%0 Conference Paper %A Xuan Luo %A Yu-Hang Tang %A Tianzhen Hong %B 2020 Building Performance Analysis Conference and SimBuild co-organized by ASHRAE and IBPSA-USA %D 2020 %G eng %R DOI: 10.20357/B77606 %S 2020 Building Performance Analysis Conference and SimBuild co-organized by ASHRAE and IBPSA-USA %T Efficient Computation Of Surface Sunlit Fractions In Urban-Scale Building Modeling Using Ray-Tracing Techniques %8 08/2020