Research On Evaluation And Optimization Strategy Of Non-linear Architectural Design Based On Rainwater Harvesting Simulation

In recent years the design and construction of non-linear architecture shows characteristic of rapid growth and powerful influence at home and abroad. However, many properties of this kind of architecture remain to be studied, the rainwater harvesting performance is one of them. Research takes nonlinear building roof rainwater harvesting simulation as the breakthrough point and explores how to complete harvesting performance evaluation based on simulation results, so as to realize the nonlinear architectural design optimization in the initial design period. Research expounds the main factors influencing the harvesting performance of architecture, analyses the key factor of rainwater design, through which it gets the reasons of the non-linear architecture harvesting problems. It takes study as performance drive optimization design and put forward the necessity of the rainwater harvesting simulation at the beginning of design.In order to realize the harvesting performance simulation of non-linear architecture, the study selects the parametric design platform to redevelop simulation program. The research applies the principle of particle system to realize the construction of roof rainwater harvesting path simulation, and applies DEMON algorithm to realize flow distribution simulation, through the study of basic principle and method to calculate the motion regularity of rainwater. Simulation results show that the program can achieve harvesting performance simulation of the nonlinear building accurately. The program can provide technical support for the later harvesting performance evaluation. As to the evaluation method for harvesting performance of non-linear architecture,the study summarys the existing research and obtains the evaluation type related to harvesting performance. According to main parameters which influence the different evaluation types, the study obtains the influential factor and the evaluation method of harvesting performance. With the application of simulation tools and evaluation method of harvesting performance, the research discusses the optimization design method of nonlinear building and the influence between harvesting performance evaluation factors and design parameters, obtains optimal design strategy based on harvesting performance.Research innovatively proposes the simulation, evaluation and optimization strategy of the nonlinear building harvesting performance from the angle of the harvesting performance of buildings. This research can provide design guidance and technical support for the optimization design of nonlinear architectural roofing or structure and harvesting facilities. From the point of architectural harvesting performance, the reasearch would realize the close combination of architectural design and technology.