Artigos em Actas de Conferências

2013

B. M. Tojo and A. C. Marta, Aero-Structural Blade Design of a High-Power Wind Turbine, AIAA 2013-1531, 9th AIAA Multidisciplinary Design Optimization Specialist Conference, Boston, Massachusetts, USA, April 2013. doi: 10.2514/6.2013-1531.

J. F. G. Coimbra and A. C. Marta, Aero-Acoustic Optimization of Airfoils for Wind Turbines, AIAA 2013-1601, 9th AIAA Multidisciplinary Design Optimization Specialist Conference, Boston, Massachusetts, USA, April 2013. doi: 10.2514/6.2013-1601.

L. M. B. C. Campos and A. C. Marta, Fundamental Bending Frequencies of Tapered Wings, AIAA 2013-1633, 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Boston, Massachusetts, USA, April 2013. doi: 10.2514/6.2013-1633.

J. Vale, F. Lau & A. Suleman 2013, Optimal control and energy balance evaluation of a morphing aircraft, 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 8-11 April 2013, Boston, USA.

L.M.B.C. Campos & M.H. Kobayashi On an Hamiltonean for sound waves in boundary layers, International Conference on Structural Engineering Dynamics, Sesimbra, 17-19 June 2013.

L.M.B.C. Campos On a law of intensity of radiation for acoustic-vortical waves, International Conference on Structural Engineering Dynamics, Sesimbra, 17-19 June 2013.

L.M.B.C. Campos & F.S.R.P. Cunha On shock waves in a chemically reacting gas, International Conference on Structural Engineering Dynamics, Sesimbra, 17-19 June 2013.

L.M.B.C. Campos & J.M.G.S. Oliveira On the effect on far-field noise of a non-uniform liner in a nozzle, International Conference on Structural Engineering Dynamics, Sesimbra, 17-19 June 2013.

L.M.B.C. Campos & J.M.G. Marques “On the relation between air traffic capacity, separation and safety”, Integration in air Transport, Ecole Nationale de L’ Aviation Civile, Toulouse, 2013.

L.M.B.C. Campos & J.M.G. Marques On wake vortex separation distances: theory compared with regulations, Integration in air Transport, Ecole Nationale de L’aviation Civile, Toulouse, 2013

L.M.B.C. Campos & F.S.R.P. Cunha “On torsional vibrations of a rod with non-equilateral triangular cross-section”, 11th International Conference on Vibration problems ICOVP-2013, Lisbon.

L.M.B.C. Campos “On a non-linear theory of buckling of elastic beams”, 11th International Conference on Vibration Problems I.COVP-2013, Lisbon.

L.M.B.C. Campos “On four types of elastic instabilities of bars”, 11th International Conference on Vibration Problems ICOVP-2013, Lisbon.

L.M.B.C. Campos & P.G.T.A. Serrão “Sound refraction by stratification and wind in an atmosphere” 17th ASC-CEAS/X-NOISE EV Workshop, Sevile, 2013.

L.M.B.C. Campos & F.S.R.P. Cunha “On the modification of the acoustic power spectra by atmospheric turbulence”. 17th ASC-CEAS/X-NOISE EV Workshop, Sevile, 2013.

L.M.B.C. Campos, A.A Fonseca & J.M.G. Oliveira “Effect of building and rough ground on airport noise”. 17th ASC-CEAS/X-NOISE EV Workshop, Sevile, 2013.

L.M.B.C. Campos, J.M.G. Marques “On runway capacity and wave vortex safe separation distance” (SSD), 3rd Sesar Innovation Days, KTH. Stockholm, 2013.

J. M. G. S. Oliveira & P. J. S. Gil, “Sound propagation in lined Ducts with Circular and Elliptical Cross Section”, XX Conference on Acoustic and Biomedical Engineering, 15-19/4/2013, Zakopane, Polónia.

J. M. G. S. Oliveira, “Recent Research on Acoustics at IST Lisbon”, XX Conference on Acoustic and Biomedical Engineering, 15-19/4/2013, Zakopane, Polónia.

L. Piedade, V. Coelho, and J. M. G. Marques (2013) "Implementation of Apron Management at Lisbon Airport. Conceptual procedure using a variable geometry principle for runway 17/35", in Proceedings of the World Conference of Air Transport Research Society (ATRS 2013),  Session 1-C: Airport Planning and Management I, Bergamo, Italy, June 26-29.

Miguel Marques, José Antunes, Vincent Debut, Coupled Modes and Time-Domain Simulations of a Twelve-String Guitar with a Movable Bridge In Proceedings of the SMAC 2013 Stockholm Music Acoustics Conference.

