Interactive desktop analysis of high resolution simulations: application to turbulent plume dynamics and current sheet formation

@article{Clyne2007InteractiveDA,
  title={Interactive desktop analysis of high resolution simulations: application to turbulent plume dynamics and current sheet formation},
  author={John P. Clyne and Pablo D. Mininni and Alan Norton and Mark Peter Rast},
  journal={New Journal of Physics},
  year={2007},
  volume={9},
  pages={301 - 301}
}
The ever increasing processing capabilities of the supercomputers available to computational scientists today, combined with the need for higher and higher resolution computational grids, has resulted in deluges of simulation data. Yet the computational resources and tools required to make sense of these vast numerical outputs through subsequent analysis are often far from adequate, making such analysis of the data a painstaking, if not a hopeless, task. In this paper, we describe a new tool… 

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References

SHOWING 1-10 OF 75 REFERENCES

A prototype discovery environment for analyzing and visualizing terascale turbulent fluid flow simulations

TLDR
Preliminary results of the efforts to facilitate visual as well as non-visual analysis of terascale scientific data sets with the aim of realizing greater scientific return from such large scale computation efforts are described.

Compressible plume dynamics and stability

  • M. Rast
  • Physics
    Journal of Fluid Mechanics
  • 1998
This paper presents a numerical study of the dynamics and stability of two-dimensional thermal plumes in a significantly stratified layer. Motivated by stellar envelope convection in which radiative

The two-dimensional magnetohydrodynamic Kelvin–Helmholtz instability: Compressibility and large-scale coalescence effects

The Kelvin–Helmholtz (KH) instability occurring in a single shear flow configuration that is embedded in a uniform flow-aligned magnetic field, is revisited by means of high resolution

Parallel Simulations in Turbulent MHD

The large-scale dynamics of plasma flows can often be described within a fluidistic approximation known as onefluid magnetohydrodynamics. Complex flows such as those corresponding to turbulent

Solar Interface Dynamos. II. Linear, Kinematic Models in Spherical Geometry

Numerical models of interface dynamos are constructed, and their properties discussed in some detail. These models are extensions in spherical geometry of the Cartesian interface models considered by

Small-scale structures in three-dimensional magnetohydrodynamic turbulence.

TLDR
At high Reynolds numbers, a self-similar evolution of the current and vorticity maxima is found, in which they grow as a cubic power of time; the flow then reaches a finite dissipation rate independent of the Reynolds number.

Energy dissipation rate and energy spectrum in high resolution direct numerical simulations of turbulence in a periodic box

High-resolution direct numerical simulations (DNSs) of incompressible homogeneous turbulence in a periodic box with up to 40963 grid points were performed on the Earth Simulator computing system. DNS

Realistic Solar Convection Simulations

We report on realistic simulations of solar surface convection that are essentially parameter free, but include detailed physics in the equation of state and radiative energy exchange. The simulation

Realistic Solar Convection Simulations

We report on realistic simulations of solar surface convection that are essentially parameter-free, but include detailed physics in the equation of state and radiative energy exchange. The simulation
...