Simulation of Dam Break Flow Using Quasi-Molecular Modelling

Authors

  • Sitthichai KULSRI CX-KURUE & Computational Science Graduate Program, School of Science, Walailak University, Nakhon Si Thammarat 80161
  • Mullica JAROENSUTASINEE CX-KURUE & Computational Science Graduate Program, School of Science, Walailak University, Nakhon Si Thammarat 80161
  • Krisanadej JAROENSUTASINEE CX-KURUE & Computational Science Graduate Program, School of Science, Walailak University, Nakhon Si Thammarat 80161

Keywords:

Quasi-molecular modelling, particle modelling, molecular aggregate approach, dam break flow, dam collapsing

Abstract

We developed a new method based on quasi-molecular modelling to simulate dam break flow. Each quasi-molecule was a group of particles that interacted in a fashion entirely analogous to classical Newtonian molecular interactions. The tank had a base length of 58.4 cm. A water column with a base length of 14.6 cm and a height of 29.2 cm was initially supported on the right side by a vertical plate drawn up rapidly at time t = 0.0 s. The water fell under the influence of gravity acting vertically downwards. The numerical results were validated by quantitative comparison with a previous study. The predicted height and leading edge of the water column corresponded very well with experimental measurements from a previous study. Therefore, our new method based on quasi-molecular modelling showed its ability to adequately simulate a free surface problem.

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Published

2011-11-15

How to Cite

KULSRI, S., JAROENSUTASINEE, M., & JAROENSUTASINEE, K. (2011). Simulation of Dam Break Flow Using Quasi-Molecular Modelling. Walailak Journal of Science and Technology (WJST), 4(1), 83–94. Retrieved from https://wjst.wu.ac.th/index.php/wjst/article/view/127

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