Bridges wash out simulation during tsunami by a stabilized ISPH method

Yoshiya Miyagawa, Mitsuteru Asai, Nur Ain Binti Idris

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

Abstract

In 2011, the huge tsunami caused by the great east Japan earthquake devastated many infrastructures in pacific coast of north eastern Japan. Particularly, collapse of bridges caused a traffic disorder and these collapse behaviors led to delay of recovery after the disaster. In this study, the bridge wash away accident is selected as a target issue, and it is represented in order to investigate the criteria and its mechanism by a numerical simulation. For this purpose, Incompressible Smoothed Particle Hydrodynamics (ISPH) Method, which is one of the pure mesh free methods, is utilized for the rigid body motion simulation. In this study, rigid body motion is introduced for the fluid-rigid interaction behavior during bridge wash away simulation. In the numerical analysis, the upper bridge structure is washed out by receiving an impact fluid force. The validation tests in two scales showed good agreement with experimental test and the real accident on the great east Japan earthquake tsunami.

Original languageEnglish
Title of host publicationProceedings of the 4th International Conference on Particle-Based Methods - Fundamentals and Applications, PARTICLES 2015
EditorsEugenio Onate, D.R.J. Owen, T. Zohdi, M. Bischoff, P. Wriggers
PublisherInternational Center for Numerical Methods in Engineering
Pages403-409
Number of pages7
ISBN (Electronic)9788494424472
Publication statusPublished - 2015
Event4th International Conference on Particle-Based Methods, PARTICLES 2015 - Barcelona, Spain
Duration: Sep 28 2015Sep 30 2015

Publication series

NameProceedings of the 4th International Conference on Particle-Based Methods - Fundamentals and Applications, PARTICLES 2015

Other

Other4th International Conference on Particle-Based Methods, PARTICLES 2015
Country/TerritorySpain
CityBarcelona
Period9/28/159/30/15

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Fingerprint

Dive into the research topics of 'Bridges wash out simulation during tsunami by a stabilized ISPH method'. Together they form a unique fingerprint.

Cite this