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Flux-corrected transport: principles, algorithms, and applications

机译:通量校正的传输:原理,算法和应用

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摘要

Addressing students and researchers as well as CFD practitioners, this book describes the state of the art in the development of high-resolution schemes based on the Flux-Corrected Transport (FCT) paradigm. Intended for readers who have a solid background in Computational Fluid Dynamics, the book begins with historical notes by J.P. Boris and D.L. Book. Review articles that follow describe recent advances in the design of FCT algorithms as well as various algorithmic aspects. The topics addressed in the book and its main highlights include: the derivation and analysis of classical FCT schemes with special emphasis on the underlying physical and mathematical constraints; flux limiting for hyperbolic systems; generalization of FCT to implicit time-stepping and finite element discretizations on unstructured meshes and its role as a subgrid scale model for Monotonically Integrated Large Eddy Simulation (MILES) of turbulent flows. The proposed enhancements of the FCT methodology also comprise the prelimiting and 'failsafe' adjustment of antidiffusive fluxes, the use of characteristic variables, and iterative flux correction. The cause and cure of detrimental clipping/terracing effects are discussed. Many numerical examples are presented for academic test problems and large-scale applications alike.
机译:本书针对学生和研究人员以及CFD从业人员,描述了基于通量校正运输(FCT)范例的高分辨率方案开发的最新技术。该书面向具有扎实的计算流体动力学背景的读者,并以J.P. Boris和D.L.书。以下评论文章介绍了FCT算法设计的最新进展以及各种算法方面。本书中涉及的主题及其主要亮点包括:经典FCT方案的推导和分析,特别强调潜在的物理和数学约束;双曲系统的通量限制; FCT推广到非结构化网格上的隐式时间步长和有限元离散化,以及作为湍流单调积分大涡模拟(MILES)的子网格比例模型的作用。 FCT方法的拟议增强功能还包括抗扩散通量的限制和“故障安全”调整,特性变量的使用以及迭代通量校正。讨论了有害的削波/梯形效应的原因和解决方法。对于学术测试问题和大规模应用,都提供了许多数值示例。

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