Ryosuke Fujioka, N. Mitsume, Tomonori Yamada, S. Yoshimura
{"title":"HYBRID ANALYSIS OF PEDESTRIAN FLOW BY FINITE DIFFERENCE METHOD AND PARTICLE METHOD","authors":"Ryosuke Fujioka, N. Mitsume, Tomonori Yamada, S. Yoshimura","doi":"10.2208/jscejam.75.2_i_195","DOIUrl":null,"url":null,"abstract":"We develop a hybrid method using the finite difference method (FDM) and the smoothed particle hydrodynamics (SPH) to simulate evacuation of pedestrian. A distribution of potential that corresponds to the shortest path between arbitrary two points is determined by the FDM-based fast marching method. Using the potential distribution a partial differential equation model of pedestrian flow is solved by the SPH. We conduct simulations to discuss qualitative validity of our proposed method.","PeriodicalId":419184,"journal":{"name":"Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM))","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM))","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2208/jscejam.75.2_i_195","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
We develop a hybrid method using the finite difference method (FDM) and the smoothed particle hydrodynamics (SPH) to simulate evacuation of pedestrian. A distribution of potential that corresponds to the shortest path between arbitrary two points is determined by the FDM-based fast marching method. Using the potential distribution a partial differential equation model of pedestrian flow is solved by the SPH. We conduct simulations to discuss qualitative validity of our proposed method.
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