DYMES is a general purpose program for static, kinematic and dynamic analyses of constrained multibody mechanical systems undergoing large, nonlinear, three-dimensional displacements. DYMES/CONTROL has been integrated with DYMES for controlled mechanical system simulations.


  • Well organized free-format input with excellent readability and flexibility for modification
  • Integrated with DISPLAY III/IV for model creation and graphical results interpretation
  • Enhanced graphics with animation in the post-processor for easy visualization of highly nonlinear motion of complicated mechanisms
  • Sophisticated full vehicle or suspension system modeling
  • Large library of standard and composite joints for modeling mechanical systems
  • Many sophisticated force elements to stimulate cables, springs, dampers, actuators, beams, bushings, etc.
  • DYMES/CONTROL for controlled mechanical system simulation


  • Assembly analysis
  • Redundancy analysis
  • Static equilibrium analysis
  • Quasi-static equilibrium analysis
  • Dynamic analysis
  • Kinematic analysis
  • Inverse dynamic analysis


  • Single-Input, Single-Output (SISO) and Multiple-Input, Multiple-Output (MIMO) control system modeling
  • Actuation of mechanical system according to controller commands
  • Feedback of variables from mechanical system to control system
  • Transfer function matrix generation
  • Vector import and export of control blocks
  • Accessibility of all node and state variables
  • Parameter variation study
  • Pure control system simulation

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