Analysis of the accuracy of the sky component calculation in daylighting simulation programs
作者： Ignacio Acosta , Carmen Muñoz , Paula Esquivias , David Moreno , Jaime Navarro
DOI: 10.1016/J.SOLENER.2015.06.022
关键词: Simulation 、 Sky 、 Component (UML) 、 Overcast sky 、 Daylight 、 Computer science 、 Daylighting 、 Test case 、 Approximation error
摘要: Abstract The main aim of this article is to analyze the precision several lighting simulation programs regularly used in daylighting studies for architecture, following methodology established CIE test cases document. 3DS Max Design 2014, Daylight Visualizer 2.6, DaySim 3.1b, Builder 3.0, Dialux 4.8, Ecotect Analysis 2011, Lightscape 3.2 and Relux Pro are analyzed. In order establish each program, sky component measured at different points study on floor a room, taking variable sizes positions openings into consideration. results contrasted with analytical calculation using Tregenza algorithms by CIE, considering models Traditional Standard Overcast Sky. Following analysis cases, it concluded that 2014 2.6 present maximum relative difference from model close 10%, while 4.8 show margin error lower than 30% all case studies. 2011 inadequate results.
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