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Building Energy Analysis

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3 MATERIALS AND METHODOLOGY
3.0 INTRODUCTION
Energy analysis of buildings helps to simulate the amount of energy used in a building. It is very important as it helps to discover and ascertain new ways of conserving energy and ensuring energy efficiency of building components. Building developers, construction engineers are increasingly interested in creating more energy efficient reason, and for this purpose whole building energy simulation programs are being used to determine strategies that save energy and are cost effective. The most common way available to perform this building energy analysis is to implement building information modelling(BIM).
Building Information Modelling(BIM) consists of a digital representation of physical and functional …show more content…

It is a BIM tool that is capable of generating high quality, precise architectural designs. It is used by many professionals to reduce risk and improve project delivery. Revit is primarily used for designing the 3D model of buildings to be studied. It is a software that integrates conceptual modeling with whole building energy analysis, and allows developers to make important decisions in phases of projects. Ultimately, Revit is used to streamline the engineering design process by using a single model to enhance the communication of design intent before construction begins. A unique feature of this tool is its automated modeling capability that aids in reducing time and effort during designing. An apparent benefit of this tool is the ability to use BIM-based design information and geometry for energy analysis. Also it supports performance based design via integrated energy modeling and analysis …show more content…

Project Phase:
This determines the kind of project being undertaken. It could be a new construction or an already existing building. Setting this parameter aids in the considerations during the energy analysis.
Silver Space Tolerance:
This helps to manage unoccupied spaces. For calculating heating and cooling loads, it is important that all volumes are accounted for and there are no gaps in the analytical model. It causes the interior to be considered exterior, which impacts the heating and cooling loads. Silver space refers to the small space between two walls.

Building Envelope:
This includes:
i. Use Function Parameter: This is the default option and it uses function type parameter of walls, floors and building pads to determine the building elements considered to be part of the building envelope. ii. Identify Exterior Elements: Uses a combination of ray-casting and flood fill algorithms in order to identify the building elements that are exposed to the outside of the building, the building

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