Abstract
Described in this paper is an integrated approach for reliable detection of state events occurring during numerical integration of the equations of motion of multibody systems. The method combines an explicit Runge–Kutta 4/5 Dormand scheme with continuous dense output extension with a polynomial root detection algorithm warranting root detection for large time steps enclosing several roots. The method is implemented in C++ and integrated within an object-oriented code for simulation of the equations of motion of mechanical systems including collisions. Numerical comparisons with standard methods are shown for a number of test examples, displaying the robustness of the method.
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Grabner, G., Kecskeméthy, A. An Integrated Runge–Kutta Root Finding Method for Reliable Collision Detection in Multibody Systems. Multibody Syst Dyn 14, 301–316 (2005). https://doi.org/10.1007/s11044-005-2640-6
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DOI: https://doi.org/10.1007/s11044-005-2640-6