Simulation of nonlinear distributed parameter systems on the connection machine

Article Abstract:

The recently introduced Connection Machine, CM-2, is a multiprocessor with massive parallelism. Fully expanded, the CM-2 consists of 64K processing elements connected in a hypercube topology. Each processing element contains a single-bit arithmetic and logic unit as well as up to 256K bits of local memory. Operation is in the SIMD mode with a single control unit controlling all the processors. In this paper the application of a quarter CM-2 (16K processing elements) to the simulation of excitable media is described. Excitable media are distributed parameter systems, characterized by nonlinear partial differential equations, containing distributed sources of energy. Excitable media arise in biological systems (e.g. heart muscles), chemical processes and a variety of other application areas. The implementation of a mathematical model for the heart muscle on the CM-2 permitted the generation of very interesting computational results. (Reprinted by permission of the publisher.)

Heart, Multiprocessing, Simulation, technical, Massive Parallelism, Hypercube Processor Architecture, Partial Differential Equations

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Three New Enhancements to Perkin-Elmer's 32-Bit Distributed CAD-CAM Systems

Article Abstract:

Three new enhancements to their 32-bit distributed CAD-CAM system have been announced by the Perkin-Elmer Corporation. Color raster display capability is now available via the CADHUE Color Module. The Geometry Interface Module provides geometric support to applications programs and CAD- CAM data base accessibility. A software interface provides pen plotter support to the CalComp 907 controllers.

Software, Graphics software, Color, Computer graphics, Plotters, CAD/CAM, 32-Bit, Plotter, Distributed Systems, Graphics System, Modules, Add-In/On Devices, Boards/Cards, I/O Boards/Cards, I/O cards, CADHUE, Geometry Interface Module, Software Interface

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MAP-1 Enhancements

Article Abstract:

A new release of Pritsker & Associate's MAP-1 modeling program features several enhancements. The enhancements include conditional part routing, distance matrix, conveyor, machine setup, station operation numbers, station initialization, fixtures, and enhanced assemble and produce modes.

Modeling, Data modeling software, New Product, Software Packages, Upgrading, Enhancements, MAP-1

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