| Year |
Citation |
Score |
| 2020 |
Huang D, Friedmann PP. An aerothermoelastic analysis framework with reduced-order modeling applied to composite panels in hypersonic flows Journal of Fluids and Structures. 94: 102927. DOI: 10.1016/J.Jfluidstructs.2020.102927 |
0.439 |
|
| 2018 |
Singh P, Friedmann PP. A Computational Fluid Dynamics Based Viscous Vortex Particle Method for Coaxial Rotor Interaction Calculations Journal of the American Helicopter Society. 496-503. DOI: 10.4050/Jahs.63.042002 |
0.337 |
|
| 2018 |
Rokita T, Friedmann PP. Multifidelity coKriging for High-Dimensional Output Functions with Application to Hypersonic Airloads Computation Aiaa Journal. 56: 3060-3070. DOI: 10.2514/1.J056620 |
0.359 |
|
| 2017 |
Chia MH, Padthe AK, Duraisamy K, Friedmann PP. An Efficient Approach for the Simulation and On-Blade Control of Helicopter Noise and the Impact on Vibration Journal of the American Helicopter Society. 62: 1-15. DOI: 10.4050/Jahs.62.042004 |
0.746 |
|
| 2017 |
Padthe AK, Friedmann PP, Prasad JVR. High-Fidelity Linear Time-Invariant Models for Higher Harmonic Closed-Loop Rotor Control Studies Journal of the American Helicopter Society. 62: 1-15. DOI: 10.4050/Jahs.62.012003 |
0.741 |
|
| 2017 |
Singh P, Friedmann PP. Application of Vortex Methods to Coaxial Rotor Wake and Load Calculations in Hover Journal of Aircraft. 55: 373-381. DOI: 10.2514/1.C034520 |
0.373 |
|
| 2017 |
Chia MH, Duraisamy K, Padthe AK, Friedmann PP. Active and Passive Helicopter Noise Reduction Using the AVINOR/HELINOIR Code Suite Journal of Aircraft. 55: 727-740. DOI: 10.2514/1.C034519 |
0.751 |
|
| 2016 |
Padthe AK, Friedmann PP, Chia MH, Liu L. Comprehensive Numerical Assessment of Rotorcraft Vibration and Noise Control Using Microflaps Journal of Aircraft. 53: 1113-1130. DOI: 10.2514/1.C033448 |
0.778 |
|
| 2016 |
Muir ER, Friedmann PP. Forced and aeroelastic responses of bird-damaged fan blades: A comparison and its implications Journal of Aircraft. 53: 561-577. DOI: 10.2514/1.C033424 |
0.386 |
|
| 2015 |
Padthe AK, Friedmann PP. Simultaneous blade-vortex interaction noise and vibration reduction in rotorcraft using microflaps, including the effect of actuator saturation Journal of the American Helicopter Society. 60. DOI: 10.4050/Jahs.60.042002 |
0.762 |
|
| 2015 |
Lamorte N, Friedmann PP, Dalle DJ, Torrez SM, Driscoll JF. Uncertainty propagation in integrated airframe-propulsion system analysis for hypersonic vehicles Journal of Propulsion and Power. 31: 54-68. DOI: 10.2514/1.B35122 |
0.765 |
|
| 2015 |
Padthe AK, Friedmann PP, Lopez M, Prasad JVR. Analysis of high-fidelity reduced-order linearized time-invariant helicopter models for integrated flight and on-blade control applications 41st European Rotorcraft Forum 2015, Erf 2015. 1: 638-658. |
0.762 |
|
| 2014 |
Friedmann PP. On-blade control of rotor vibration, noise, and performance: Just around the corner? The 33rd Alexander Nikolsky honorary lecture Journal of the American Helicopter Society. 59. DOI: 10.4050/Jahs.59.041001 |
0.454 |
|
| 2014 |
Gogulapati A, Friedmann PP, Martins JRRA. Optimization of flexible flapping-wing kinematics in hover Aiaa Journal. 52: 2342-2354. DOI: 10.2514/1.J053083 |
0.774 |
|
| 2014 |
Lamorte N, Friedmann PP. Hypersonic aeroelastic and aerothermoelastic studies using computational fluid dynamics Aiaa Journal. 52: 2062-2078. DOI: 10.2514/1.J053018 |
0.8 |
|
| 2014 |
Vandenheede RBR, Bernal LP, Morrison CL, Gogulapati A, Friedmann PP, Kang CK, Shyy W. Experimental and computational study on flapping wings with bio-inspired hover kinematics Aiaa Journal. 52: 1047-1058. DOI: 10.2514/1.J052644 |
