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Transient dynamic analysis of tracked vehicles on extremely soft cohesive soil
- Authors
- Hong, S.; Kim, H.W.; Choi, J.-S.
- Issue Date
- 2002
- Keywords
- 3D dynamic simulation; Newmark's method; Soft cohesive soil; Tracked vehicle; Transient analysis
- Citation
- Proceedings of the ISOPE Ocean Mining Symposium, pp X100 - 107
- Journal Title
- Proceedings of the ISOPE Ocean Mining Symposium
- Start Page
- X100
- End Page
- 107
- ISSN
- 0000-0000
- Abstract
- A simplified 3D dynamic model of tracked vehicle crawling on cohesive soft soil is investigated. The vehicle is assumed as rigid body with 6-dof. Cohesive soft soil is modeled through relations: pressure to sinkage, shear displacement to shear stress, and shear to dynamic sinkage. Equations of motion of vehicle are derived with respect to the body-fixed coordinates. In order to investigate 3D transient dynamics of tracked vehicle, Newmark's method is employed by means of incremental-iterative algorithm. 3D dynamic simulations are conducted for a tracked vehicle model and steering performance is investigated.
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