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Failure simulation of ice beam using a fully Lagrangian particle method

  • Ren, Di (Dept. of Naval Architecture & Ocean Engineering, Pusan National University (PNU)) ;
  • Park, Jong-Chun (Dept. of Naval Architecture & Ocean Engineering, Pusan National University (PNU)) ;
  • Hwang, Sung-Chul (Offshore Plant Research Division, Korea Research Institute of Ships and Ocean Engineering (KRISO)) ;
  • Jeong, Seong-Yeob (Ship Hydrodynamics Research Group (Ice Model Basin), Korea Research Institute of Ships and Ocean Engineering (KRISO)) ;
  • Kim, Hyun-Soo (Dept. of Naval Architecture & Ocean Engineering, Inha Technical College)
  • Received : 2018.03.07
  • Accepted : 2019.01.11
  • Published : 2019.02.18

Abstract

A realistic numerical simulation technology using a Lagrangian Fluid-Structure Interaction (FSI) model was combined with a fracture algorithm to predict the fluid-ice-structure interaction. The failure of ice was modeled as the tensile fracture of elastic material by applying a novel FSI model based on the Moving Particle Semi-implicit (MPS) method. To verify the developed fracture algorithm, a series of numerical simulations for 3-point bending tests with an ice beam were performed and compared with the experiments carried out in an ice room. For application of the developed FSI model, a dropping water droplet hitting a cantilever ice beam was simulated with and without the fracture algorithm. The simulation showed that the effects of fracture which can occur in the process of a FSI simulation can be studied.

Acknowledgement

Grant : Development of numerical simulator for environmental load on ship and offshore in polar region

Supported by : National Research Foundation of Korea (NRF), KEIT

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