real unified theory for PDEs. They exhibit their own characteristics to express the underlying physical phenomena as accurately as possible. Since PDEs can be hardly solved analytically, their solutions relay on the numerical approaches. A brief of summary of the numerical techniques involving their spatial and temporal discretization is given below. These techniques will be applied to solving the equations of the various phase-field models throughout the book and their detailed descriptions and implementations are given in relevant chapters. There are numerous textbooks also available on the subjects, of which some of them are listed in the references.
$$ \frac{\partial u}{\partial t}=\frac{\partial^2 u}{\partial {x}^2} $$