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| 1 | Advantages of a Biomimetic Stiffness Profile in Pitching Flexible Fin Propulsion显示文摘The use of oscillating flexible fins in propulsion has been the subject of several studies in recent years, but attention israrely paid to the specific role of stiffness profile in thrust production.Stiffness profile is defined as the variation in localchordwise bending stiffness (EI) of a fin, from leading to trailing edge.In this study, flexible fins with a standard NACA0012shape were tested alongside fins with a stiffness profile mimicking that of a Pumpkinseed Sunfish (Lepomis gibbosus).The finswere oscillated with a pitching sinusoidal motion over a range of frequencies and amplitudes, while torque, lateral force andstatic thrust were measured.Over the range of oscillation parameters tested, it was shown that the fin with a biomimetic stiffness profile offered a significantimprovement in static thrust, compared to a fin of similar dimensions with a standard NACA0012 aerofoil profile.Thebiomimetic fin also produced thrust more consistently over each oscillation cycle.A comparison of fin materials of different stiffness showed that the improvement was due to the stiffness profile itself, andwas not simply an effect of altering the overall stiffness of the fin.Fins of the same stiffness profile were observed to follow thesame thrust-power curve, independent of the stiffness of the moulding material.Biomimetic fins were shown to produce up to26% greater thrust per watt of input power, within the experimental range. | Paul Riggs Adrian Bowyer Julian Vincent | 2010 | Journal of Bionic Engineering2010，7，2： | 4 |
| 2 | Development and evaluation of a cloud-gap-filled MODIS daily snow-cover product显示文摘 | Dorothy K. Hall George A. Riggs James L. Foster Sujay V. Kumar | 2009 | Remote Sensing of Environment2009，，3： | 2 |
| 3 | Development of methods for mapping global snow cover using moderate resolution imaging spectroradiometer data显示文摘 | Dorothy K. Hall George A. Riggs Vincent V. Salomonson | 1995 | Remote Sensing of Environment1995，，2： | 2 |
| 4 | Impact of institution of a stroke program upon referral bias at a rural academic medical center显示文摘 | Riggs JE Libell DP Brooks CE | 2005 | J Rural Health2005，21，3： | 1 |
| 5 | DNA methylation and gene function显示文摘 | Razin A Riggs A | 1980 | Science1980，210，4470： | 1 |
| 6 | Cellular and molecular mechanisms of radiation inhibition of restenosis 显示文摘 | Rubin P Williams JP Riggs PN | 1998 | Int J Radiat Oncol Biol Phys1998，40，： | 1 |
| 7 | DNA methylation and demethylation in mammals 显示文摘 | Chen ZX Riggs AD | 2011 | J Biol Chem2011，286，18： | 1 |
| 8 | Does storage time influence post- thaw survival and pregnancy outcome? An analysis of 11 768 cryo- preserved human embryos显示文摘 | Riggs R Mayer J Chi TF | 2010 | Fertil Steril2010，93，1： | 1 |
| 9 | Ablative laser resurfacing: high energy pulsed carbon dioxide and erbium: yttrium-aluminum-garnet 显示文摘 | Riggs K Keller M Humphreys TR | 2007 | Clin Dermatol2007，25，5： | 1 |
| 10 | A bone structural basis for fracture risk in diabetes显示文摘 | Melton LJ Riggs BL Leibson C | 2008 | J Clin Endocrinol Metab2008，93，： | 1 |
| 11 | Characterization of donor-directed antibody class in the post-transplant period using flow cytometry in renal transplantation显示文摘 | K. A. Al-Hussein B. K. Shenton A. Bell D. Talbot K. R. Clark K. M. Rigg J. L. R. Forsythe G. Proud R. M. R. Taylor | 1994 | Transplant International1994，，3： | 1 |
| 12 | Role of RANK ligand in mediating increased bone resorption in early postmenopausal women显示文摘 | Eghbali-Fatourechi G Khosla S Sanyal A Boyle WJ Lacey DL Riggs BL | | 0，，： | 1 |
| 13 | Strong lu ninescence of solubilized carbon nanotubes显示文摘 | Riggs J E Guo Z X Carroll D I | | 0，，： | 1 |
| 14 | Parietal occipital edema in hypertension and encephalopathy : a pathogenic mechanism 显示文摘 | Sheth RD Riggs JE Bodenstenier JB | 1996 | Eur Neurol1996，36，1： | 1 |
| 15 | Further comments on CIEDE2000显示文摘 | Luo M R Cui G Rigg B | 2002 | Color Res2002，27，2： | 1 |
| 16 | Estradiol stimu- lates transcription of nuclear respiratory factor-1 and increases mitochondrial biogenesis显示文摘 | Mattingly KA Ivanova MM Riggs KA | 2008 | Mol Endoerinol2008，22，3： | 1 |
| 17 | Clinical review144:Estrogen and the male skeleton显示文摘 | Khosla S Melton L J Riggs B L | 2002 | J Clin Endocrinol Metab2002，87，4： | 1 |
| 18 | Colour-difference evaluation using CRT colours ( part I) : data gathering 显示文摘 | CUI G LUO M R RIGG B | 2001 | Color Research & Application2001，26，5： | 1 |
| 19 | The worldwide problem of osteoporosis: insights afforded by epidemiology显示文摘 | Riggs BL Melton LJ 3rd | 1995 | Bone1995，17，5： | 1 |
| 20 | Polymer for fibers and elastomers 显示文摘 | D M Riggs | 1984 | ACS symposium series1984，260，： | 1 |
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