0.752 |
|
| 2014 |
Gogulapati A, Friedmann PP. Approximate aerodynamic and aeroelastic modeling of flapping wings in forward flight Aiaa Journal. 52: 212-218. DOI: 10.2514/1.J052596 |
0.796 |
|
| 2014 |
Lamorte N, Friedmann PP, Glaz B, Culler AJ, Crowell AR, McNamara JJ. Uncertainty propagation in hypersonic aerothermoelastic analysis Journal of Aircraft. 51: 192-203. DOI: 10.2514/1.C032233 |
0.785 |
|
| 2014 |
Friedmann PP, Lamorte N. Aeroelastic and aerothermoelastic behavior of a hypersonic vehicle control surface 54th Israel Annual Conference On Aerospace Sciences 2014. 2: 783-812. |
0.329 |
|
| 2014 |
Padthe AK, Friedmann PP. Closed-loop fidelity assessment of linear time-invariant helicopter models for rotor and flight control interaction studies 40th European Rotorcraft Forum 2014. 2: 1253-1268. |
0.756 |
|
| 2014 |
Padthe AK, Friedmann PP, Bagnoud FX, Prasad JVR. High fidelity linear time-invariant models for rotor and flight control interaction studies American Helicopter Society International - 5th Decennial Ahs Aeromechanics Specialists' Conference 2014: Current Challenges and Future Directions in Rotorcraft Aeromechanics. 230-254. |
0.746 |
|
| 2014 |
Chia MH, Padthe AK, Friedmann PP, Bagnoud FX. A parametric study of on-blade control device performance for helicopter vibration and noise reduction Annual Forum Proceedings - Ahs International. 2: 1580-1594. |
0.713 |
|
| 2013 |
Gogulapati A, Friedmann PP, Martins JRRA. Optimization of the kinematics of a flapping wing MAV in hover for enhanced performance Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. DOI: 10.2514/6.2013-1646 |
0.771 |
|
| 2013 |
Glaz B, Friedmann PP, Liu L, Cajigas JG, Bain J, Sankar LN. Reduced-order dynamic stall modeling with swept flow effects using a surrogate-based recurrence framework Aiaa Journal. 51: 910-921. DOI: 10.2514/1.J051817 |
0.692 |
|
| 2013 |
Gogulapati A, Friedmann PP, Kheng E, Shyy W. Approximate aeroelastic modeling of flapping wings in hover Aiaa Journal. 51: 567-583. DOI: 10.2514/1.J051801 |
0.79 |
|
| 2013 |
Padthe AK, Friedmann PP, Bernstein DS, Bagnoud FX. Retrospective cost adaptive control for helicopter vibration reduction Annual Forum Proceedings - Ahs International. 2: 1263-1278. |
0.709 |
|
| 2013 |
Vandenheede RBR, Bernal LP, Morrison CL, Gogulapati A, Friedmann PP, Kang CK, Shyy W. Comparison of experiments on bio-inspired hover kinematics with the unsteady vortex model and CFD 51st Aiaa Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition 2013. |
0.745 |
|
| 2013 |
Muir ER, Friedmann PP. Unsteady aerodynamic loading on bird-damaged fan blades and its effect on forced response Ifasd 2013 - International Forum On Aeroelasticity and Structural Dynamics. |
0.307 |
|
| 2012 |
Glaz B, Liu L, Friedmann PP, Bain J, Sankar LN. A surrogate-based approach to reduced-order dynamic stall modeling Journal of the American Helicopter Society. 57. DOI: 10.4050/Jahs.57.022002 |
0.703 |
|
| 2012 |
Muir ER, Liu L, Friedmann PP, Kumar D. Effect of piezoceramic actuator hysteresis on helicopter vibration and noise reduction Journal of Guidance, Control, and Dynamics. 35: 1299-1311. DOI: 10.2514/1.53911 |
0.439 |
|
| 2012 |
Ng WH, Friedmann PP, Waas AM. Thermomechanical behavior of a damaged thermal protection system: Finite-element simulations Journal of Aerospace Engineering. 25: 90-102. DOI: 10.1061/(Asce)As.1943-5525.0000111 |
0.332 |
|
| 2012 |
