A basic parallel sparse eigensolver for structural dynamics
Conference
·
OSTI ID:650381
In this work the basic Finite Element Tearing and Interconnecting (FETI) linear system solver and the PARPACK eigensolver are combined to compute the smallest modes of symmetric generalized eigenvalue problems that arise from structures modeled primarily by solid finite elements. Problems with over one million unknowns are solved. A comprehensive and relatively self-contained description of the FETI method is presented.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE Office of Financial Management and Controller, Washington, DC (United States)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 650381
- Report Number(s):
- SAND--98-0410C; CONF-9705260--; ON: DE98004289; BR: YN0100000
- Country of Publication:
- United States
- Language:
- English
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