On the Use of Half-Implicit Numerical Integration in Multibody Dynamics
On the Use of Half-Implicit Numerical Integration in Multibody Dynamics
复制标题
半隐式数值积分在多体动力学中的应用
DOI:
10.1115/1.4056183
复制
发表时间:
2023
影响因子:
2
通讯作者:
Negrut, Dan
中科院分区:
文献类型:
--
作者:
Fang, Luning;Kissel, Alexandra;Zhang, Ruochun;Negrut, Dan
This work highlights the use of half-implicit numerical integration in the context of the index three differential algebraic equations (DAEs) of multibody dynamics. Although half-implicit numerical integration is well established for ordinary differential equations problems, to the best of our knowledge, no formal discussion covers its use in the context of index three DAEs of multibody dynamics. We wish to address this since when compared to fully implicit methods, half-implicit integration has two attractive features: (i) the solution method does not require the computation of the Jacobian associated with the constraint, friction, contact, or user-defined applied forces; and (ii) the solution is simpler to implement. Moreover, for nonstiff problems, half-implicit numerical integration yields a faster solution. Herein, we outline the numerical method and demonstrate it in conjunction with three mechanisms. We report on convergence order behavior and solution speed. The Python software developed to generate the results reported is available as open in a public repository for reproducibility studies.
DOI:
10.1016/j.cam.2019.112517
发表时间:
2021
期刊:
J. Comput. Appl. Math.
影响因子:
--
作者:
Victoria Wieloch;M. Arnold
通讯作者:
M. Arnold
DOI:
10.1115/1.4055140
发表时间:
2022
期刊:
ArXiv
影响因子:
--
作者:
Alexandra Kissel;Jay Taves;D. Negrut
通讯作者:
D. Negrut