Koji Nagata

An attempt to improve accuracy of higher‐order statistics and spectra in direct numerical simulation of incompressible wall turbulence by using the compact schemes for viscous terms

Hiroki Suzuki, Koji Nagata, Yasuhiko SAKAI et al. · International Journal for Numerical Methods in Fluids · 2013 · 60 citations · Full text

Numerical Analysis, Engineering, Direct Numerical Simulation +20

Hairpin vortices and highly elongated flow structures in a stably stratified shear layer

Tomoaki Watanabe, James J. Riley, Koji Nagata et al. · Journal of Fluid Mechanics · 2019 · 38 citations

Aeroacoustics, Layer Thickness, Unsteady Flow +14

Direct numerical simulation of incompressible turbulent boundary layers and planar jets at high Reynolds numbers initialized with implicit large eddy simulation

Tomoaki Watanabe, Xinxian Zhang, Koji Nagata · Computers & Fluids · 2019 · 35 citations

Numerical Analysis, Engineering, Incompressible Flow +12

A localized turbulent mixing layer in a uniformly stratified environment

Tomoaki Watanabe, James J. Riley, Koji Nagata et al. · Journal of Fluid Mechanics · 2018 · 30 citations

Aeroacoustics, Engineering, Fluid Stratification +17

Non-dimensional energy dissipation rate near the turbulent/non-turbulent interfacial layer in free shear flows and shear free turbulence

Tomoaki Watanabe, Carlos B. da Silva, Koji Nagata · Journal of Fluid Mechanics · 2019 · 29 citations

Turbulent/non-turbulent Interfacial Layer, Shear Free Turbulence, Unsteady Flow +15