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- W2361492996 abstract "Aiming at the problem of solving DAEs' motion equation in multi-body system dynamics simulation,new methods were proposed based on Backward Differentiation Formulas(BDF).The existing algorithm of NStiff which solved index-3DAEs form motion equation was extended to the index-2DAEs form motion equation of non-holonomic mechanics system.A new algorithm of NStiff-v was proposed to solve index-3DAEs form motion equation of holonomic constraint multi-body system and index-2DAEs form motion equation of non-holonomic mechanical system.During the discretization of motion equations,the constraint equations were scaled to eliminate ill-conditioning of Jacobian matrix caused by small time steps on solving nonlinear equations with Newton-Raphson method.Through two examples of slider-crank mechanism and Snakeboard model,the effectiveness of proposed algorithm was validated by comparing NStiff with NStiff-v.In addition,experiments illustrated that the algorithm had second-order accuracy in solving DAEs." @default.
- W2361492996 created "2016-06-24" @default.
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- W2361492996 date "2013-01-01" @default.
- W2361492996 modified "2023-09-26" @default.
- W2361492996 title "Dynamics simulation of multi-body system based on backward differentiation formulas" @default.
- W2361492996 hasPublicationYear "2013" @default.
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