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Simbody: SimTK multibody dynamics API

eagle-i ID


Resource Type

  1. Software


  1. Resource Description
    This project is a SimTK toolset providing general multibody dynamics capability, that is, the ability to solve Newton's 2nd law F=ma in any set of generalized coordinates subject to arbitrary constraints. (That's Isaac himself in the oval.) Simbody is provided as an open source, object-oriented C++ API and delivers high-performance, accuracy-controlled science/engineering-quality results. Simbody uses an advanced formulation of rigid body mechanics to provide results in Order(n) time for any set of n coordinates. This can be used for internal coordinate modeling of molecules, or for coarse-grained models based on larger chunks. It is also useful for large-scale mechanical models, such as neuromuscular models of human gait, robotics, avatars, and animation. Simbody can also be used in real time interactive applications for biosimulation as well as for virtual worlds and games. This toolset was developed originally for SimTK by Michael Sherman at the Simbios Center at Stanford, with major contributions from Peter Eastman and others. Simbody descends directly from the public domain NIH Internal Variable Dynamics Module (IVM) facility for molecular dynamics developed and kindly provided by Charles Schwieters. IVM is in turn based on the spatial operator algebra of Rodriguez and Jain from NASA's Jet Propulsion Laboratory (JPL), and Simbody has adopted that formulation. NOTE: Prior to the 2.2 release, binaries of Simbody were bundled with other SimTK modules in the SimTKcore project. Those can still be found at http://simtk.org/home/simtkcore, Downloads page. Keywords: articulated body, coarse-grained molecule modeling, constrained motion, internal coordinates, mechanical simulation, mechanics, molecular dynamics, multibody dynamics, rigid body, simtk core, skeletal mechanics, torsion coordinates
  2. Used by
    Stanford University
  3. Operating System
  4. Operating System
    Macintosh OS X
  5. Operating System
    Microsoft Windows
  6. Website(s)
Provenance Metadata About This Resource Record

Copyright © 2016 by the President and Fellows of Harvard College
The eagle-i Consortium is supported by NIH Grant #5U24RR029825-02 / Copyright 2016