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- W1775648970 abstract "Abstract : This report contains two related research thrusts: improved shell structural modeling for underwater acoustics and massively parallel computations of shell dynamics response. Improvements on the existing ANS shell elements have been made and implemented on a testbed software; the module was then delivered to NRL for their applications. In addition, the so-called frequency-window tailoring of finite element models has been developed so that very high- frequency components can be accurately modeled with relatively coarse finite element grids, thus resulting in about a factor of five to ten times larger element size than has been possible in conventional finite element modeling. Second, several parallel modules using the C language have been developed to run large-scale shell dynamics problems on the Connection Machines. These include: decomposer which takes as input an arbitrary mesh description, and produces a set of finite element data structures that can be loaded within one generic CM2 chip; mapper that assigns each of the data structures produced by the decomposer to a well defined chip; residual evaluator that controls the direct calculation of element residuals; element library that includes various finite elements; and visualization kernel that greatly facilitates the understanding of the computed results." @default.
- W1775648970 created "2016-06-24" @default.
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- W1775648970 date "1991-07-24" @default.
- W1775648970 modified "2023-09-27" @default.
- W1775648970 title "Development of Improved Modeling and Analysis Techniques for Dynamics of Shell Structures" @default.
- W1775648970 hasPublicationYear "1991" @default.
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