Padthe AK, Friedmann PP, Bernstein DS. Actuator saturation in individual blade control of rotorcraft 53rd Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference 2012. |
0.7 |
|
| 2012 |
Friedmann PP, Bagnoud FX, Padthe AK. Vibration and noise alleviation in rotorcraft using on-blade control implemented by microflaps 38th European Rotorcraft Forum 2012, Erf 2012. 2: 1123-1146. |
0.743 |
|
| 2012 |
Friedmann PP, Padthe AK. BVI noise and vibration reduction in rotorcraft using microflaps 52nd Israel Annual Conference On Aerospace Sciences 2012. 2: 910-938. |
0.745 |
|
| 2012 |
Padthe AK, Friedmann PP, Bagnoud FX. Simultaneous BVI noise and vibration reduction in rotorcraft using microflaps including the effect of actuator saturation Annual Forum Proceedings - Ahs International. 2: 1316-1338. |
0.744 |
|
| 2011 |
Liu L, Padthe AK, Friedmann PP, Quon E, Smith MJ. Unsteady aerodynamics of an airfoil/flap combination on a helicopter rotor using computational fluid dynamics and approximate methods Journal of the American Helicopter Society. 56. DOI: 10.4050/Jahs.56.032003 |
0.793 |
|
| 2011 |
Gogulapati A, Friedmann PP. Approximate aerodynamic and aeroelastic modeling of flapping wings in hover and forward flight Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. DOI: 10.2514/6.2011-2008 |
0.785 |
|
| 2011 |
Padthe AK, Liu L, Friedmann PP. Numerical evaluation of microflaps for on blade control of noise and vibration Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. DOI: 10.2514/6.2011-1873 |
0.762 |
|
| 2011 |
McNamara JJ, Friedmann PP. Aeroelastic and aerothermoelastic analysis in hypersonic flow: Past, present, and future Aiaa Journal. 49: 1089-1122. DOI: 10.2514/1.J050882 |
0.311 |
|
| 2011 |
Liu L, Padthe AK, Friedmann PP. Computational study of microflaps with application to vibration reduction in helicopter rotors Aiaa Journal. 49: 1450-1465. DOI: 10.2514/1.J050829 |
0.811 |
|
| 2011 |
Ng WH, Friedmann PP, Waas AM, McNamara JJ. Thermomechanical behaviour of a damaged thermal protection system: experimental correlation and influence of hypersonic flow The Aeronautical Journal. 115: 69-82. DOI: 10.1017/S0001924000005467 |
0.337 |
|
| 2011 |
Liu L, Padthe AK, Friedmann PP. A CFD-based reduced order aerodynamic model for on-blade active control in rotorcraft 50th Israel Annual Conference On Aerospace Sciences 2010. 1: 232-253. |
0.765 |
|
| 2010 |
Glaz B, Liu L, Friedmann PP. Reduced-order nonlinear unsteady aerodynamic modeling using a surrogate-based recurrence framework Aiaa Journal. 48: 2418-2429. DOI: 10.2514/1.J050471 |
0.709 |
|
| 2010 |
McNamara JJ, Crowell AR, Friedmann PP, Glaz B, Gogulapati A. Approximate modeling of unsteady aerodynamics for hypersonic aeroelasticity Journal of Aircraft. 47: 1932-1945. DOI: 10.2514/1.C000190 |
0.807 |
|
| 2010 |
Gogulapati A, Friedmann PP, Kheng E, Shyy W. Approximate aeroelastic modeling of flapping wings: Comparison with CFD and experimental data Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. |
0.78 |
|
| 2010 |
Muir ER, Liu L, Friedmann PP, Kumar D. Hysteresis characterization in piezoceramic stack actuators and its influence on vibration and noise reduction in helicopters using actively controlled flaps Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. |
0.339 |
|
| 2010 |
Glaz B, Liu L, Friedmann PP, Bain J, Sankar LN. A surrogate based approach to reduced-order dynamic stall modeling Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. |
0.666 |
|
| 2010 |
Padthe AK, Liu L, Friedmann PP, Bagnoud FX. A comprehensive study of active microflaps for vibration reduction in rotorcraft Annual Forum Proceedings - Ahs International. 1: 613-629. |
