Progetto SIMEA - Automatica - Università degli Studi di Padova

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SIMEA Stato dell’arte energetica degli edifici 1.3.2. Building Design Advisor 88 Doc.No 20100610.SIMEA.MR.03 Versione 1 Software environment that supports the integration of multiple building models and databases used by analysis and visualization tools, through a single, object-based representation of building components and systems. BDA (Building Design Advisor) acts as a data manager and process controller, allowing building designers to benefit from the capabilities of multiple analysis and visualization tools throughout the building design process. BDA is implemented as a Windows-based application. The current version includes links to a simplified Daylighting Computation Module (DCM), a simplified Electric lighting Computation Module (ECM), and the DOE-2.1E Building Energy Simulation software. 1.3.2.1. Expertise Required Knowledge of Windows applications. 1.3.2.2. Users More than 800. 1.3.2.3. Audience Architects and engineers, in early design phases. 1.3.2.4. Input Graphic entry of basic building geometry and space arrangements. Default descriptive and operational characteristics can be edited by user. 1.3.2.5. Output User-selected output parameters displayed in graphic form, including 2-D and 3-D distributions. 1.3.2.6. Computer Platform PC-compatible, Windows 95/98/NT/2000, 120 megabytes of hard disk space. 1.3.2.7. Programming Language C++ 1.3.2.8. Strengths Allows comparison of multiple design solutions with respect to multiple descriptive and performance parameters. Allows use of sophisticated analysis tools from the early, schematic phases of building design. Does not require user to have in-depth knowledge to use linked tools for energy, daylighting, etc. 1.3.2.9. Weaknesses Cannot model sloping roofs and complex 3-D geometry. The current version provides a limited database of options for building components and systems but a separate tool is available upon request to define custom components.
SIMEA Stato dell’arte energetica degli edifici 1.3.3. flixo 89 Doc.No 20100610.SIMEA.MR.03 Versione 1 flixo produces thermal-hygro analyses of the component and facade cross sections, and it also calculates frame U-values, Psi-values etc. flixo can detect thermal bridges in the planning stage that then can be eliminated through design changes. Consequently, building failures can be prevented and heating energy can also be saved. A further use of flixo is relevant to hygro-analysis, with which, for example, temperature minima on the internal surfaces of a cross-section can be determined in order to avoid the formation of condensed water or mildew. flixo analyzes two-dimensional component nodes based on free forms for steady state boundary conditions using the finite element method. 1.3.3.1. Validation/Testing The software is validated and conforms to both two-dimensional cases of ISO 10211:2007, Annex A. The test cases are available on http://www.flixo.com. The software is validated conform the ten cases of ISO 10077:2003, Annex D. The test cases are available on http://www.flixo.com. 1.3.3.2. Expertise Required A basic understanding of heat transfer and material properties is helpful. 1.3.3.3. Users More than 1000 users in various countries. 1.3.3.4. Audience Building product developers, designers, researchers and engineers. 1.3.3.5. Input Built-in graphic editor with CAD functionality for defining the geometry, materials and boundary conditions. CAD-data import using DXF and SVG-formats. Component databases and more than 1000 material entries from different standards. Several wizards for defining air cavities according to EN ISO 10077-2, boundary conditions according to EN ISO 10077-2, glazings, screws according to EN 13947 etc. 1.3.3.6. Output Predefined and fully configurable reports using document templates speeds up the analysis process. Various results like: isotherms and temperature colour images of any building detail for qualitative thermal assessment and optimization, temperatures at freely determined design points, heat flux density at freely determined design points, minimum and maximum surface temperatures at freely determined design boundaries and critical room humidity for the assessment of possible mildew formation and condensation problems, heat flow at freely determined boundary lines, thermal transmission coefficients for quantifying thermal bridging effects 'U-value' and the length-related 'psi-value', frame U-value according to EN ISO 10077-2, Psi edge values according to 10077-2, Psi joint values according to EN 13947, U joint value according to EN 13947. 1.3.3.7. Computer Platform Windows 2000/XP/Vista
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Progetto SIMEA - Automatica - Università degli Studi di Padova

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