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Failure simulation of ice beam using a fully Lagrangian particle method 원문보기

International journal of naval architecture and ocean engineering, v.11 no.2, 2019년, pp.639 - 647  

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)

Abstract AI-Helper 아이콘AI-Helper

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...

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제안 방법

  • A series of three-point bending experiment with an ice beam made of fresh water was conducted independently in a cold room at the Korea Maritime and Ocean University as validation of the developed fracture algorithm.
  • The failure of ice was modeled as fracture of elastic by applying a novel FSI model based on the Moving Particle Semi-implicit (MPS) method. The developed numerical algorithm of a fracture was validated by a comparison with the experiments in a cold room for 3-point bending tests with an ice beam. Ice failure was simulated successfully and an acceptable range of error was obtained about 7% compared to the experiments.
  • , 2014, 2016). To validate the developed fracture algorithm, a 3-point bending simulation with an ice beam was performed and the results were compared with the experiments carried out in a cold room. For the application of the FSI model, a dropping water droplet interacting with a cantilever ice beam was simulated with and without the fracture algorithm.

데이터처리

  • To validate the developed fracture algorithm, a series of numerical simulations of a 3-point bending test was performed and compared with experiments.

이론/모형

  • In the calculation procedure, the prediction-correction solution algorithm is introduced for fluid analysis based on the PNU-MPS method (Lee et al., 2011). First, the intermediate velocity is obtained from the viscous, coupling force, and gravity terms explicitly as follows:
  • A realistic numerical simulation technology using a particle-based Fluid-Structure Interaction (FSI) model combined with a fracture algorithm was developed to simulate the fluid-icestructure interaction problems. The failure of ice was modeled as fracture of elastic by applying a novel FSI model based on the Moving Particle Semi-implicit (MPS) method. The developed numerical algorithm of a fracture was validated by a comparison with the experiments in a cold room for 3-point bending tests with an ice beam.
  • In the present study, a realistic numerical simulation technology for predicting the fluid-ice-structure interaction has been newly developed using a particle-based FSI model, which is combined with a fracture algorithm. With respect to the failure of ice, it was modeled as the tensile fracture of elastic material by applying a novel FSI model using the Moving Particle Semi-implicit (MPS) method (Koshizuka and Oka, 1996; Khayyer and Gotoh, 2010; Hwang et al., 2014, 2016). To validate the developed fracture algorithm, a 3-point bending simulation with an ice beam was performed and the results were compared with the experiments carried out in a cold room.
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참고문헌 (35)

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