0.771 |
|
| 2010 |
Glaz B, Liu L, Friedmann PP. Reduced order nonlinear unsteady aerodynamic modeling using a surrogate based approach Ahs Aeromechanics Specialists Conference 2010. 299-313. |
0.666 |
|
| 2009 |
Glaz B, Friedmann PP, Liu L. Helicopter vibration reduction throughout the entire flight envelope using surrogate-based optimization Journal of the American Helicopter Society. 54. DOI: 10.4050/Jahs.54.012007 |
0.668 |
|
| 2009 |
Glaz B, Goel T, Liu L, Friedmann PP, Haftka RT. Multiple-surrogate approach to helicopter rotor blade vibration reduction Aiaa Journal. 47: 271-282. DOI: 10.2514/1.40291 |
0.672 |
|
| 2009 |
Thuruthimattam BJ, Friedmann PP, Powell KG, Bartels RE. Computational aeroelastic studies of a generic hypersonic vehicle Aeronautical Journal. 113: 763-774. DOI: 10.1017/S0001924000003420 |
0.819 |
|
| 2009 |
Friedmann PP, Glaz B, Palacios R. A moderate deflection composite helicopter rotor blade model with an improved cross-sectional analysis International Journal of Solids and Structures. 46: 2186-2200. DOI: 10.1016/J.Ijsolstr.2008.09.017 |
0.645 |
|
| 2009 |
Liu L, Padthe AK, Friedmann PP. A computational study of microflaps with application to vibration reduction in helicopter rotors Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. |
0.798 |
|
| 2009 |
Thuruthimattam BJ, Friedmann PP, Powell KG, Bartels RE. Computational aeroelastic studies of a generic hypersonic vehicle Aeronautical Journal. 113: 763-774. |
0.811 |
|
| 2009 |
Glaz B, Friedmann PP, Liu L, Kumar D, Cesnik CES. The AVINOR aeroelastic simulation code and its application to reduced vibration composite rotor blade design Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. |
0.668 |
|
| 2009 |
Glaz B, Palacios R, Friedmann PP. Incorporation of VABS composite beam sectional analysis into a comprehensive rotorcraft analysis code with application to aeroelastic tailoring Annual Forum Proceedings - Ahs International. 1: 689-706. |
0.616 |
|
| 2009 |
Padthe AK, Liu L, Friedmann PP, Bagnoud FX. A CFD-based nonlinear reduced-order aerodynamic model for comprehensive simulation of rotorcraft with active microflaps Annual Forum Proceedings - Ahs International. 2: 1247-1265. |
0.786 |
|
| 2009 |
Liu L, Padthe AK, Friedmann PP, Bagnoud FX, Quon E, Smith MJ. Unsteady aerodynamics of flapped airfoils and rotors using CFD and approximate methods Annual Forum Proceedings - Ahs International. 2: 1266-1285. |
0.775 |
|
| 2008 |
Liu L, Friedmann PP, Kim I, Bernstein DS. Rotor performance enhancement and vibration reduction in presence of dynamic stall using actively controlled flaps Journal of the American Helicopter Society. 53: 338-350. DOI: 10.4050/Jahs.53.338 |
0.436 |
|
| 2008 |
McNamara JJ, Friedmann PP, Powell KG, Thuruthimattam BJ, Bartels RE. Aeroelastic and aerothermoelastic behavior in hypersonic flow Aiaa Journal. 46: 2591-2610. DOI: 10.2514/1.36711 |
0.811 |
|
| 2008 |
Shyy W, Lian Y, Tang J, Liu H, Trizila P, Stanford B, Bernal L, Cesnik C, Friedmann P, Ifju P. Computational aerodynamics of low Reynolds number plunging, pitching and flexible wings for MAV applications Acta Mechanica Sinica. 24: 351-373. DOI: 10.1007/S10409-008-0164-Z |
0.448 |
|
| 2008 |
Glaz B, Friedmann PP, Liu L. Surrogate based optimization of helicopter rotor blades for vibration reduction in forward flight Structural and Multidisciplinary Optimization. 35: 341-363. DOI: 10.1007/S00158-007-0137-Z |
0.676 |
|
| 2008 |
