Semi implicit method mhd computations von harned douglas (4 Ergebnisse)

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Paperback. Zustand: New. Print on Demand. This book introduces a new semi-implicit method for solving the three-dimensional magnetohydrodynamic equations (MHD) on long time scales. Standard explicit numerical methods must use time steps constrained by a limiting condition due to the fast compressional and shear Alfvà n motion. The semi-implicit method eliminates both of these constraints, allowing for much larger time steps. The method is simple to implement and the computation time for one time step is essentially the same as for explicit methods. Numerical test results in slab and cylindrical geometry are shown, demonstrating the numerical stability and accuracy of the method. The themes presented in this book include the theoretical development of the semi-implicit method, numerical stability analysis, and applications to resistive instability simulations of fusion plasmas. The method offers a significant advancement in numerical modeling of MHD systems, and opens up new possibilities for studying the long-time evolution of these systems. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…

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Zustand: New. Print on Demand pp. 34.