Abstract
The existing building reconstruction methods exist after three‐dimensional building modeling information is not complete, and the wall insulation performance improvement effect is not obvious. Therefore, a reconstruction method of existing residential buildings based on 3D simulation is proposed. This paper analyzes the present situation of energy consumption of existing residential buildings, analyzes the fuzziness characteristic in the process of testing the thermal performance of existing residential buildings by the method of spatially distributed fusion and feature extraction, uses the fuzzy equilibrium scheduling method to decompose the fuzziness characteristic scale of the thermal performance of the thermal insulation of existing residential buildings, and optimizes the design of the thermal performance of the thermal insulation transformation of existing residential buildings. The 3D simulation software is a 3D modeling tool named 3DS Max. The real‐time simulation software Unity3D engine is used to reconstruct the building scene and complete the reconstruction of existing residential buildings. The experimental results show that the information integrity of the building model reconstructed by 3D simulation technique is nearly 100%, and the insulation performance of the building wall is better.
Highlights
Residential community occupies the largest proportion of land in the urban built-up area, and residential building occupies the highest proportion in the urban building stock. e old urban residential community is formed gradually in the long-term historical development process, and it is the epitome of urban development in each historical period
Judging from the current state of the city, most of the older existing houses are concentrated in the urban central area [1]. ere are some problems in the existing residential communities, such as small scale of urban pattern, high density of population, high proportion of low-income population, obsolete infrastructure, and poor housing quality
The application of information exchange and processing relying on computer technology has been popularized in most industries, among which the manufacturing industry and the electronic industry can be regarded as revolutionary changes, but the impact on the construction industry is still relatively low, the application of computer and digital technology in the construction industry is still immature, and the competition in the construction industry is becoming increasingly fierce
Summary
A large number of unrenovated existing residential communities are experiencing material aging and social decline, causing the decline of the old city as a whole, affecting the development of the whole city. With the development of computer software and hardware, the emergence of Discrete Dynamics in Nature and Society building information model provides a new solution to the above problems It is a revolutionary technology from traditional 2D drawing to 3D design and construction. Reference [7] proposes that, based on the example of public building projects in cold areas, the thermal insulation characteristic parameters of the enclosure structure are tested, and the results show that there is a large gap with the requirements of the current energy-saving standard. Erefore, a building reconstruction method of existing residential community based on a three-dimensional simulation method is proposed This method analyzes the current situation of building energy consumption in the existing residential community and uses the fuzzy equilibrium scheduling method to decompose the fuzzy characteristic scale of the thermal insulation performance of the building wall in the existing residential community under the limit search. Reconstruction of Existing Residential Community Buildings Based on ThreeDimensional Simulation Method
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