Chapter
Apr 26, 2012
Speed Up Discrete Element Simulation of Asphalt Mixtures with User-Written C++ Codes
Publication: Airfield and Highway Pavements: Efficient Pavements Supporting Transportation's Future
Abstract
Compared with an embedded programming language "FISH" within the Particle Flow Code (PFC), the user-written C++ code is an optional feature in the PFC. This optional feature is an advanced application and can improve simulation speeds. In this paper, the user-written C++ codes for two and three dimensional models were developed. The discrete element simulation of asphalt mixtures were conducted with user-written C++ codes along with FISH programs. The simulation results from the two methods were compared. It was found that the user-written C++ program can speed up discrete element simulation, where the speed ratios (C++/FISH) are from 2.34 to 4.95 and the averaged value is 3.74.
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© 2008 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Ph.D. Student and Research Assistant, Michigan Technological University, Department of Civil and Environmental Engineering, Houghton, Michigan 49931. E-mail: [email protected]
Tomasini Assistant Professor of Transportation Engineering and Director of the Transportation Materials Research Center, Department of Civil and Environmental Engineering, Michigan Technological University, Houghton, Michigan 49931. E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.