장소 : 431동 403호
강연시간 : 2:303:20 발표자 : Jerry Bona (University of Illinois, Chicago) 제목: Nonlinear Wave Equations and Applications to Problems in Geophysics
강연시간 : 3:304:30 발표자 : Craig Douglas (University of Wyoming) AMGLab: Algebraic Multigrid in Matlab to Parallel Supercomputing Abstract AMGLab is an open source, scientific community oriented project to allow nonexperts to experiment with AMG algorithms and then be able to choose a robust parallel AMG solver. Industrial class problems are the target. However, student level problems, suitable for classes, are also a target. The project has been centered at the University of Kentucky, University of Graz, and the University of Linz. The speaker has recently moved to the University of Wyoming. In this talk, we will discuss what is implemented in Matlab, what exists for production level parallel codes, and how others can become part of the project by contributing to the open source project.
강연시간 : 4:405:30 발표자 : Li Deng (University of Kentucky) Abstract Application for a novel Perturbation Expansion Method for Coupled Eigenvalue Problem between Acousticfield & Structure Abstract: This talk describes a numerical procedure that is useful in trying to reduce noise in moving vehicles. The method applies to general domains and realistic examples that are useful to the automotive industry. A finite element procedure for an acoustic field in a structure is used to produce and analyze a nonstandard coupled eigenpair problem. The method is shown to be less expensive to set up and use than the method used in the commercial code NASTRAN by using a standard symmetric acoustic field and structure for (the decoupled system) eigenpair respectively. Numerical examples demonstrate both the adequacy of this methodology and its useful numerical features
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