Direct numerical simulation of interactions between suspended solid particles and isotropic homogeneous turbulence

78 particles and vortex tubes (small density ratio case rhop/rho=10)

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Turbulence augmentation by vortex shedding from 78 particles in forced isotropic homogeneous turbulence(avi file 9.2M)

Vortex tubes and 186 particles in forced isotropic homogeneous turbulence(small density ratio) (gif animation 2M)

Wake stretching and disruptions by two groups of particle passing through each other(Rep = 300) (gif animation 3.2M)

Laminar flow passing through single and paired fixed particle

Vortex shedding from fixed single particle (Rep =300) (avi file 325K)

Wake formation behind almost-touching two particles held side by side (Rep = 280, l/d=0.1) (avi file 1M)

Dynamically grid adaptation by lifting wavelet

Instantaneous grid points distribution around cylinder generated automatically by dynamic adaptation algorithm based on lifting wavelet(CDF(6,6))

Grid adaptation based on streamwise component (Rep =300) (avi file 7.6M)

Grid adaptation based on spanwise component (Rep =300) (avi file 7.7M)