Glaz B, Friedmann PP, Bagnoud FX, Liu L. Vibration and noise reduction of helicopter rotors using an active/passive approach American Helicopter Society International - Ahs Specialists' Conference On Aeromechanics 2008. 2: 635-652. |
0.621 |
|
| 2008 |
Liu L, Friedmann PP, Bagnoud FX, Padthe AK. Comparison of approximate time domain aerodynamics for flapped airfoils with CFD based results with applications Ahs Specialists Conference On Aerodynamics 2008. 2: 744-760. |
0.785 |
|
| 2008 |
Liu L, Friedmann PP, Bagnoud FX, Padthe AK. An approximate unsteady aerodynamic model for flapped airfoils including improved drag predictions 34th European Rotorcraft Forum 2008, Erf34. 2: 1037-1081. |
0.792 |
|
| 2008 |
Glaz B, Friedmann PP, Bagnoud FX, Liu L. Active/passive vibration reduction and performance enhancement of helicopter rotors at high advance ratios Annual Forum Proceedings - Ahs International. 3: 2337-2351. |
0.645 |
|
| 2008 |
Gogulapati A, Friedmann PP, Shyy W. Nonlinear aeroelastic effects in flapping wing micro air vehicles Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. |
0.79 |
|
| 2007 |
McNamara JJ, Friedmann PP. Flutter-boundary identification for time-domain computational aeroelasticity Aiaa Journal. 45: 1546-1555. DOI: 10.2514/1.26706 |
0.439 |
|
| 2007 |
Glaz B, Friedmann PP, Liu L. Helicopter vibration reduction throughout the entire flight envelope using surrogate based optimization Annual Forum Proceedings - Ahs International. 3: 2123-2138. |
0.644 |
|
| 2007 |
Liu L, Friedmann PP, Kim I, Bernstein DS. Rotor performance enhancement and vibration reduction in presence of dynamic stall using actively controlled flaps National Aerospace Laboratory Nlr - 32nd European Rotorcraft Forum, Erf 2006. 1: 288-311. |
0.319 |
|
| 2006 |
Patt D, Liu L, Friedmann PP. Simultaneous vibration and noise reduction in rotorcraft using aeroelastic simulation Journal of the American Helicopter Society. 51: 127-140. DOI: 10.4050/Jahs.51.127 |
0.417 |
|
| 2006 |
Chandrasekar J, Liu L, Patt D, Friedmann PP, Bernstein DS. Adaptive harmonic steady-state control for disturbance rejection Ieee Transactions On Control Systems Technology. 14: 993-1007. DOI: 10.1109/Tcst.2006.880185 |
0.38 |
|
| 2006 |
Glaz B, Friedmann PP, Liu L. Efficient global optimization of helicopter rotor blades for vibration reduction in forward flight Collection of Technical Papers - 11th Aiaa/Issmo Multidisciplinary Analysis and Optimization Conference. 2: 1002-1021. |
0.622 |
|
| 2006 |
Liu L, Friedmann PP, Kim I, Bernstein DS. Vibration reduction and performance enhancement in rotorcraft using active flaps at high advance ratios Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. 5: 3291-3309. |
0.312 |
|
| 2006 |
Liu L, Friedmann PP, Kim I, Dennis SB. Simultaneous vibration reduction and performance enhancement in rotorcraft using actively controlled flaps Annual Forum Proceedings - Ahs International. 1249-1263. |
0.331 |
|
| 2005 |
Patt D, Liu L, Friedmann PP. Rotorcraft Vibration Reduction and Noise Prediction Using a Unified Aeroelastic Response Simulation Journal of the American Helicopter Society. 50: 95-106. DOI: 10.4050/1.3092846 |
0.366 |
|
| 2005 |
Patt D, Liu L, Chandrasekar J, Bernstein DS, Friedmann PP. Higher-Harmonic-Control Algorithm for Helicopter Vibration Reduction Revisited Journal of Guidance Control and Dynamics. 28: 918-930. DOI: 10.2514/1.9345 |
0.31 |
|
| 2005 |
Patt D, Liu L, Friedmann PP. Helicopter noise reduction by actively controlled flaps Collection of Technical Papers - 11th Aiaa/Ceas Aeroacoustics Conference. 2: 1320-1340. |
0.305 |
|
| 2005 |
