cross section crash boxes

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Education VITA Ahmet Kaan TOKSOY (13.07.1978) İzmir B. Sc : (1999) Department of Mechanical Engineering, Dokuz Eylül University, Turkey (1+4) (in Turkish) M. Sc : (2003) Department of Mechanical Engineering, Izmir Institute of Technology, Turkey, (in English) PhD : (2009) Department of Mechanical Engineering, Izmir Institute of Technology, Turkey, (in English) Grants Elginkan Foundation, Technology Awards-2009, Production and Development of Engineering Application of Foam and Porous Metal Structures, Güden, M., Taşdemirci, A., Toksoy, A. K., Dizlek, M. E., Ergönenç, Ç. Selected Publications Aktay, L., Kröplin, B.-H., Toksoy, A.K., Güden, M., Finite element and coupled finite element/smoothparticle hydrodynamics modeling of the quasi-static crushing of empty and foam-filled single, bitubular and constraint hexagonal- and square-packed aluminum tubes, Material Design, 29( 2008) 952-962 Aktay, L., Johnson, A.F., Toksoy, A.K., Kröplin, B.-H., Güden, M., Modeling the progressive axial crushing of foam-filled aluminum tubes using smooth particle hydrodynamics and coupled finite element model/smooth particle hydrodynamics, Material Design, 29( 2008) 569-575 Guden, M., Toksoy, A. K., Kavi, H., Experimental investigation of interaction effects in foam-filled thin-walled aluminum tubes,J. Mater. Sci, 41(2006) 6417- 6424. Toksoy, A.K., Güden, M.,The strengthening effect of polystyrene foam filling in aluminum thin-walled cylindrical tubes, Thin-Walled Structures 43 (2005) 333– 350
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OPTIMIZATION OF THE AXIAL CRUSHING
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ACKNOWLEDGEMENTS My PhD quest has b
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ÖZET KAPALI HÜCRELİ ALUMİNYUM K
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CHAPTER 4 EXPERIMENTAL DETAILS ....
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CHAPTER 8 ALUMINUM CRASH BOX OPTIMI
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Figure 3.7. Simulations of the defo
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Figure 4.9. Dimensions of tensile t
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Figure 6.21. Sequential deformation
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LIST OF TABLES Table Page Table 4.1
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Figure 1. 1. The body in white stru
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Figure 1. 4. Commercial crash boxes
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CHAPTER 2 AL CLOSED CELL FOAMS: PRO
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The processing methods and mechanic
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Figure 2. 5 The preferred particle
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Figure 2. 8. Typical cellular struc
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Figure 2. 10. Manufacturing cost of
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Figure 2. 12. Laser assisted foamed
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Figure 2.16. Shear strength, normal
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Figure 2. 19. Yield strength vs. re
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Figure 2. 21. Unit cell geometry an
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Figure 2. 24. Load-displacement cur
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Figure 2. 26. The photographs of a
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CHAPTER 3 CRUSHING BEHAVIOR OF TUBU
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Figure 3.2. Diamond deformation mod
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deformation mode transition from ax
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Figure 3.8. Energy absorption of qu
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(a) (c) Figure 3.10. Deformation mo
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(a) (b) Figure 3.13. a) Schematic o
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(a) (b) (c) Figure 3.15. a) Load-di
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Figure 3.18. The crush terminology.
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The quasi-static compression behavi
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Figure 3.22. The variation of speci
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Figure 3.24. Deformation modes of e
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Figure 3.27. SEA values of empty an
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Figure 3.29. (cont.) 3.5. Motivatio
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CHAPTER 4 EXPERIMENTAL DETAILS 4.1.
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(a) (b) Figure 4.3.Pictures of a) f
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oxes are shown in Figure 4.6. The l
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Figure 4.7. The method of trigger m
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4.4. Compression Tests of Crash Box
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4.5.2. Uniaxial Compression Testing
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Table 4.1 (Cont.) G1 T3 F2 G1T3F2 3
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Table 4.2 (Cont.) G1 T2.5 WP F2 G1T
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CHAPTER 5 SIMULATION AND OPTIMIZATI
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considered in axial and transverse
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were constrained. Since the width o
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5.4. The Crashworthiness Optimizati
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great effect on the crushing behavi
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CHAPTER 6 EXPERIMENTAL RESULTS 6.1.
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Figure 6.3.Tensile stress-strain cu
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(a) (b) Figure 6.5. Sequential defo
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plate (Figure 6(b)). The trigger is
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(a) (b) Figure 6.9. Deformation seq
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Figure 6.18. (cont.) (c) (a) (b) Fi
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Figure 6.20.(cont.). (b) (c) 6.5.4.
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Figure 6.21.(cont.) (b) (c) 122
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Figure 6.22.(cont.) (c) Figure 6.23
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Figure 6.24.(Cont.) (b) (c) (a) Fig
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Figure 6.26.(cont.) (b) (c) 6.6. Dy
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Figure 6.27. (cont.) (b) (c) 130
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CHAPTER 7 MODELING RESULTS OF FOAM,
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experimental tensile stress-strain
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significant effect of weld seem ope
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Figure 7.7. Deformation photo of fi
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Figure 7.11. Deformation photos of
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(a) (b) (c) Figure 7.14. Load-displ
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7.4. Simulation of Empty and Partia
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Figure 7.16. (cont.) (c) (a) Figure
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(a) (b) Figure 7.18. Sequential def
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Figure 7.19. (cont.) (b) (c) 150
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Figure 7.20. (cont.) (c) (a) Figure
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(a) (b) Figure 7.26. Experimental a
Page 182 and 183: The constructed response surface of
Page 184: Table 8.1. R 2 , Radj 2 and RMSE va
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Page 192 and 193: where, K is a dimensionless constan
Page 194 and 195: The dynamic simulation and analytic
Page 196: Figure 9.4. (cont.) (c) (d) Figure
Page 199 and 200: Figure 9.6. (cont.) (c) (d) (a) Fig
Page 203 and 204: Equation 9.7 can also be rewritten
Page 206: (a) (b) Figure 9.10. Energy-absorbi
Page 209 and 210: Figure 9.11. (cont.) (d) The variat
Page 211 and 212: foam filling were evaluated. The re
Page 213 and 214: 13. The interaction between foam fi
Page 215 and 216: Arora, J. S.,2004,Introduction to O
Page 217 and 218: Dannemann, K. A. and Lankford, J.,
Page 219 and 220: Hall, I. W., Guden, M. and Yu, C. J
Page 221 and 222: Kim, D-K. and Lee, S., 1999, Impact
Page 223 and 224: Mamalis, A. G., Manolakos, D. E., I
Page 225 and 226: Pugsley, A. G. and Macaulay, M., 19
Page 227 and 228: T. Miyoshi, M. Itoh S. Akiyama A. K
Page 229: Zhao, H., Elnasri, I. and Girard, Y
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