VisSim

VisSim/Altair Embed
ParadigmModular, Visual Programming, Simulation language
DeveloperVisual Solutions / Altair
First appeared1989
Stable release
Embed 2016 / January 2016
OSWindows
LicenseProprietary software
Filename extensions.VSM
Websitewww.vissim.com, www.altair.com
Influenced by
C, Laboratory Workbench, AVS (Advanced Visualization System)
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VisSim is a visual block diagram program for the simulation of dynamical systems and model-based design of embedded systems, with its own visual language. It is developed by Visual Solutions of Westford, Massachusetts. Visual Solutions was acquired by Altair in August 2014 and its products have been rebranded as Altair Embed as a part of Altair's Model Based Development Suite. With Embed, virtual prototypes of dynamic systems can be developed. Models are built by sliding blocks into the work area and wiring them together with the mouse. Embed automatically converts the control diagrams into C-code ready to be downloaded to the target hardware.

VisSim (now Altair Embed) uses a graphical data flow paradigm to implement dynamic systems, based on differential equations. Version 8 adds interactive UML OMG 2 compliant state chart graphs that are placed in VisSim diagrams, which allows the modelling of state based systems such as startup sequencing of process plants or serial protocol decoding.