McNamara JJ, Friedmann PP, Powell KG, Thuruthimattam BJ, Bartels RE. Aeroelastic and aerothermoelastic vehicle behavior in hypersonic flow A Collection of Technical Papers - 13th Aiaa/Cira International Space Planes and Hypersonic Systems and Technologies Conference. 2: 960-1007. |
0.808 |
|
| 2005 |
Liu L, Friedmann PP, Patt D. Simultaneous vibration and noise reduction in rotorcraft - Practical implementation issues Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. 8: 5513-5540. |
0.353 |
|
| 2005 |
McNamara JJ, Friedmann PP, Powell KG, Thuruthimattam BJ, Bartels RE. Three-dimensional aeroelastic and aerothermoelastic behavior in hypersonic flow Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. 7: 4655-4701. |
0.807 |
|
| 2005 |
Friedmann PP. Vibration reduction in rotorcraft using actively controlled flaps - their evolution and potential for improving rotorcraft technology 30th European Rotorcraft Forum. 2005: 257-272. |
0.33 |
|
| 2005 |
Patt D, Liu L, Friedmann PP. Active flaps for noise reduction: A computational study Annual Forum Proceedings - Ahs International. 1: 1-21. |
0.304 |
|
| 2005 |
Patt D, Liu L, Friedmann PP. Rotorcraft vibration reduction and noise prediction using a unified aeroelastic response simulation Journal of the American Helicopter Society. 50: 95-106. |
0.373 |
|
| 2004 |
Friedmann PP. Rotary-wing aeroelasticity: Current status and future trends Aiaa Journal. 42: 1953-1972. DOI: 10.2514/1.9022 |
0.388 |
|
| 2004 |
Friedmann PP, McNamara JJ, Thuruthimattam BJ, Nydick I. Aeroelastic analysis of hypersonic vehicles Journal of Fluids and Structures. 19: 681-712. DOI: 10.1016/J.Jfluidstructs.2004.04.003 |
0.815 |
|
| 2004 |
Friedmann PP. Aeroelastic scaling for rotary-wing aircraft with applications Journal of Fluids and Structures. 19: 635-650. DOI: 10.1016/J.Jfluidstructs.2004.03.003 |
0.376 |
|
| 2004 |
McNamara JJ, Thuruthimattam BJ, Friedmann PP, Powell KG, Bartels R. Hypersonic aerothermoelastic studies for reusable launch vehicles Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. 2: 819-853. |
0.797 |
|
| 2004 |
Friedmann PP. Vibration reduction in rotorcraft using actively controlled flaps - From theoretical concept to flight ready hardware Ahs International 4th Decennial Specialists' Conference On Aeromechanics. 117-130. |
0.338 |
|
| 2004 |
Liu L, Patt D, Friedmann PP. Active vibration and noise reduction in rotorcraft using an aeroelastic simulation Ahs International 4th Decennial Specialists' Conference On Aeromechanics. 131-147. |
0.333 |
|
| 2003 |
Friedmann PP, Hodges DH. Rotary wing aeroelasticity - A historical perspective Journal of Aircraft. 40: 1019-1046. DOI: 10.2514/2.7216 |
0.346 |
|
| 2003 |
Friedmann PP, Mcnamaraj JJ, Thuruthimattam BJ, Powell KG. Hypersonic aerothermoelasticity with application to reusable launch vehicles 12th Aiaa International Space Planes and Hypersonic Systems and Technologies. |
0.815 |
|
| 2003 |
Thuruthimattam BJ, Friedmann PP, McNamara JJ, Powell KG. Modeling approaches to hypersonic aerothermoelasticity with application to reusable launch vehicles 44th Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics, and Materials Conference. |
0.814 |
|
| 2003 |
Patt D, Liu L, Friedmann PP. Rotorcraft vibration and noise prediction using a unified aeroelastic analysis Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. 5: 3503-3516. |
0.347 |
|
| 2002 |
Thuruthimattam BJ, Friedmann PP, McNamara JJ, Powell KG. Modeling approaches to hypersonic aeroelasticity American Society of Mechanical Engineers, Applied Mechanics Division, Amd. 253: 1-12. DOI: 10.1115/IMECE2002-32943 |
