Fourier and related transforms are a family of algorithms widely employed in diverse areas
of computational science, notoriously difficult to scale on high-performance parallel …

Understanding the nature of complex turbulent flows remains one of the most challenging
problems in classical physics. Significant progress has been made recently using high …

CUG2010-Ning_Li [Compatibility Mode] Page 1 2DECOMP&FFT – A Highly Scalable 2D
Decomposition Library and FFT Interface Ning Li and Sylvain Laizet Experts in numerical …

Reynolds and Mach number scaling in solenoidally-forced compressible turbulence using
high-resolution direct numerical simulatio Page 1 J. Fluid Mech. (2016), vol. 789, pp. 669–707 …

We present results of performance optimization for direct numerical simulation (DNS) of wall
bounded turbulent flow (channel flow). DNS is a technique in which the fluid flow equations …

A large database from direct numerical simulations of isotropic turbulence, including recent
simulations for box sizes up to 40963 and the Taylor–Reynolds number Rλ≈ 1000, is used …

We examine the support for the Batchelor spectrum from well-resolved simulations of high-
Schmidt-number mixing in isotropic turbulence, and resolve a conundrum with respect to the …

The effects of finite grid resolution on the statistics of small scales in direct numerical
simulations of turbulent mixing of passive scalars are addressed in this paper. Simulations at …

In this paper we present scaling results of a FFT library, FFTK, and a pseudospectral code,
Tarang, on grid resolutions up to 819 2 3 grid using 65536 cores of Blue Gene/P and …

This paper reports large-scale direct numerical simulations of homogeneous-isotropic fluid
turbulence, achieving sustained performance of 1.08 petaflop/s on gpu hardware using …