Gravity current flow past a subsea pipe above a scour based on computational fluiddynamics. ... For comparison, gravity current flow over pipe above a smooth bed also calculated, this configuration ... conventionally employed to consider the scour effect from an ideal approach.
The approach of this study were adopted for the analysis; visualization by CFD(computational fluiddynamics ... The numerical results of lift-coefficient and drag-coefficient were 5-20% less than those of the tests ... The action point of dynamic pressure as a function of the attack angle was close to the rear area of
오하이오 중부에서 풍속이 0.5m.s-1인 경우는 매우 드물었으며, 5년 평균 풍속은 약 2.5 m.s-1인 것으로 나타났다. ... CFD model은 서쪽에서와 동쪽에서 불어오는 바람이 각각 2.1 m.s-1와 3.5 m.s-1이상일 때 이 연동형 온실은 적정한 자연 환기량을 취할 수 있다고 예측하였다.
To simulate 3D two-phase flow, open source computational fluiddynamics libraries, called OpenFOAM, were ... The wave run-up in the circular column surface was compared according to the slope of the incident wave ... Accurate prediction of wave-structure interactions is important in the safety and design cost effectiveness
For more effective evaluation, computational fluiddynamics (CFD) and measurements of MLSS (Mixed Liquor ... problems have been occurred such as the production of scums and sludge settling. ... essential to eliminate scum and sludge settling problems and to save input energy.
canoe on a free surface was calculated using STAR-CCM+. ... 카누의 유동해석은 상용프로그램인 STAR-CCM+를 이용하여 자유수면의 파형을 살펴보고 수치해석 결과를 통하여 저항성능을 확인하였다. ... In this study, we selected CFRP to construct a canoe hull.
Numerical experiments by using EFDC(Environmental FluidDynamics Code) showed good agreements by comparison ... 월성 연안역의 유속장 재현을 위한 해수유동 수치모형 실험은 EFDC(Environmental FluidDynamics Code) 모델을 사용하여 조위 시계열 검증 및 조화분석을 통한 ... 한국방사성폐기물학회 방사성폐기물학회지 Geon-Hyeong Park, Ki-Chul Kim, Byung-Il Min, Jung-Lyul Lee, Kyung-Suk Suh
As a method of computation, the two-step differential Lax-Wendroff method and the characteristic method ... The turbine characteristics, the mass flow rate, the power output and fluid movements at the turbine ... scroll inlet were compared with the experiment data.
When the planting distances were 9×9 cm, 11×11 cm, and 13×13 cm, the quadratic resistance coefficients ... CFX 프로그램에서 필요로 하는 다공성 매체의 특성값 KQ는 재식간격 9×9cm일 때 2.22, 11×11cm일 때 1.81, 13×13cm일 때 1.07이었으며, 이 값을 CFX ... of chrysanthemum in greenhouse.
In this paper, ship performance prediction solver was developed using open source computational fluid ... dynamics (CFD) libraries. ... The mass- and momentum-conservation equations and turbulent model with a wall function for the turbulent
A commercial Computational FluidDynamics (CFD) software “Star-CCM+” has been used for the current simulations ... In this paper, the wave run-up height and depression depth around air-water interface-piercing circular ... The Reynolds Averaged Navier-Stokes equations (RANS) and continuity equations are solved with Reynolds
이틀 못먹고 sorethroat: culture, fluid, glucose 검사 - adrenal crisis precipitating(침전) factor: emotional stress ... , compute task만 하게 하지 않는다, flexible하게 일할 수 short time 아님, safety razor(1회용 면도기) 안됨, 3일마다(72hr) 교환, upper ... food or fluids, extreme temperatures, (facial exercise twice a day -> 무지 신경통 심하므로 안면 운동 하면 안됨), 부드러운
This paper presents a computational fluiddynamics (CFD) analysis to investiagate the effect of expansion ... A commercial CFD code, Viper::Blast, was used to model the blast waves in a protective tunnel with a ... chamber, including the chamber lengths of 6.1 m to 12.1 m, widths of 10.7 m to 97 m, length to width
solid-like state to a dynamic fluid-like state. ... solid-like state to a dynamic fluid-like state. ... This process occurs when a fluid (liquid or gas) is passed up through the granular material. ▶ Fixed
, necessitating extensive computations across ENC cells and impacting real-time performance. ... Implementation of this method resulted in a notable sevenfold reduction in computation time compared ... By introducing a dynamic programming-based approach, we have streamlined the detection process while
Therefore, this study aims to develop a computational model for a U-tube type anti-roll tank and to validate ... To develop a computational model, the mesh dependency test was carried out. ... In particular, to validate the developed computational model, the height of the free surface in the tank
성능 평가를 위해 전산유체역학(Computational FluidDynamics)을 이용한 수치해석을 수행하였으며, 주요 부가 물인 빌지킬과 선저킬의 조합과 치수 변경에 따른 횡 ... The roll period and decay coefficient were derived by the variations in the combination and dimensions ... The resistance of the hull with the appendages was higher than that of the bare hull due owing to the changes
In this study, the ship resistance was numerically simulated using computational fluiddynamics (CFD) ... 해양환경안전학회 해양환경안전학회지 Hyunsuk Park, Dae-Won Seo ... under various bow and stern trim conditions.
We used the two-level dynamic condensation scheme for the analysis and sensitivity computation part in ... The recently proposed two-level condensation scheme(TLCS) is very promising for the construction of reduced ... system and for an accurate and efficient analysis concerned about eigenvalue and dynamic problems.