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arXiv · 1408.2544

Passivity-preserving splitting methods for rigid body systems

Elena Celledoni·Eirik Hoel Høiseth·Nataliya Ramzina
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Abstract

A rigid body model for the dynamics of a marine vessel, used in simulations of offshore pipe-lay operations, gives rise to a set of ordinary differential equations with controls. The system is input-output passive. We propose passivity-preserving splitting methods for the numerical solution of a class of problems which includes this system as a special case. We prove the passivity-preservation property for the splitting methods, and we investigate stability and energy behaviour in numerical experiments. Implementation is discussed in detail for a special case where the splitting gives rise to the subsequent integration of two completely integrable flows. The equations for the attitude are reformulated on $SO(3)$ using rotation matrices rather than local parametrizations with Euler angles.

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Elena Celledoni, Eirik Hoel Høiseth, Nataliya Ramzina. 2014-08-04. Passivity-preserving splitting methods for rigid body systems. https://doi.org/10.1007/s11044-018-9628-5

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