Three dimensional free-decaying MHD turbulence is simulated by lattice Boltzmann methods on a spatial grid of 80003 for low and high magnetic Prandtl number.It is verified that∇·B=0 is automatically maintained to...Three dimensional free-decaying MHD turbulence is simulated by lattice Boltzmann methods on a spatial grid of 80003 for low and high magnetic Prandtl number.It is verified that∇·B=0 is automatically maintained to machine accuracy throughout the simulation.Isosurfaces of vorticity and current show the persistence of many large scale structures(both magnetic and velocity)for long times—unlike the velocity isosurfaces of Navier-Stokes turbulence.展开更多
In this review, some important clinical advances presented at the 2011 American Society of Clinical Oncology （ASCO） meeting are summarized. Emerging trends in clinical oncology research are also discussed based on a...In this review, some important clinical advances presented at the 2011 American Society of Clinical Oncology （ASCO） meeting are summarized. Emerging trends in clinical oncology research are also discussed based on an analysis of the ASCO abstract database in recent years.展开更多
基金The authors were supported by grants from DoE,AFOSR and AFRL as well as the Director,Office of Science,Office of Advanced Scientific Computing Research,Department of Energy under Contract No.DE-AC02-05CH11231.
文摘Three dimensional free-decaying MHD turbulence is simulated by lattice Boltzmann methods on a spatial grid of 80003 for low and high magnetic Prandtl number.It is verified that∇·B=0 is automatically maintained to machine accuracy throughout the simulation.Isosurfaces of vorticity and current show the persistence of many large scale structures(both magnetic and velocity)for long times—unlike the velocity isosurfaces of Navier-Stokes turbulence.
文摘In this review, some important clinical advances presented at the 2011 American Society of Clinical Oncology （ASCO） meeting are summarized. Emerging trends in clinical oncology research are also discussed based on an analysis of the ASCO abstract database in recent years.
