Precomputed Radiative Heat Transport for Efficient Thermal Simulation

dc.contributor.authorFreude, Christianen_US
dc.contributor.authorHahn, Daviden_US
dc.contributor.authorRist, Florianen_US
dc.contributor.authorLipp, Lukasen_US
dc.contributor.authorWimmer, Michaelen_US
dc.contributor.editorChaine, Raphaëlleen_US
dc.contributor.editorDeng, Zhigangen_US
dc.contributor.editorKim, Min H.en_US
dc.date.accessioned2023-10-09T07:34:59Z
dc.date.available2023-10-09T07:34:59Z
dc.date.issued2023
dc.description.abstractArchitectural design and urban planning are complex design tasks. Predicting the thermal impact of design choices at interactive rates enhances the ability of designers to improve energy efficiency and avoid problematic heat islands while maintaining design quality. We show how to use and adapt methods from computer graphics to efficiently simulate heat transfer via thermal radiation, thereby improving user guidance in the early design phase of large-scale construction projects and helping to increase energy efficiency and outdoor comfort. Our method combines a hardware-accelerated photon tracing approach with a carefully selected finite element discretization, inspired by precomputed radiance transfer. This combination allows us to precompute a radiative transport operator, which we then use to rapidly solve either steady-state or transient heat transport throughout the entire scene. Our formulation integrates time-dependent solar irradiation data without requiring changes in the transport operator, allowing us to quickly analyze many different scenarios such as common weather patterns, monthly or yearly averages, or transient simulations spanning multiple days or weeks. We show how our approach can be used for interactive design workflows such as city planning via fast feedback in the early design phase.en_US
dc.description.number7
dc.description.sectionheadersVolumetric Reconstruction
dc.description.seriesinformationComputer Graphics Forum
dc.description.volume42
dc.identifier.doi10.1111/cgf.14957
dc.identifier.issn1467-8659
dc.identifier.pages14 pages
dc.identifier.urihttps://doi.org/10.1111/cgf.14957
dc.identifier.urihttps://diglib.eg.org:443/handle/10.1111/cgf14957
dc.publisherThe Eurographics Association and John Wiley & Sons Ltd.en_US
dc.subjectCCS Concepts: Computing methodologies -> Ray tracing; Physical simulation; Applied computing -> Physics; Computer-aided design;
dc.subjectComputing methodologies
dc.subjectRay tracing
dc.subjectPhysical simulation
dc.subjectApplied computing
dc.subjectPhysics
dc.subjectComputer
dc.subjectaided design
dc.titlePrecomputed Radiative Heat Transport for Efficient Thermal Simulationen_US
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