Maria Bayard Dühring - Solid Mechanics

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64 References [67] K. Svanberg, “The method of moving asymptotes - a new method for structural optimization,” Int. J. Numer. Meth. Engng, vol. 24, pp. 359–373, 1987. [68] O. Sigmund, “Morphology-based black and white filters for topology optimization,” Struct. Multidisc. Optim., vol. 33, pp. 401–424, 2007. [69] D. N. May and M. M. Osman, “Highway noise barriers: new shapes,” J. Sound Vib., vol. 71, no. 1, pp. 73–101, 1980. [70] D. A. Hutchins, H. W. Jones, and L. T. Russell, “Model studies of barrier performance in the presence of ground surfaces. Part II - Different shapes,” J. Acoust. Soc. Am., vol. 75, no. 6, pp. 1817–1826, 1984. [71] D. C. Hothersall, S. N. Chancler-Wilde, and M. N. Hajmirzae, “Efficiency of single noise barriers,” J. Sound Vib., vol. 146, no. 2, pp. 303–322, 1991. [72] K. Fujiwara, D. C. Hothersall, and C. Kim, “Noise barriers with reactive surfaces,” Applied Acoustics, vol. 53, no. 4, pp. 255–272, 1998. [73] A. Habbal, “Nonsmooth shape optimization applied to linear acoustics,” SIAM J. Optim., vol. 8, no. 4, pp. 989–1006, 1998. [74] M. B. <strong>Dühring</strong>, “Topology optimization of acoustic problems,” in M.P. Bendsøe, N. Olhoff, O. Sigmund (Eds.), IUTAM Symposium on Topological Design Optimization of Structures, Machines and Materials: Status and Perspectives, Springer, Netherlands, 2006. [75] T. A. Birks, P. J. Roberts, P. S. J. Russell, D. M. Atkin, and T. J. Shepherd, “Full 2-D photonic bandgaps in silica/air structures,” Electron. Lett., vol. 31, no. 22, pp. 1941–1943, 1995. [76] S. E. Barkou, J. Broeng, and A. Bjarklev, “Silica-air photonic crystal fiber design that permits waveguiding by a true photonic bandgap effect,” Opt. Lett., vol. 24, no. 1, pp. 46–48, 1999. [77] D. Torres, O. Weisberg, G. Shapira, C. Anastassiou, B. Temelkuran, M. Shurgalin, S. A. Jacobs, R. U. Ahmad, T. Wang, U. Kolodny, S. M. Shapshay, Z. Wang, A. K. Devaiah, U. D. Upadhyay, and J. A. Koufman, “OmniGuide photonic bandgap fibers for flexible delivery of CO2 laser energy for laryngeal and airway surgery,” Proc. of SPIE, vol. 5686, pp. 310–321, 2005. [78] P. J. Roberts, F. Couny, H. Sabert, B. J. Mangan, D. P. Williams, L. Farr, M. W. Mason, A. Tomlinson, T. A. Birks, J. C. Knight, and P. S. J. Russell, “Ultimate low loss of hollow-core photonic crystal fibres,” Opt. Exp., vol. 13, no. 1, pp. 236–244, 2005.
References 65 [79] J. Hu and C. R. Menyuk, “Use of fingers in the core to reduce leakage loss in air-core photonic bandgap fibers,” in Proc. of OFC/NFOEC, 2007. [80] T. Murao, K. Saitoh, and M. Koshiba, “Structural optimization of air-guiding photonic bandgap fibers for realizing ultimate low loss waveguides,” J. Lightwave tech., vol. 26, no. 12, pp. 1602–1612, 2008. [81] V. Laude, H. Moubchir, L. Robert, W. Daniau, A. Khelif, and S. Ballandras, “Surface acoustic wave trapping in a periodic array of high aspect ratio electrodes,” in Proc. of 2006 IEEE Ultrasonics Symposium, Vancouver, British Columbia, Canada, pp. 497–500, 2006. [82] V. Laude, A. Khelif, T. Pastureaud, and S. Ballandras, “Generally polarized acoustic waves trapped by high aspect ratio electrode gratings at the surface of a piezoelectric material,” J. Appl. Phys., vol. 90, no. 5, pp. 2492–2497, 2001. [83] V. Laude, L. Robert, W. Daniau, A. Khelif, and S. Ballandras, “Surface acoustic wave trapping in a periodic array of mechanical resonators,” Appl. Phys. Lett., vol. 89, p. 083515, 2006. [84] D. B. Carstensen, T. A. Christensen, and M. Willatzen, “Surface Acoustic Wave (SAW) Generation in Wurtzite and Zincblende Piezoelectric Materials.,” in Proc. of the Nordic COMSOL Conference, Lyngby, Denmark, 2006. [85] D. B. Carstensen, T. A. Christensen, M. Willatzen, and P. V. Santos, “Modeling of gallium arsenide surface acoustic wave devices,” Electronic Journal, Technical Acoustics, no. 19, pp. 1–13, 2007. [86] M. Huang, “Stress effects on the performance of optical waveguides,” Int. J. <strong>Solid</strong>s Struct., vol. 40, pp. 1615–1632, 2003. [87] M. M. de Lima Jr., F. Alsina, W. Seidel, and P. Santos, “Focusing of surfaceacoustic-wave fields on (100) GaAs surfaces,” J. Appl. Phys., vol. 94, no. 12, pp. 7848–7855, 2003. [88] J. K. Guest, “Multiphase length scale control in topology optimization,” in Proceedings of the 8th World Congress of Structural and Multidisciplinary Optimization, (Lisbon, Portugal), 2009. [89] O. Sigmund, “Manufacturing tolerant topology optimization,” Struct. Multidisc. Optim., vol. 25, pp. 227–239, 2009.
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Optimization of acoustic, optical a
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Title of the thesis: Optimization o
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Resumé (in Danish) Forskningsomr˚
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Publications The following publicat
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vi Contents 6 Design of acousto-opt
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2 Chapter 1 Introduction waves. The
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4 Chapter 2 Time-harmonic propagati
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10 Chapter 2 Time-harmonic propagat
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12 Chapter 3 Topology optimization
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Page 70 and 71: 60 References [14] E. Yablonovitch,
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083529-4 M. B. Dühring and O. Sigm
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Publication [P5] Design of acousto-
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Figure 1: The geometry used in the
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where ˜pijkl are the rotated strai
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where ∂Φ ∂w R 2,n − i ∂Φ
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Figure 3: The distribution of the o
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[12] J.S. Jensen and O. Sigmund, To
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Energy storage and dispersion of su
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093504-3 Dühring, Laude, and Kheli
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093504-5 Dühring, Laude, and Kheli
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Publication [P7] Improving surface
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FIG. 1: The geometry of the acousto
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finer mesh. For the coupled model i
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FIG. 4: Results for the finite mode
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FIG. 6: Results for the acousto-opt
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Suzuki, A. Onoe, T. Adachi and K. F
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Maria Bayard Dühring - Solid Mechanics

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