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DTECH - Dynamical Systems Technology
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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.

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Contacts

gear_3dThe nonlinear capabilities of dynamis_2 include point to point (gap) contact elements as well as general surface to surface contacts for solid and shell finite elements. The solver developed can handle multiple contacts, including friction, by proper definition of the corresponding master-slave pairs. The contact capability is based on modern strong research achievements in the area of non-smooth mechanical systems with unilateral constraints, which are fully incorporated in both the static and the dynamic analyses performed.

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