1250078822 (PHC) by Adrian Bejan

Author:Adrian Bejan
Language: eng
Format: azw3, epub, mobi
Publisher: St. Martin's Press
Published: 2016-05-24T06:00:00+00:00

The usual method for the search of building architectures that offer faster evacuation during emergency is based on voluminous numerical simulations of randomly moving pedestrians who pursue the same goal, which is to escape. The search is faster and more economical when it is based on the fundamental relationship between global flow access and organization—the flow system with a configuration that morphs freely. The practical value of this law-based approach to urbanism is that more complex configurations can be designed for efficient evacuation by incorporating fundamental features (building blocks) of the kind illustrated in this chapter.

The punch line is that the natural occurrence of the changing city opens our eyes to the physics of evolution. The city is a flow system with freely changing architecture, many small streets, few large streets and beltways. We the people are the flowing. The morphing design strikes us with natural hierarchy, at every level and in every flow: pedestrian movement, traffic, freight and emergency evacuation. At an even larger scale is the evolving architecture of human movement on the globe during one lifetime. On the flowing and changing design of “growth” we focus in the next chapter.

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