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Shen Q, Scott D

A web-based online postgraduate programme in project management

Abstract: The Department of Building and Real Estate of the Hong Kong Polytechnic University has recently developed and implemented a web-based online programme in project management. This programme meets the needs of professionals in the construction industry who wish to acquire new skills and insights as part of their continuing professional development without leaving their place of work for extended and/or repetitive periods. It allows such personnel to learn at their own pace in their own place, with faceto-face supporting workshops. Whereas academic staff members were responsible for the contents of subjects in the programme, a development team was formed to support them with the collection of content material, the development and transformation of the actual content, and instructional design advice on learning in the web-based environment, etc. This paper presents the experience of the team who has pursued the development of the programme into the realms of web-based distance learning. It describes the programme that has been developed, its successes, lessons learnt, and the overall theology that was developed for web-based learning for students of the programme. The opportunities for new methods of teaching and ways of presenting complex ideas are displayed. The use of technology to allow the introduction and innovative use of case studies and continuous monitoring of each student's performance are demonstrated.

Keywords: web-based, teaching and learning, master programme, projectmanagement

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Full text: content.pdf (822,519 bytes) (available to registered users only)

Series: itaec:2004 (browse)
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V. Bazjanac

Implementation of semi-automated energy performance simulation: building geometry

Abstract: The methodology for semi-automatic building energy performance (BEP) simulation eliminates arbitrary decisions from the simulation process. Based on the use of IFC-based BIM, its key feature is the automatic transformation of data from their original source and formatting to what is needed in BEP simulation, per unambiguous data transformation rules that cannot be manually manipulated; it results in semi-automatic generation of input for simulation. When implemented, the methodology reduces preparation of simulation input for a building from days, weeks or months to minutes, eliminates human error, and makes simulation preparation virtually free of cost and resource consumption. GST/IDF Generator tool semi-automatically transforms building geometry properly defined in IFC format into ready-to-execute building geometry defined in input format for “whole building” BEP simulation tools like EnergyPlus. The tool’s performance was publicly demonstrated live in the OGC AECOO-1 Testbed in March and May 2009.

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Full text: content.pdf (1,232,937 bytes) (available to registered users only)

Series: w78:2009 (browse)
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Vladimir Bazjanac, Arto Kiviniemi

Reduction, simplification, translation and interpretation in the exchange of model data

Abstract: A major purpose of Building Information Models (BIM) is to serve as a comprehensive repository of data that are retrievable by multiple software applications which participate in the same AECO industry project. Data placed in a BIM by one software application are retrieved and used by other applications. Retrieved data are at times not useable by the recipient application in exactly the same form as received; in such cases the received data are ma-nipulated and/or transformed before they can be used. This paper provides an overview of issues that arise when data transformation is necessary for “downstream” applica-tions that use data authored by model based CAD and/or other interoperable software. These include manual and semi-manual data transformation, as well as rules for data set reduction and simplification, and rules for data translation and interpretation. The rules can be imbedded in data model views and middleware to become part of a seamless proc-ess of data exchange and sharing.

Keywords: buildings, data modeling, BIM, data transformation, data reduction, data, simplification, data transla-tion, data interpretation, rules of transformation

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Full text: content.pdf (204,384 bytes) (available to registered users only)

Series: w78:2007 (browse)
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Vladimir Bazjanac

IFC BIM-BASED METHODOLOGY FOR SEMI-AUTOMATED BUILDING ENERGY PERFORMANCE SIMULATION

Abstract: Building energy performance (BEP) simulation is still rarely used in building design, commissioning and operations. The process is too costly and too labor intensive, and it takes too long to deliver results. Its quantitative results are not reproducible due to arbitrary decisions and assumptions made in simulation model definition, and can be trusted only under special circumstances.A methodology to semi-automate BEP simulation preparation and execution makes this process much more effective. It incorporates principles of information science and aims to eliminate inappropriate human intervention that results in subjective and arbitrary decisions. This is achieved by automating every part of the BEP modeling and simulation process that can be automated, by relying on data from original sources, and by making any necessary data transformation rule-based and automated.This paper describes the new methodology and its relationship to IFC-based BIM and software interoperability. It identifies five steps that are critical to its implementation, and shows what part of the methodology can be applied today. The paper concludes with a discussion of application to simulation with EnergyPlus, and describes data transformation rules embedded in the new Geometry Simplification Tool (GST).

Keywords: Simulation, simulation input, IFC-based BIM, interoperable software, data transformation, rules, methodology, semi-automated process

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Full text: content.pdf (71,296 bytes) (available to registered users only)

Series: w78:2008 (browse)
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Y. Qu & M.A. Schnabel

Drawing Architecture using Manga Techniques

Abstract: Manga is a type of stylised bitonal drawings pleasing in terms of screen variety and tidy lines. In this paper, we present a method to draw architecture, spatial compositions and their details, including colours, textures, and tones, using manga drawing techniques. Given a colour image, such as photography, or drawing, our method finds the optimal solution for screening during the bi-tonal transformation, as well as a set of ideally abstracted line drawings. This offers a novel rendering appearance for the communication of architectural design. In our results we demonstrate successfully that our method generates manga-like drawings from an architectural image that preserve architectural key-elements, such as surface or material properties.

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Full text: content.pdf (13,850,406 bytes) (available to registered users only)

Series: w78:2009 (browse)
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