Searching for authors named "Rony Keppens" – sorted by Relevance.
3 documents found, showing 1 through 3.
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Comparison of Different Computer Platforms for Running the Versatile Advection Code
- …. The Versatile Advection Code is a general tool for solving hydrodynamical and magnetohydrodynamical problems arising in astrophysics. We compare the performance of the code on different computer platforms, including work stations and vector and parallel supercomputers. Good parallel scaling can be…
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Adaptive Method of Lines for Magnetohydrodynamic PDE Models
- …Introduction An adaptive grid technique for use in the solution of multi-dimensional timedependent PDEs is applied to several magnetohydrodynamic model problems. The technique employs the method-of-lines and can be viewed both in a continuous and semi-discrete setting. By using an equidistribution …
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Block Incomplete LU-preconditioners for Implicit Solution of Advection Dominated Problems
- …. In many astrophysical hydrodynamical and magnetohydrodynamical problems explicit time integration is inefficient due to the disparate time scales, or because we are looking for a steady-state. Implicit schemes can offer a viable alternative, which requires efficient solution of large linear system…
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