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논문 기본 정보

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(Pusan National University) (Pusan National University) (Pusan National University) (Pusan National University) (Pusan National University) (Pusan National University)
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한국전산유체공학회 한국전산유체공학회 학술대회논문집 한국전산유체공학회 2022년도 추계 국제학술대회 논문집
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    초록·키워드

    The collapse of a bubble under an acoustic forcing presents a further complexity and plays a crucial role in the collapse intensity. In this study, a fully compressible multiphase model considering phase changes and non-condensable gas effects [1-2] is used to study the dynamic of microbubbles under an ultrasound field and their collapse intensity near a surface of the urinary stone. A high-resolution interface capturing method is applied to capture the large deformation of bubble interfaces during the collapse. Thermal and phase change models are included to accurately predict the bubble rebound stage as well as the bubble collapse intensity. To model ultrasound fields, a sinusoidally time-varying pressure is applied at boundary conditions. First, the numerical model is validated for an acoustically generated ca ... 전체 초록 보기

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