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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

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.

Original languageEnglish
Title of host publication11th 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
EditorsAntonio Huerta, Eugenio Onate, Xavier Oliver
PublisherInternational Center for Numerical Methods in Engineering
Pages4039-4046
Number of pages8
ISBN (Electronic)9788494284472
Publication statusPublished - Jul 1 2014
EventJoint 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, Spain
Duration: Jul 20 2014Jul 25 2014

Publication series

Name11th 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

Other

OtherJoint 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
CountrySpain
CityBarcelona
Period7/20/147/25/14

Fingerprint

Seepage
Soils
Fluids
Scour
Retaining walls
Breakwaters
Port structures
Flow interactions
Surface analysis
Water levels
Bearing capacity
Erosion
Plastics

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Computational Theory and Mathematics
  • Computer Science Applications
  • Mechanical Engineering

Cite this

Morimoto, T., Asai, M., & Kasama, K. (2014). Fundamental study of fluid-soil-seepage flow coupled analysis by a particle method based on the mixed flow theory. In A. Huerta, E. Onate, & X. Oliver (Eds.), 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 (pp. 4039-4046). (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). International Center for Numerical Methods in Engineering.

Fundamental study of fluid-soil-seepage flow coupled analysis by a particle method based on the mixed flow theory. / Morimoto, Toshihiro; Asai, Mitsuteru; Kasama, Kiyonobu.

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. ed. / Antonio Huerta; Eugenio Onate; Xavier Oliver. International Center for Numerical Methods in Engineering, 2014. p. 4039-4046 (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).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Morimoto, T, Asai, M & Kasama, K 2014, Fundamental study of fluid-soil-seepage flow coupled analysis by a particle method based on the mixed flow theory. in A Huerta, E Onate & X Oliver (eds), 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. 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, International Center for Numerical Methods in Engineering, pp. 4039-4046, 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, Spain, 7/20/14.
Morimoto T, Asai M, Kasama K. Fundamental study of fluid-soil-seepage flow coupled analysis by a particle method based on the mixed flow theory. In Huerta A, Onate E, Oliver X, editors, 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. International Center for Numerical Methods in Engineering. 2014. p. 4039-4046. (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).
Morimoto, Toshihiro ; Asai, Mitsuteru ; Kasama, Kiyonobu. / Fundamental study of fluid-soil-seepage flow coupled analysis by a particle method based on the mixed flow theory. 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. editor / Antonio Huerta ; Eugenio Onate ; Xavier Oliver. International Center for Numerical Methods in Engineering, 2014. pp. 4039-4046 (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).
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