2012

A. C. Marta and S. Shankaran, Exploring the use of Adjoint Methods for Detailed Sensitivity Analysis on Turbomachinery. ID 377, 3rd International Conference on Engineering Optimization, Rio de Janeiro, Brazil, July 2012.

A. C. Marta, S. Shankaran, P. Venugopal, B. Barr and Q. Wang, Interpretation of Adjoint Solutios for Turbomachinery Flows. GT2012-69588, ASME Turbo Expo 2012, Copenhagen, Denmark, June 2012.

S. Shankaran and A. C. Marta, Robust Optimization for Aerodynamic Problems using Polynomial Chaos and Adjoints. GT2012-69580, ASME Turbo Expo 2012, Copenhagen, Denmark, June 2012.

E. Costa, P. Serrão, A. Ribeiro, V.. Infante,  Dynamical Analysis of Portuguese Guitar Strings, ICEM15, 15th International Conference on Experimental Mechanics.

E. Costa, P. Serrão, V,. Infante , A. Ribeiro, Experimental Characterization of Portuguese Guitar Strings Mechanical Properties, ICEM15, 15th International Conference on Experimental Mechanics.

L. M. B. C. Campos and A. C. Marta, Analytical Natural Frequencies of Tapered Wings. ICAS2012-P3.2, ICAS 2012 - 28th Congress of the International Council of the Aeronautical Sciences, Brisbane, Australia, September 2012.

L. M. B. C. Campos & F. J. P. Lau, “On sound generation by moving surfaces and convected sources in flow”, 28th International Congress of Aeronautical Sciences, Brisbane, Australia, September 2012.

L. M. B. C. Campos & J. M. G. Marques “A probability assessment of flight safety relevant to collision avoidance”, 28th International Congress of Aeronautical Sciences, Australia, September 2012.

J. Vale, F. J. P. Lau & A. Suleman, “Static and Dynamic Analysis and Comparison of Fixed and Morphing Wing Equipped UAV Aircraft: Optimal Control Calculation and Energy Estimates Evaluation”, 3rd Aircraft Structural Design Conference, 9 – 11 October 2012, Delft University, The Netherlands.

Luís Reis, Bernardo Lourenço, Filipe Cunha, “Damage Tolerance Design”, 3rd Aircraft Structural Design Conference, 9-11 October 2012, Delft University, The Netherlands

Filipe Cunha, Pedro Albuquerque, Luís Reis, “Evaluation of Structural loads”, 3rd Aircraft Structural Design Conference, 9-11 October 2012, Delft University, The Netherlands.

J. Vale, F. J. P. Lau & A. Suleman, “Energy Balance Studies on Aircraft Morphing Technologies”, AVT-209 Workshop on “Energy Efficient Technologies and Concepts of Operation”, 22-24 October 2012, Lisbon, Portugal.

2011

F. CUNHA, "Helicopter Operations in Portugal'', American Helicopter Society 67th Annual Forum, Virginia Beach, VA, May 3-5, 2011.

L.M.B.C. CAMPOS & J.M.G. OLIVEIRA, “On the acoustic modes in a duct containing a parabolic shear flow”, 18th International Congress of Sound and Vibration, Rio de Janeiro, July 2011.

L.M.B.C. CAMPOS & F.J.P. LAU, “On sound generation by moving surfaces”, 18th International Congress of Sound and Vibration, Rio de Janeiro, July 2011.

L.M.B.C. CAMPOS & F.S.R.P. CUNHA, “On the power spectra of sound transmitted through turbulence”, 18th International Congress of Sound and Vibration, Rio de Janeiro, July 2011.

L.M.B.C. CAMPOS & F.J.P. LAU, “On propeller acoustic design synthesis with application to angular inflow”, 18th International Congress of Sound and Vibration, Rio de Janeiro, July 2011.

2010

L.M.B.C. CAMPOS & M.H.KOBAYASHI "On the propagation of sound in a sheared and swirling flow". 16 th AIAA/CEAS Aeroacustics conference, 7-9 June Stockhlom.

L.M.B.C. Campos & P.G.T.A. Serrão, ``On the continuors spectrum of sound in sheared and swirlingflows'', 16 th AIAA/CEAS Aeroacustics conference, 7-9 June, Stockhlom.

 

L.M.B.C. CAMPOS & F.S.R.P. CUNHA "Acoustic signal distorsion by atmospheric turbulence", Internoise 2010, Lisbon 13-16 June 2010.

