NUST Institutions Library Catalogue Search for 'kw,wrdl: (su-br:"Finite element method.")'

Damage and Fracture Mechanics Failure Analysis of Engineering Materials and Structures /

Dordrecht, The Netherlands: Springer Verlag, 2009 9789048126682 (alk. paper)

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Computational Turbulent Incompressible Flow Applied Mathematics: Body and Soul 4 /

By Hoffman, Johan.. 9783540465317

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A first course in the finite element method /

By Logan, Daryl L.. Pacific Grove, CA : Brooks/Cole, 2002 . xvi, 696 p. : , http://www.amazon.com/First-Course-Finite-Element-Method/dp/0534385176/ref=sr_1_1?s=books&ie=UTF8&qid=1410002377&sr=1-1&keywords=0534385176 | Rev. ed. of: A first course in the finite element method using algor. 2000. 25 cm.. 0534385176

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Discrete mathematics with applications /

By Epp, Susanna S.. Belmont, CA : Thomson-Brooks/Cole, 2004 . xix, 775, 116, 11 p. : 27 cm.. 0534359450 (acid-free paper) | 0534490964 (international student ed.)

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Methods in computational physics by

By Bruce A Bolt. London Acadmic Press 1972 . 307:p 0124608116

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Recent Advances in Biomedical Engineering (E-Book)

By Dr Ganesh R Naik. India In-Teh 2009 . xii,660 P;

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Computational fluid dynamics /

By Chung, T. J.,. Cambridge ; | New York : Cambridge University Press, 2010 . 1034 p. : 26 cm.. 9780521769693

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Prediction versus performance in geotechnical engineering : proceedings of the symposium on prediction versus performance in geotechnical engineering, Bangkok, 30 November-4 December 1992 /

Rotterdam ; | Brookfield, VT : A.A. Balkema, 1994 . ix, 341 p. : , Proceedings of the annual Geotechnical Symposium sponsored by the Asian Institue of Technology and the Southeast Asian Geotechnical Society. 26 cm.. 9054103558

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Critical state soil mechanics via finite elements /

By Britto, A. M.. Chichester, West Sussex : | New York : E. Horwood ; | Halsted Press, 1987 . 488 p. : , Includes indexes. 25 cm.. 0853129371 :

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Accident reconstruction technology and animation 2

By Sae. USA SAE 1992 . 127P 1-56091-224-3

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Discrete mathematics with applications /

By Epp, Susanna S.. Boston, MA : Brooks/Cole, Cengage Learning, 2011 . xxii, 820: pages 27 cm.. 978-81-315-3302-4 (student ed.) | 81-315-3302-6 (student ed.)

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The finite element method for solid and structural mechanics /

By Zienkiewicz, O. C.,. . xxxi, 624 pages : 25 cm.. 9781856176347 (hbk.) | 1856176347 (hbk.)

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Numerical Investigation of Vortex Induced Vibration of Rotating Circular Cylinder in Stream Wise Direction Subject to Oscillatory Flow /

By Kashif, Muhammad. . 71p. ; 30cm..

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Design and Development of Toroidal Propeller for Drone Applications /

By Ali, Aarib Irfan . . 182p. , The demand for low-noise and ecient propulsion systems for unmanned aerial vehicles has driven research into unconventional propeller designs. One such promising conguration is the toroidal propeller, which has gained attention for its potential to reduce noise emissions while maintaining or improving aerodynamic performance. The research follows a methodology that begins with an extensive literature review and operating point selection to dene the design requirements and constraints. A validated computational setup was developed using unsteady RANS-based CFD simulations. Several toroidal propeller concepts were initially generated, out of which a baseline model was selected for further study. The baseline design was optimized using a Design of Experiments response surface methodology and obtain an optimized propeller with maximum thrust and reduced noise. Sensitivity analysis was carried out to assess the inuence of individual parameters on thrust, torque, and noise. The optimized design showed signicant improvements in thrust with considerable reduction in noise as compared to initial concepts. Aeroacoustic analysis was also performed to evaluate the noise characteristics of the toroidal conguration. Using broadband noise models, the toroidal propeller demonstrated promising reductions in tonal noise components, making it suitable for operations in noise-sensitive environments. To validate the computational ndings, experimentation validation was also performed. The optimized toroidal propeller was evaluated using ve dierent materials: ABS, PLA, PETG, CF PETG, and an Engineering Resin via Finite Element Analysis. Suitable manufacturing methods were employed and a custom test bench conguration XXII was built to test the propeller thrust and noise. The propeller was tested under controlled conditions for thrust and noise. The experimental results matched closely with the computational results and veried the validity of toroidal propelelr as viable replacement of traditional propellers for UAVs, oering advantages in both thrust and acoustic performance. The toroidal propeller showed higher value of thrust over complete range of RPM and and delivering upto 35% more thrust than traditional propeller at 15,000RPM. In addition, it also had a lower acoustic signature and was 11% quieter than the traditional propeller. The successful integration of computational design, optimization, and experimental validation demonstrates the practical potential of this novel propeller architecture. Furthermore, the research lays a foundation for future work involving transient LES acoustic modeling, in-ight testing, and applicationspecic customization of toroidal designs. 30cm.

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