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Optimization of a window frame by BEM and genetic algorithm. (English) Zbl 1051.80004

This paper finds an optimal design of a plastic window frame with air chambers and steel stiffeners. It is shown that the optimal design propose can reduce the heat losses by 30% from a window frame. This can be achieved by decreasing the length of the horizontal arm of the stiffener and its length, while increasing the thickness of the vertical arms and changing their inclination and shape.
Reviewer: D. Lesnic (Leeds)

MSC:

80A20 Heat and mass transfer, heat flow (MSC2010)
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[1] DOI: 10.1016/0045-7825(93)90130-P · Zbl 0766.65091
[2] Burczyn’ski, T., Beluch, W., Długosz, A., Kuś, W., Nowakowski, M. and Orantek, P. (2002), ”Evolutionary computation in optimization and identification”, Computer Assisted Mechanics and Engineering Sciences, Vol. 9, pp. 3–20. · Zbl 1012.74055
[3] DOI: 10.1016/S0955-7997(97)00014-3
[4] Polish Standard PN-82/B-02402 Heating; Temperature for Heated Rooms in Building.
[5] Polish Standard PN-82/B-02403 Heating; Exterior Calculated Temperatures.
[6] Polish Standard PN-EN ISO 6946 Building Components and Building Elements. Heat Resistance and Thermal Transmittance – Calculation Methods.
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