Statistics – Applications
Scientific paper
Jun 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984stin...8432816p&link_type=abstract
Unknown
Statistics
Applications
Feasibility Analysis, Inertial Confinement Fusion, Laser Applications, Laser Modes, Nova Laser System, Damping, Dynamic Structural Analysis, Eigenvalues, Finite Element Method, Mathematical Models
Scientific paper
NOVA is the latest in a series of powerful laser systems designed to study the feasibility of initiating a controlled fusion reaction by concentrating laser beams on a small fuel target, commonly called Inertial Confinement Fusion or ICF. The NOVA experimental facility is designed to produce 300 Kj of energy in order to demonstrate the ignition of thermonuclear burn. The laser components are all mounted on large welded steel frame structures. These structures are first analyzed with linear finite element models to access their seismic integrity as well as their overall vibrational stability. A modal analysis is performed on the North side spaceframe tower to verify the spacial mode shapes of the tower and their corresponding eigenvalues (resonant frequencies) as well as the global damping associated with each mode. A discussion of the experimental modal analysis procedure used for testing, the results from the modal analysis, and a comparison with earlier finite element results is presented.
Pastrnak J. W.
Weaver J. H.
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