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Foil 191 Web Technologies at NPAC: WebAMR Example

From Web Application and Services Overview as of June96 NASA ICASE Tutorial -- June 10-13 1996. by Geoffrey Fox * See also color IMAGE

We illustrate here how the individual component technologies cooperate in a complete application, WebAMR (Adaptive Mesh Refinement)
A mesh of computationally extended Web servers, connected via HTTP based message passing, acts as WebVM that runs PDE solver modules for individual grids
In a simple static AMR topology (WebWork model), a tree of refined meshes is constructed by the user via the AVS like visual programming tools (WebFlow)
Dynamic AMR trees require interpreted programming support -- a pilot "little language" design towards WebHPL
WebAMR applications can be configured and run on heterogeneous clusters, including any WebWindows compliant platform
Example of WebTop System in this domain in a set of WebVM/WebFlow modules, packaged and customized as a PDE Toolkit for a given Grand Challenge community.


Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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