Original Article
  • Topology Optimization of a Lightweight Multi-material Cowl Cross Member Using Matrix Input with the Craig Bampton Nodal Method

  • Dong il Son*, Sangwoo So**, Dong hyuk Choi*, Daeil Kim***†

  • * R&D Center, Dongkook Ind. Co., Ulsan
    ** Automotive Parts Institute & Center, Ulsan Technopark

References
  • 1. Lam, K.P., Behdinan, K., and Cleghorn, W.L., “A Material and Gauge Thickness Sensitivity Analysis on the NVH and Crashworthiness of Automotive Instrument Panel Support”, Thin-walled Structures, Vol. 41, No. 11, 2003, pp. 1005-1018.
  •  
  • 2. Shao, M.W., Huang, J.J., Chen, Y.X., and Hwang, S.S., “Synthesis and Characterization of the Microcellular Injection Molded PA6/flax and the PA6/graphene Nanocomposites”, in IOP Conference Series: Materials Science and Engineering, 2019. IOP Publishing.
  •  
  • 3. Lee, B.Y., and Kim, Y.C., “Study on the Physical Properties of Nylon66/glass Fiber Composites as a Function of Extrusion Number”, Journal of the Korea Academia-Industrial Cooperation Society, Vol. 15. No. 6, 2014, pp. 3990-3996.
  •  
  • 4. Rahmani, M., Multidisciplinary Design Optimization of Automotive Aluminum Cross-car Beam Assembly, 2013.
  •  
  • 5. Kim, C., and Sun, H., “Topology Optimization of Gas Flow Channel Routes in an Automotive Fuel Cell”, International Journal of Automotive Technology, Vol. 13, No. 5, 2012, pp. 783-789.
  •  
  • 6. Craig, J.R., “Coupling of Substructures for Dynamic Analyses-an Overview”, in 41st Structures, Structural Dynamics, and Materials Conference and Exhibit, 2000.
  •  
  • 7. Rixen, D.J., “A Dual Craig-bampton Method for Dynamic Substructuring”, Journal of Computational and Applied Mathematics, Vol. 168, No. 1-2, 2004, pp. 383-391.
  •  
  • 8. Rozvany, G.I., Zhou, M., and Birker, T., “Generalized Shape Optimization without Homogenization”, Structural Optimization, Vol. 4, No. 3-4, 1992, pp. 250-252.
  •  
  • 9. Bendsøe, M.P., and Kikuchi, N., “Generating Optimal Topologies in Structural Design Using a Homogenization Method”, Computer Methods in Applied Mechanics and Engineering, Vol. 71, No. 2, 1988, pp. 197-224.
  •  
  • 10. Hyperworks, Hyperworks Solvers Theory, 2017.
  •  
  • 11. Holzwarth, P., and Eberhard, P., “Interface Reduction for CMS Methods and Alternative Model order Reduction”, IFAC-Papers on Line, Vol. 48, No. 1, 2015, pp. 254-259.
  •  
  • 12. Gebisa, A.W., and Lemu, H.G., “A Case Study on Topology Optimized Design for Additive Manufacturing”, in Materials Science and Engineering Conference Series, 2017.
  •  
  • 13. Cho, K.H., Park, J.Y., Ryu, S.P., Park, J.Y., and Han, S.Y., “Reliability-based Topology Optimization Based on Bidirectional Evolutionary Structural Optimization Using Multi-objective Sensitivity Numbers”, International Journal of Automotive Technology, Vol. 12, No. 6, 2011, pp. 849-856.
  •  

This Article

Correspondence to

  • Daeil Kim

  • School of Material Science & Engineering, University of Ulsan

  • E-mail: dkim84@ulsan.ac.kr