Radiosity and Global Illumination
Radiosity and Global Illumination
Recent advances in direct methods for solving unsymmetric sparse systems of linear equations
ACM Transactions on Mathematical Software (TOMS)
The universal projection for computing data carried on the hemisphere
Computer-Aided Design
Computer Modelling for Sustainable Urban Design: Physical Principles, Methods and Applications
Computer Modelling for Sustainable Urban Design: Physical Principles, Methods and Applications
A general rule for disk and hemisphere partition into equal-area cells
Computational Geometry: Theory and Applications
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We examine different techniques able to enhance the efficiency of urban simulations. Condensation techniques like superelements - well known in the finite element community - are good candidates to improve the heat transfers simulations inside the city. Three typical situations are examined. In the first one, concerned with the interaction of inside and outside scenes through windows, the two problems can be analyzed successively. The second situation presents a weak coupling of radiation between built settings. The last one refers to the full radiative budget of a city; it is used to illustrate the possibility of applying superelement techniques to the linear part of the problem. The conclusion is that these techniques are able to help enhancing the efficiency of the simulations.