 

L.M.B.C. Campos & P.G.T.A. Serrão, "Effect of wind on noise propagation", Internoise 2010, 13-16 June, Lisbon.

 

L.M.B.C. Campos & P.G.T.A. Serrão, "Outdoor to indoor transmission of aircraft noise", Internoise 2010, 10-13 June, Lisbon.

 

L.M.B.C. CAMPOS & F.J.P. LAU. "Shielding of engine noise by aircraft structure", Internoise 2010, 13-16 Jun. 2010.

 

L.M.B.C. CAMPOS & A.R.A FONSECA. "Building effects on airport noise", Internoise 2010 Lisboa, 13-16 June 2010.

 

João Manuel Gonçalves de Sousa Oliveira, Paulo Jorge Soares Gil, ``Propagation of sound in ducts with elliptical cross-section and lined walls'', 39th International Congress and Exposition on Noise Control Engineering: Inter-Noise 2010, 10-13 June 2010, Lisbon.

 

Luis Manuel Braga da Costa Campos, João Manuel Gonçalves de Sousa Oliveira, ``Ground Effects on Helicopter Noise'', 39th International Congress and Exposition on Noise Control Engineering: Inter-Noise 2010, 10-13 June 2010, Lisbon.

 

L.M.B.C. Campos & P.G.T.A. Serrão, "On the discrete and continuous spectrum of waves in a sheared and swirling flows". 16th European Conference on Mathematics for Industry, July 26-30, Wuppertal.

 

L.M.B.C. CAMPOS & F.S.R.P. CUNHA "On the distorsion of acoustic spectra due to propagation through turbulence". 16th European Conference on Mathematics for Industry, July 26-30, Wuppertal.

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L.M.B.C. CAMPOS & J.M.G. MARQUES "On aircraft separation, navigation accuracy and airways". 16th European Conference on Mathematics for Industry, July 26-30, Wuppertal.

 

L.M.B.C. CAMPOS "On the torsion of a prism with non-equilateral cross-section". 16th European Conference on Mathematics for Industry, July 26-30, Wuppertal.

 

L.M.B.C.CAMPOS & J.M.G. MARQUES "On safe separation distances between aircraft due to turbulent wakes", 16th European Conference on Mathematics for Industry, July 26-30, Wuppertal.

 

L.M.B.C.CAMPOS & J.M.G. MARQUES "On the minimization of trim drag for aircraft with multiple control surfaces", 16th European Conference on Mathematical for Industry, July 26-30, Wuppertal.

 

L.M.B.C. CAMPOS "On generation of magneto-acoustic-gravity-inertial waves in stars". Joint European and National Meeting in Astronomy, September 6-10, Lisbon.

 

L.M.B.C. CAMPOS "Relations between properties of magnetic and rotating stars". Joint European and National Meeting in Astronomy, September 6-10, Lisbon.

 

L.M.B.C. CAMPOS "On Alfvén waves in the solar wind". Joint European and National Meeting in Astronomy, September 6-10, Lisbon.

 

A. C. Marta, S. Shankaran and A. Stein, "Blade Shape Optimization using a RANS Discrete Adjoint Solver". ID 1410 , 2nd International Conference on Engineering Optimization, IST, Lisbon, Portugal. September 2010.

 

J. VALE, A. SULEMAN & F.J.P. LAU "Development of Camber Morphing Capability in a Telescopic Morphing Wing", EngOpt2010 2nd International Conference On Engineering Optimization, 6 - 9 September 2010, Lisbon.

 

L.M.B.C. CAMPOS & J.M.G. MARQUES. "On three-dimensional collision probabilities relevant to air traffic management", 27th International Congress of Aeronautical Sciences, 19-24 September, Nice.

 

L.M.B.C. CAMPOS & M.H. KOBAYASHI "On the propagation of sound in high-speed non-isothermal shear flows", 27th International Congress of Aeronautical Sciences, 19-24 September, Nice

 

L.M.B.C. CAMPOS & J.M.G. MARQUES. "On maximization of control power in low-speed flight for a flying wing configuration", 27th International Congress of Aeronautical Sciences 19-24 September, Nice.

 

L.M.B.C. CAMPOS & F.J.P. LAU "On the generation of sound by moving surfaces in a potential flow", 14th Confederation of European Aeronautics Society - Aeroacoustics Sub-Committee (CEAS-ASC) Workshop, October 7-8, Warsaw.

