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DTECH - Dynamical Systems Technology

dynamis_2 is a numerical software leading to an automated determination of static and dynamic response of mechanical systems in a computationally efficient way. It is used for systems of critical importance and safety, like for predicting the behavior of automotive, aerospace, marine and civil engineering structures. These systems are discretized by finite elements. Frequently, this leads to models with an excessive number of degrees of freedom and strongly nonlinear characteristics. Therefore, a central concept of the code is to provide the option of reducing drastically the order of a system, without sacrificing numerical accuracy. Apart from increasing the computational efficiency and speed, this reduction renders amenable the application of techniques, which are efficient for low order systems only.

You can download dynamis_2 brochure here.

Multi-body Dynamics Capabilities

Currently, there is a strong and continuous effort towards extending the capabilities of dynamis_2 in order to cover all the analyses performed in the general area of multi-body dynamics. Specifically, innovative and competitive methods have been developed for carrying out all the standard static and kinematic analyses, as well as for performing direct integration of the equations of motion for systems exhibiting large rigid body rotation and motion constraints.

In parallel, dynamis_2 supports most of the data included in the MNF library, which are required as input for modeling flexible parts in multi-body dynamics codes, like ADAMS. More specifically, the datablocks created so far include information related to:

  • topology (grid points, finite elements, rigid connections),
  • mode shapes
  • modal mass matrix, modal stiffness matrix and
  • modal loads.

This development is performed so that to increase the customization and interoperability with existing multi-body dynamics solvers.


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