Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory
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Lawrence Berkeley;National Laboratory;Natália Queiroz;Luís Fernandes;Fernando Oscar;Ruttkay Pereira
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作者：
Lawrence Berkeley;National Laboratory;Natália Queiroz;Luís Fernandes;Fernando Oscar;Ruttkay Pereira
计算机建模和仿真对于预测建筑解决方案的性能至关重要。当集成到设计过程中时，它们被称为基于性能的设计。在设计过程中，需要快速的分析周期。然而，由于计算处理和时间要求，日光照明模拟具有挑战性。本文介绍了一个假设的商业建筑位于佛罗里达的迈阿密的快速日光模拟方法，两相，三相和路径跟踪的比较研究。五种类型的静态玻璃和一个电致变色玻璃进行了测试，与六个参数模型的半透明水平遮光装置。Daysim用作参考。两阶段方法产生的结果与参考结果相似，但静态立面的处理时间更快。对于动态立面，使用经过测试的接口的路径跟踪方法可以实现更快的模拟和参数变化。然而，三相法产生了较低的平均误差。
Computer modeling and simulation are essential for predicting architectural solutions performance. When integrated into the design process; they are known as performance-based design. During the design process, fast analytical cycles are required. However, daylighting simulations are challenging due to computational processing and time requirements. This paper presents a comparative study of fast daylight simulation methods, two-phase, three-phase and path tracing, in a hypothetical commercial building located in Miami, Florida. Five types of static glass and one electrochromic glass were tested with six parametric models of a translucent horizontal shading device. Daysim was used as reference. The two-phase method produced results similar to the reference results with faster processing times for static facades. For dynamic facades, the path tracing method with the tested interface enabled faster simulations and parametric variations. However, the three-phase method yielded a lower average error.