Fundamental study of fluid-soil-seepage flow coupled analysis by a particle method based on the mixed flow theory

Toshihiro Morimoto, Mitsuteru Asai, Kiyonobu Kasama

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

Damage mechanisms of port structures such as breakwater and seawall have been studied in the past, and there are mainly three causes; I. horizontal force due to the water level difference between the front and rear breakwater, II. soil scour and erosion behind the seawall during overflow and III. piping destruction associated with the decline of the bearing capacity by seepage flow. In this study, a particle simulation tool based on the SPH has been developed to solve the different soil damage mechanisms; soil sour and seepage flow problem. These simulations should treat the Fluid-Soil and Fluid-Seepage flow interactions, and the particle simulation tool has been modified and improved to solve each interaction problem. For the Fluid-Soil interactions in the soil scour problem, soil is modeled by a Bingham flow model which is one of the non-Newtonian fluids, and the Mohr-Coulomb criterion is applied in the plastic yield judgment. On the other hand, in the seepage flow analysis, surface flow and seepage flow are described by the same government equation "Darcy-Brinkman equation", and simultaneous analysis is carried out. These different simulations have been implemented by modifying the standard SPH method.

本文言語英語
ホスト出版物のタイトル11th World Congress on Computational Mechanics, WCCM 2014, 5th European Conference on Computational Mechanics, ECCM 2014 and 6th European Conference on Computational Fluid Dynamics, ECFD 2014
編集者Antonio Huerta, Eugenio Onate, Xavier Oliver
出版社International Center for Numerical Methods in Engineering
ページ4039-4046
ページ数8
ISBN(電子版)9788494284472
出版ステータス出版済み - 7 1 2014
イベントJoint 11th World Congress on Computational Mechanics, WCCM 2014, the 5th European Conference on Computational Mechanics, ECCM 2014 and the 6th European Conference on Computational Fluid Dynamics, ECFD 2014 - Barcelona, スペイン
継続期間: 7 20 20147 25 2014

出版物シリーズ

名前11th World Congress on Computational Mechanics, WCCM 2014, 5th European Conference on Computational Mechanics, ECCM 2014 and 6th European Conference on Computational Fluid Dynamics, ECFD 2014

その他

その他Joint 11th World Congress on Computational Mechanics, WCCM 2014, the 5th European Conference on Computational Mechanics, ECCM 2014 and the 6th European Conference on Computational Fluid Dynamics, ECFD 2014
国/地域スペイン
CityBarcelona
Period7/20/147/25/14

All Science Journal Classification (ASJC) codes

  • 材料力学
  • 計算理論と計算数学
  • コンピュータ サイエンスの応用
  • 機械工学

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