DISCRETIZATION TECHNIQUES

机译：分散技术

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In this chapter we have tackled the problem of how to transform a differential equation into a discrete equation that can then be solved by means of numerical modeling. The equations are discretised according to the need of satisfying constraints in accuracy and mostly stability. Every term shows different characteristics and must be dealt with separately. The sections above have shown how to find out if a chosen scheme is stable, and under what conditions. After this, the scheme may be applied to the equation and combined with other schemes to solve more complex equations such as the shallow water equation.

机译：在本章中，我们解决了如何将微分方程转换为离散方程的问题，然后可以通过数值建模对其进行求解。根据在精度和主要是稳定性上满足约束的需要，离散方程式。每个术语显示不同的特征，必须分别处理。以上各节说明了如何找出所选方案是否稳定以及在什么条件下是稳定的。此后，可以将该方案应用于该方程，并与其他方案结合以求解更复杂的方程，例如浅水方程。

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《Assessment of the Fate and Effects of Toxic Agents on Water Resources; NATO Security through Science Series C: Environmental Security》|2005年|143-169|共27页
会议地点 Istanbul(TR)
作者
Georg Umgiesser;
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作者单位

ISMAR-CNR, Venezia, Italy;

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会议组织
原文格式 PDF
正文语种 eng
中图分类水资源开发;
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机译：离散能量，离散定向技术在铁中子输运研究中的应用

DISCRETIZATION TECHNIQUES

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