 

Rocha, J., A. Suleman, and F. Lau, "Prediction of Turbulent Flow-Induced Noise in Aircraft Cabins," Proceedings of the ASME 2010 International Mechanical Engineering Congress and Exposition (IMECE 2010), Vancouver, BC, Canada, November 12-19, 2010.

 

Rocha, J., A. Suleman, and F. Lau, "Flow-induced Noise in Aircraft Cylindrical Cabins: Analytical Model Validation," Proceedings of the 39th International Congress and Exposition on Noise Control Engineering (INTER-NOISE 2010), Lisbon, Portugal, June 13-16, 2010; also presented at the Canadian Acoustical Association Symposium 2010 Proceedings - Acoustic Week in Canada, Victoria, B.C., Canada, October 13-15, 2010.

 

Rocha, J., A. Suleman, and F. Lau, "An Accurate Coupled Structural -Acoustic Analytical Framework for the Prediction of Random and Flow-Induced Nosie in Transport Vehicles: Its Validation," Canadian Acoustical Association Symposium 2010 Proceedings - Acoustic Week in Canada, Niagara-on-the-Lake, ON, Canada, October 14-16, 2010.

 

Rocha, J., A. Suleman, and F. Lau, "Turbulent Flow-Induced Noise in the Cabin of a BWB Aircraft," Proceedings of the Canadian Society for Mechanical Engineering Forum 2010 (CSME 2010), Victoria, BC, Canada, June 7-9, 2010.

2009

``Aerodynamic Analysis of Helicopter Rotors: Implementation and Validation'', Luís Daniel Cruz, Filipe Szolnoky Ramos Pinto Cunha, AIAA-Pegasus Student Conference, Toulouse (France), 12-13 March, 2009.

A. A. Gomes, F. J. P. Lau & D. Sousa 2009, ``Optimization for The Attenuation Of Flow Induced Vibration Of A Fuselage Plate'', 8th World Congress on Structural and Multidisciplinary Optimization, Lisbon,  Portugal, 1-5 June 2009.

M. Neves, F. Mendonça, F. J. P. Lau, S. Gerges & J. B. Coelho 2009, ``On The Effect Of Undamped Frequency Maximization For The Turbulent Flow-Induced Vibrations Of A Viscoelastically Supported Plate'', 8th World Congress on Structural and Multidisciplinary Optimization, Lisbon, Portugal, 1-5 June 2009.

``UCAV: A Technology Assessment Project as a Complex Problem Case Study'', Manuel Jose Moreira de Freitas, Filipe Szolnoky Ramos Pinto Cunha, António Manuel Relógio Ribeiro, Jose Raul Carreira Azinheira, Rui de Carvalho, José Cabrita Freitas, Massimo Avalle, Second International Symposium on Engineering Systems MIT, Cambridge, Massachusetts, USA, June 15-17, 2009.

``Technology Needs for Autonomous Multi-Vehicle UCAV Missions'', Massimo Avalle, Filipe Szolnoky Ramos Pinto Cunha, Jaap Doornbos, Alfonso Jimenez-Enriquez, Giorgio Leonardi, 30 June--2 July 2009, SCI-202 SYMPOSIUM ON Intelligent Uninhabited Vehicle Guidance Systems.

L. M. B. C. Campos & P. G. T. A. Serrão ``On the scattering of sound by functions of bent and twisted
tubes'', 16th International Congress of Sound and Vibration, 5-9 July 2009, Krakow.

L. M. B. C. Campos & P. G. T. A. Serrão ``On the discrete and continuous Spectrum  of waves in a sheared swirling inhomogeneous flow'', 16th International Congress of Sound and Vibration, 5-9 July 2009, Krakow.

J. M. G. S. Oliveira, "Acoustics of annular ducts with impedance walls", 16th International Congress of Sound and Vibration, 5-9 July 2009, Krakow, Poland.

L. Vargas, D. Rodrigues, J. M. G. S. Oliveira, F. J. P. Lau, "Development of a Wind Turbine Noise prediction Model", 7th EUROMECH Solid Mechanics Conference, 7-11 September 2009, IST, Lisbon, Portugal.

``Structural Vibroacustic Analysis Methodology. Wind Tunnel Case Study'', Filipe Cunha, Mihail Fontul, António Ribeiro, and Alice Sousa, IRF'2009 -- 3rd International Conference on Integrity, Reliability & Failure, Porto, 20-24 July 2009.


``A Broader View to Helicopters: An Engineering Systems Approach'', Filipe Szolnoky Ramos Pinto Cunha, António Manuel Relógio Ribeiro, AHS International Specialists Meeting on Systems Engineering, October 15-16, 2009, Hartford, Connecticut, USA.

