This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Unconventional Truck Chassis Design with Multi-Functional Cross Members
Technical Paper
2019-01-0839
ISSN: 0148-7191, e-ISSN: 2688-3627
This content contains downloadable datasets
Annotation ability available
Sector:
Language:
English
Abstract
An unconventional conceptual design of truck chassis with multi-functional cross-members is proposed, and an optimization framework is developed to optimize its structure to minimize mass while satisfying stiffness and modal frequency constraints. The side rails are C-sectional channels of variable height and were divided into six sections, each with different thickness distribution for the flanges and the web. The gearbox cross-member and the intermediate cross-members are compressed-air cylinders, and hence they act as multi-functional components. The dimensions and thickness of the side rails and the air-tank cross members are defined by a set of parameters which are considered as design variables in the optimization problem. The structure consists of three additional fixed cross-members which are modeled using beam elements. The limits of the design variables are decided while considering manufacturing limits. Additional geometric constraints are imposed considering the front and rear axle locations. The baseline model is verified by comparing the values of torsional stiffness, vertical bending stiffness and the frequencies corresponding to lateral bending mode, torsional bending mode and vertical bending mode with those of the high-fidelity model of comparable dimensions. A novel algorithm using Mode Assurance Criteria (MAC), is developed to find the appropriate vertical bending frequency. The design variables are optimized considering constraints on vertical bending frequency, torsional stiffness, and vertical bending stiffnesses using the Particle Swarm Optimization (PSO), which is implemented using parallel processing. The optimized design has 10% less mass than the baseline model while having almost equal stiffness.
Recommended Content
Authors
Citation
De, S., Singh, K., Seo, J., Kapania, R. et al., "Unconventional Truck Chassis Design with Multi-Functional Cross Members," SAE Technical Paper 2019-01-0839, 2019, https://doi.org/10.4271/2019-01-0839.Data Sets - Support Documents
Title | Description | Download |
---|---|---|
Unnamed Dataset 1 | ||
Unnamed Dataset 2 | ||
Unnamed Dataset 3 | ||
Unnamed Dataset 4 | ||
Unnamed Dataset 5 | ||
Unnamed Dataset 6 | ||
Unnamed Dataset 7 | ||
Unnamed Dataset 8 | ||
Unnamed Dataset 9 | ||
Unnamed Dataset 10 | ||
Unnamed Dataset 11 | ||
Unnamed Dataset 12 |
Also In
References
- Yang , R.J. and Chahande , A.I. Automotive Applications of Topology Optimization Structural Optimization 9 245 249 1995
- Cavazzuti , M. , Baldini , A. , Bertocchi , E. , Costi , D. et al. High Performance Automotive Chassis Design: A Topology Optimization Based Approach Structural and Multidisciplinary Optimization 44 45 56 2011
- Wang , J. , Wang , T. , Yang , Y. , Peng , Z. et al. Topology Optimization Design of a Heavy Truck Frame Proceedings of the FISITA 2012 World Automotive Congress. Lecture Notes in Electrical Engineering Springer, Berlin, Heidelberg 195 219 227
- Kurdi , O. , Rahman , R.A. , and Samin , P.M. Optimization of Heavy Duty Truck Chassis Design by Considering Torsional Stiffness and Mass of the Structure Applied Mechanics and Materials 554 459 463 2014
- Kang , N. , Kokkolaras , M. , Papalambros , P.Y. , Yoo , S. et al. Optimal Design of Commercial Vehicle Systems Using Analytical Target Cascading Structural and Multidisciplinary Optimization 50 1103 1114 2014
- Rajasekar , K. , Saravanan , R. , and Dhandapani , N.V. Design and Optimization of Variable Rectangular Cross Section Chassis for On-Road Heavy Vehicles International Journal of Vehicle Structures & Systems 8 11 16 2016
- Jin , C. and Wang , P. A Method for Truck Frame Strength Analysis with Simplified Suspension Model Proceedings of SAE-China Congress 2015 364 2015 485 492
- Turner , M.J. , Clough , R.W. , Martin , H.C. , and Topp , L.T. Stiffness and Deflection Analysis of Complex Structures J. Aeronaut. Sci. 25 805 823 1956
- Argyris , J.H. and Kelsey , S. Energy Theorems and Structural Analysis London Butterworths 1960
- Ide , T. , Otomori , M. , Leiva , J.P. , and Watson , B.C. Structural Optimization Methods and Techniques to Design Light and Efficient Automatic Transmission of Vehicles with low Radiated Noise Structural and Multidisciplinary Optimization 50 6 1137 1150 2014
- De , S. , Singh , K. , Alanbay , B. , Kapania , R. K. et al. Structural Optimization of Truck Front-Frame under Multiple Load Cases ASME International Mechanical Engineering Congress & Exposition Pittsburgh, PA November 9-15, 2018
- De , S. , Singh , K. , Seo , J. , Kapania , R. K. et al. Structural Design and Optimization of Commercial Vehicles Chassis under Multiple Load Cases and Constraints 60th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference San Diego, CA 2018
- Kennedy , J. , Eberhart , R. Particle Swarm Optimization Proceedings of IEEE International Conference on Neural Networks 1995 1942 1948
- Burns , S.F. 2009
- Ramsey , J. 2005
- Pastor , M. , Binda , M. , and Harcarik , T. Modal Assurance Criterion Procedia Engineering 48 543 548 2012
- Liu , Q. , Jrad , M. , Mulani , S.B. , and Kapania , R.K. Global/Local Optimization of Aircraft Wing Using Parallel Processing AIAA Journal 54 11 3338 3348 2016
- Jrad , M. , De , S. , and Kapania , R.K. Global-Local Aeroelastic Optimization of Internal Structure of Transport Aircraft wing 18th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference Denver, CO 2017