Development of a Multibody Dynamics Simulation Tool for Tracked Vehicles (Part I, Efficient Contact and Nonlinear Dynamic Modeling)

Ryu, Han-Sik; Huh, Kunsoo; Bae, Dae Sung; Choi, Jin Hwan

doi:10.1299/jsmec.46.540

Cited by 27 publications

(10 citation statements)

References 10 publications

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“…However, in references [8] and [9] two similar simulation models of armoured tracked vehicles show fine accordance between measured and simulated data.…”

Section: Introductionmentioning

confidence: 89%

See 1 more Smart Citation

Time domain simulation of large-scale material handling chains using an unconstrained formulation

Sørensen

Hansen

Ebbesen

et al. 2011

Proceedings of the Institution of Mechanical Engineers, Part K:

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This article presents a dynamic time domain simulation model of loop-sortation systems. Loop-sortation systems for sortation of medium-size items are designed as a closed chain of carts guided in a closed loop track with a view to meet customers' requirements of capacity and space available. Loop-sortation systems are complex mechatronic systems which require the use of simulation models in order to analyse, predict, and improve the dynamic performance in a cost efficient way. The model utilizes theory for unconstrained rigid multibody dynamics where contact between carts and between cart and track are modelled through the use of force elements. To determine contact between the track and the chain of carts, a rapid and robust contact search formulation has been developed and implemented in the model. Comparisons of main forces of the chain model are made with experimental measurements on three different test layouts. Verification results show that the normalized root mean square deviations are generally less than 10 per cent.

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“…However, in references [8] and [9] two similar simulation models of armoured tracked vehicles show fine accordance between measured and simulated data.…”

Section: Introductionmentioning

confidence: 89%

“…Simulation results in references [6] and [7] appear promising; thus, comparisons with experimental data on real applications are missing. However, in references [8] and [9] two similar simulation models of armoured tracked vehicles show fine accordance between measured and simulated data.…”

Section: Introductionmentioning

confidence: 89%

Time domain simulation of large-scale material handling chains using an unconstrained formulation

Sørensen

Hansen

Ebbesen

et al. 2011

Proceedings of the Institution of Mechanical Engineers, Part K:

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show abstract

“…In order to address the numerical difficulties encountered in the tracked vehicle simulations due to the high frequency contact forces, an explicit numerical integration method with a variable time step size was employed. Ryu et al 9 validated the numerical results obtained for a tracked vehicle model by comparing the simulation and experimental results. Ozaki and Shabana 10 developed a detailed contact formulation for the undercarriage system of a threedimensional bulldozer model.…”

Section: Tracked Vehiclesmentioning

confidence: 98%

Prediction of dynamic stresses using flexible multibody system algorithms: Application to tracked vehicle upper structure

Sasaki

Shabana

2014

Proceedings of the Institution of Mechanical Engineers, Part K:

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The objective of this investigation is to develop a general procedure for predicting the dynamic stresses when the nonlinear floating frame of reference formulation is used to model flexible components in multibody system applications. The procedure utilizes the concept of the floating frame of reference intermediate finite element coordinate system and the general continuum mechanics approach to develop accurate definitions of the floating frame of reference kinematic equations that enter into the formulations of the strains. These general equations are used to design a computational algorithm for the calculation of the dynamic stresses. In order to demonstrate the use of the procedure developed in this investigation for the stress prediction, a tracked vehicle system is used as the study model. Taking into consideration the actual endurance test, a model for a bulldozer upper structure is developed using computer aided engineering solution framework which includes flexible multibody system algorithms. In order to obtain the dynamic stresses, the flexible structure of the tracked vehicle is modeled using Mindlin shell finite elements. The equations of motion are developed using the finite element/floating frame of reference formulation that allows for effectively reducing the number of degrees of freedom by neglecting high-frequency modes of vibration using component mode synthesis techniques. The stresses are obtained using a procedure that takes into consideration the dynamic coupling between the rigid body motion and the elastic deformations. The use of the general continuum mechanics theory to formulate the strain and stress equations allows for applying the procedure developed in this paper to other element types. Kinematic relationships are used to formulate several components and elements of the undercarriage including the idler cushion system and the maximum reverse angle. Numerical results are presented in order to demonstrate the use of the general floating frame of reference procedure in the stress analysis of the tracked vehicle undercarriage system.

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“…According to the experimental results, it is found that the radial elastic properties of the bushing basically accord with Hooke's law. So the radial elastic properties are expressed in the form of Hooke's law 6 F e x ð Þ = K e x ð Þ ð16Þ The elastic unit does not consume energy in a sine excitation cycle; when the excitation amplitude is x 0 , the amplitude of the response force is as follows…”

Section: The Tension and Compression Hysteresis Loss Mechanism Of Thementioning

confidence: 99%

Comparative experimental and numerical study on energy consumption of track-pin rubber bushing for high-speed tracked vehicles

Chen

Zhang

Zhou³

et al. 2019

Proceedings of the Institution of Mechanical Engineers, Part D:

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During the running of high-speed tracked vehicles, the energy loss due to the rotation and tension-compression deformation of the rubber bushing between the track pin and the track plate causes the largest proportion of energy consumption in tracked vehicle propulsion systems; therefore, it is critical to study energy consumption of this component as it is the largest amount of energy loss of the system. First, the theoretical modeling and analysis of the torsional hysteresis and the tension-lag of the hanging glue on the pin of the track pin are conducted. Both energy loss of torsional hysteresis and energy loss of the hysteresis of tension and pressure are obtained when the rubber bushings pass the sprocket, the road wheel, and the idler. Second, a new and novel rubber bushing model based upon the rubber bushing elastic element, the friction element, and the viscoelastic element is proposed. Then the parameters (such as the static elastic stiffness and the maximum friction) of each unit are identified according to the dynamic characteristic experiment. Finally, the numerical simulation results of MATLAB with different stiffness and damping coefficient in addition to tension and compression energy consumption under different frequencies are obtained, and the comparisons are basically consistent with the experimental results; the average errors are less than 8%. The present analytical calculation model is practically useful and can meet the requirements of engineering applications.

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Development of a Multibody Dynamics Simulation Tool for Tracked Vehicles (Part I, Efficient Contact and Nonlinear Dynamic Modeling)

Cited by 27 publications

References 10 publications

Time domain simulation of large-scale material handling chains using an unconstrained formulation

Time domain simulation of large-scale material handling chains using an unconstrained formulation

Prediction of dynamic stresses using flexible multibody system algorithms: Application to tracked vehicle upper structure

Comparative experimental and numerical study on energy consumption of track-pin rubber bushing for high-speed tracked vehicles

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