Implementing sparse matrix techniques in the erato code

✍ Scribed by D.S. Scott; R. Gruber

• Book ID: 103044195
• Publisher: Elsevier Science
• Year: 1981
• Tongue: English
• Weight: 497 KB
• Volume: 23
• Category: Article
• ISSN: 0010-4655
• DOI: 10.1016/0010-4655(81)90025-4

✦ Synopsis

In the variational form of the ideal magnetohydrodynamicequations for a toroidal geometry two of the three displacement components appear to be "one-dimensional". By an adequate discretization procedure the matrix blocks of the blockdiagonal matrix do not entirely overlap. This feature can be used to advantage when solving the eigenvalue problem by sparse matrix techniques. Appreciable gains in computing time, memory and disk storage as well as in input-output operations can be obtained.