Bibliographic Details
| Title: |
A nonsmooth method for spatial frictional contact dynamics of flexible multibody systems with large deformation. |
| Authors: |
Wang, Kun, Tian, Qiang |
| Source: |
International Journal for Numerical Methods in Engineering; 2/15/2023, Vol. 124 Issue 3, p752-779, 28p |
| Subject Terms: |
MULTIBODY systems, DISCRETIZATION methods, CONTACT mechanics, MORTAR, CONES |
| Abstract: |
A nonsmooth contact dynamics computation methodology for spatial frictional contact dynamics of flexible multibody systems with large deformation is presented. The contact and friction conditions between contact bodies are formulated as a cone complementary problem (CCP). Based on the mortar discretization method, nonsmooth frictional contact formulations for surface‐to‐surface and beam‐to‐beam contact problems are derived. These formulations can be used to study a wide range of contact problems between three‐dimensional bodies, thin plates and beams. The nonsmooth multibody dynamics equations are solved by using the generalized‐α$$ \alpha $$ method. The CCP is solved by using the accelerated projected gradient descend (APGD) algorithm in each Newton's iteration. Finally, six numerical examples are provided to validate the proposed computation methodology. [ABSTRACT FROM AUTHOR] |
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