Dealing with the center and boundary pro
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A. Arbona; C. Bona
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Article
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1999
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Elsevier Science
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English
โ 470 KB
Instabilities in finite difference codes due to the singularity of spherical coordinates at the center are studied. In typical Numerical Relativity applications, standard regularization techniques by themselves do not ensure long term stability. A proposal to remedy that problem is presented, which