A Study on the Stiffness Characteristic of Repeated Unit Cell Structure

반복되는 구조물의 강성특성 연구

  • Park, Soo (Department of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Seon, Kwang-Sang (Department of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Koo, Jae-Mean (Department of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Seok, Chang-Sung (Department of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Park, Tae-Jung (Department of Steam Generator Design, Doosan Heavy Ind. & Constr.)
  • 박수 (성균관대학교 기계공학부 대학원) ;
  • 선광상 (성균관대학교 기계공학부 대학원) ;
  • 구재민 (성균관대학교 기계공학부) ;
  • 석창성 (성균관대학교 기계공학부) ;
  • 박태정 (두산중공업 증기발생기 설계팀)
  • Published : 2010.03.01

Abstract

The repeated unit cell structure is applied to the composite, the carbon nano tube and sandwich panel. In this paper, a study on the stiffness of unit cell structure has been performed with the tube support plate of the steam generator. For this, repeated unit cell structure's equivalent elastic constant and poisson's ratio was evaluated through FEA and tests under the elastic range load. Also we evaluated the effect on the specimen size from results.

Keywords

References

  1. Sanchez-Palencia, P. and Zaoui, A., "Element of Homogenization Theory for Inelastic Solid Mechanics," Homogenization Techniques for Composite Media, pp. 194-278, 1985.
  2. Spector, A. A., Ameen, M. and Popel, A. S., "Simulation of Moter-Driven Cochlear Outer Hair Cell Electromotility," Biophysical Journal, Vol. 81, No. 1, pp. 11-24, 2001. https://doi.org/10.1016/S0006-3495(01)75676-7
  3. Xia, Z., Zhou, C., Yong, Q. and Wang, X., "On Selection of Repeated Unitcell Model and Application of Unified Periodic Boundary Conditions in Micro-Mechanical Analysis of Composites," Journal of Solids and Structures, Vol. 43, No. 2, pp. 266-278, 2006. https://doi.org/10.1016/j.ijsolstr.2005.03.055
  4. ASME Standard, "Rules for the Design of Tuesheets," ASME Section VIII, Division 1, Nonmandatory Appendix AA, pp. 632-633, 1998.
  5. Iwase, T., Sunami, T., Matsutani, K., Tomomatsu, K. I., Takaba, O., Watanabe, Y., Nakamura, T., Nakamura, K., and Tsuge, R., "Verification Test of High Performance Steam Generator," 5th International Conference on Nuclear Engineering(ICON 5), 1997.
  6. Kim, J.-H., Woo, H.-S. and Chang, Y.-S., "A Study on the Mechanical States of Machined Surface by Considering Cutting Edge," J. of KSPE, Vol. 16, No. 7, pp. 188-195, 1999.
  7. Ahn, B.-S. and Choi, K.-Y., "Effect of Strength and Residual Stress on Deformation during Line Heating," Proceeding of the Annual Meeting of Korean Welding Society, Vol. 1, pp. 91-93, 1990.