A heuristic method to minimise the chattering problem in dynamic mathematical two-phase flow models

被引：7

作者：

Bonilla, J. ^{[1
]}

Yebra, L. J. ^{[1
]}

Dormido, S. ^{[2
]}

机构：

[1] PSA CIEMAT, Tabernas 04200, Almeria, Spain

[2] Univ Nacl Educ Distancia, Escuela Tecn Super Ingn Informat, Madrid 28040, Spain

来源：

MATHEMATICAL AND COMPUTER MODELLING | 2011年 / 54卷 / 5-6期

关键词：

Chattering; Two-phase flow; Modelling and simulation; Heuristic methods; Zeno phenomenon; Parabolic-trough solar power plant;

D O I：

10.1016/j.mcm.2011.04.026

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper introduces the chattering problem in dynamic mathematical two-phase flow models. The real system object of study is also introduced, the DISS test facility, a parabolic-trough solar power plant using as heat transfer fluid the steam-water mixture. A dynamic model for studying its behaviour was previously developed using Modelica as the modelling language, in this model the chattering problem arises and therefore not allowing to take full advantage of dynamic simulations. The chattering problem increases the computational time needed for simulation and sometimes dynamic simulations do not finish at all. A heuristic method, which minimises the effects of the chattering problem, is discussed and results which reduce the computational time for dynamic simulations are given. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1549 / 1560

页数：12

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