Problems of accuracy and reliability in 2-D LISA simulations

✍ Scribed by E. Ruffino; P.P. Delsanto

• Publisher: Elsevier Science
• Year: 1999
• Tongue: English
• Weight: 594 KB
• Volume: 38
• Category: Article
• ISSN: 0898-1221
• DOI: 10.1016/s0898-1221(99)00216-3

✦ Synopsis

In the present paper, we discuss several problems of convergence and accuracy of numerical simulations of 2-D problems, using, for the purpose of examplification, the propagation of ultrasonic pulses in complex media. Some of the difficulties are barely an extension to 2-D of problems already studied in the 1-D case. Others are novel to the 2-D case and deserve a specific analysis. Among the latter, the approximation by which an oblique straight line must be represented as a ladder in a lattice is considered in detail.