2 papers
physics.flu-dyn2026
Fractal-based variable drag model for porous-media tree representations
Takumi Tokiwa, Yuwei Yin, Ryo Onishi
Accurate representation of trees is essential for predictive urban micrometeorological simulations, but explicitly resolving detailed tree geometry is computationally prohibitive.…
physics.flu-dyn2026
Drag Crisis in Fractal Trees Revealed by Simulation and Theory
T. Tokiwa, Y. Yin, R. Onishi
Trees are key roughness elements in urban environments, shaping airflow, microclimates, and pollutant dispersion. Yet the aerodynamic drag of complex tree-like structures at high R…