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Large-Scale Simulations of Turbulent Flows using Lattice Boltzmann Methods on Heterogeneous High Performance Computers

1. 연구 배경 및 필요성 난류 흐름은 다중 스케일 현상과 복잡한 경계 조건 때문에 전통적인 CFD 방법으로는 계산 비용이 급증한다. GPU 기반 슈퍼컴퓨터는 메모리 대역폭과 연산량에서 CPU‑중심 시스템을 크게 앞서며, LBM은 구조가 단순하고 로컬 연산이 많아 GPU에 최적화하기 용이하다. 2. 핵심 기여 새로운 LBM 스키마 : 벽‑모델링 LES( Large‑Eddy Simulation)를 복합 형상에 적용하기 위한 스키마를 설계하였다. 이는 기존 LBM‑LES와 달리 경계층에서의 스케일 분리를 명시적으로 처리하고, wall‑

Large-Scale Simulations of Turbulent Flows using Lattice Boltzmann Methods on Heterogeneous High Performance Computers

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