2008

L. M. B. C. Campos, J. M. G. Marques "On alternative safety metrics for the probability of collision between aircraft", European Congress of Mathematics for Industry ECMI 2008 University College, London. June 2008.

L. M. B. C. Campos "On the trajectories of transatmospheric vehicles", European Congress of Mathematics for Industry ECMI 2008 University College, London. June 2008.

L. M. B. C. Campos, P.G.T.A. Serrão "On sound propagation and generation with non-uniform swirl", European Congress of Mathematics for Industry ECMI 2008 University College, London. June 2008.

L. M. B. C. Campos, J. M. G. Marques "On aircraft response and control during a wake encounter", European Congress of Mathematics for Industry ECMI 2008 University College, London. June 2008.

L. M. B. C. Campos, P. J. S. Gil (2008). ``On the Trajectory of Rockets in the Atmosphere'', Proceedings of the The European Consortium For Mathematics In Industry -- ECMI 2008, June 30 -- July 4, 2008, University College, London, UK.

F. Lau, J. Oliveira (2008), ``Acoustics of Low Mach Number Nozzles with Area Expansions'', Acoustics'08, Paris, 29 June -- 4 July 2008. Euronoise Session: NS07/3 - Aeroacoustics.

L. M. B. C. Campos, P. J. S. Gil "On noise shielding by conical surfaces", NACRE 2nd Workshop an new aircraft concepts, Greenwich University. July 2008.

L. M. B. C. Campos, J. M. G. Marques  "On cruise trim with minimum drag", NACRE 2nd Workshop an new aircraft concepts, Greenwich University. July 2008.

P. J. S. Gil, J. Schwartz (2008). ``Quasi-Synchronous Orbits Around Phobos in the Context of a Phobos Sample Return Mission'', AIAA/AAS Astrodynamics Specialist Conference and Exhibit 2008, 18 - 21 Aug, 2008, Honolulu, Hawaii, USA. AIAA-2008-6429.

F.J.P. Lau and A.A. Gomes. ``Attenuation of the Flow Induced Vibration of a Plate by Topology Optimization of the Properties of the Supports'', The Ninth International Conference on Computational Structures Technology & The Sixth International Conference on Engineering Computational Technology, 2-5 September 2008, Athens - Greece.

B. Rocha, A. Fonseca, A. Suleman, "On the development of methods and techniques for aircraft Structural Health Monitoring", 26th Congress of the International Council of the Aeronautical Sciences, ICAS 2008, Anchorage, Alaska, USA, September 2008.

L. M. B. C. Campos, J. M. G. Marques "On the minimization of cruise dray due to pitch trim for flying-wing configuration", International Congress of Aeronautical Sciences ICAS 2008 Anchorage, Alaska. September 2008

L. M. B. C. Campos, J. M. G. S  Oliveira "On the effects on noise of sound reflection and atmospheric absorption", International Congress of Aeronautical Sciences ICAS 2008 Anchorage, Alaska. September 2008.

L. M. B. C. Campos, J. M. G. Marques "On the probability of collision for climbing and descending trajectories relevant to air traffic management", International Congress of Aeronautical Sciences ICAS 2008 Anchorage. September 2008.

Fernando J. P. Lau, Alexandra A. Gomes "Topology Optimization for the Attenuation of Flow Induced Vibration of a Plate", 12th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 10--12 Sep 2008, Fairmont Empress Hotel and Victoria Conference Centre, Victoria, British Columbia, Canada.

L. M. B. C. Campos "On sound generation in axisymmetric sheared and swirling mean flow, 12th CEAS-ASC & 3rd X3-Noise workshop on "Turbomachinery broadbond noise" Bilbao, Spain. October 2008.

Christophe, B., Foulon, B., Levy, A., Anderson, J. D., Sumner, T. J., Bertolami, O., Gil, P., Páramos, J.,
Progrebenko, S. V.,  Gurtvis, L., Reynaud, S., Courty, J.-M.., Asmar, S. W., Métris, G., Bério, P., Bingham, R., Kent, B., Olsen, O., Andersen, P. H., Dittus, H., Lämmerzahl, K., Theil, S., Rievers, B., Bremer, S., 2008. "Gravity Advanced Package, an accelerometer package for Laplace or Tandem missions",  Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, Eds.: C. Charbonnel, F. Combes \& R. Samadi. SF2A-2008, 103-106. http://proc.sf2a.asso.fr