0.793 |
|
| 2002 |
Friedmann PP, Yuan KA, De Terlizzi M. An aeroelastic model for composite rotor blades with straight and swept tips. Part I: Aeroelastic stability in hover International Journal of Non-Linear Mechanics. 37: 967-986. DOI: 10.1016/S0020-7462(01)00109-3 |
0.4 |
|
| 2002 |
Depailler G, Friedmann PP. Reduction of vibrations due to dynamic stall in helicopters using an actively controlled flap Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. 3: 1826-1839. |
0.783 |
|
| 2001 |
Myrtle TF, Friedmann PP. Application of a new compressible time domain aerodynamic model to vibration reduction in helicopters using an actively controlled flap Journal of the American Helicopter Society. 46: 32-43. DOI: 10.4050/Jahs.46.32 |
0.45 |
|
| 2001 |
Friedmann PP, Presente E. Active control of flutter in compressible flow and its aeroelastic scaling Journal of Guidance, Control, and Dynamics. 24: 167-175. DOI: 10.2514/2.4698 |
0.413 |
|
| 2001 |
Friedmann PP, Carman GP, Millott TA. Magnetostrictively actuated control flaps for vibration reduction in helicopter rotors-design considerations for implementation Mathematical and Computer Modelling. 33: 1203-1217. DOI: 10.1016/S0895-7177(00)00307-1 |
0.433 |
|
| 2001 |
Friedmann PP, De Terlizzi M, Myrtle TF. New developments in vibration reduction with actively controlled trailing edge flaps Mathematical and Computer Modelling. 33: 1055-1083. DOI: 10.1016/S0895-7177(00)00300-9 |
0.473 |
|
| 2001 |
Friedmann PP. Rotary-wing aeroelasticity - Current status and future trends 39th Aerospace Sciences Meeting and Exhibit. |
0.338 |
|
| 2001 |
Cribbs R, Friedmann PP. Actuator saturation and its influence on vibration reduction by actively controlled flaps 19th Aiaa Applied Aerodynamics Conference. |
0.34 |
|
| 2000 |
Cribbs RC, Friedmann PP, Chiu T. Coupled helicopter rotor/flexible fuselage aeroelastic model for control of structural response Aiaa Journal. 38: 1777-1788. DOI: 10.2514/2.838 |
0.442 |
|
| 2000 |
Guillot DM, Friedmann PP. Fundamental aeroservoelastic study combining unsteady computational fluid mechanics with adaptive control Journal of Guidance, Control, and Dynamics. 23: 1117-1126. DOI: 10.2514/2.4663 |
0.458 |
|
| 2000 |
Cribbs R, Friedmann PP. Vibration reduction in rotorcraft using an enhanced ACSR* model 41st Structures, Structural Dynamics, and Materials Conference and Exhibit. |
0.394 |
|
| 2000 |
Cribbs R, Friedmann PP. Vibration reduction in rotorcraft using an enhanced ACSR model Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. 1: 1850-1864. |
0.393 |
|
| 1998 |
Millott TA, Friedmann PP, Yuan KA. Technical note. Correlation studies for hingeless rotors in forward flight using 2GCHAS Journal of the American Helicopter Society. 43: 257-262. DOI: 10.4050/Jahs.43.257 |
0.426 |
|
| 1998 |
Yuan KA, Friedmann PP. Structural optimization for vibratory loads reduction of composite helicopter rotor blades with advanced geometry tips Journal of the American Helicopter Society. 43: 246-256. DOI: 10.4050/Jahs.43.246 |
0.409 |
|
| 1998 |
Presente EH, Friedmann PP. Aeroservoelasticity in compressible flow and its scaling laws Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. 2: 1705-1720. |
0.332 |
|
| 1997 |
Friedmann PP, Guillot D, Presente E. Adaptive control of aeroelastic instabilities in transonic flow and its scaling Journal of Guidance, Control, and Dynamics. 20: 1190-1199. DOI: 10.2514/2.4175 |
0.445 |
|
| 1997 |
Presente EH, Friedmann PP. Aeroservoelasticity in compressible flow and aeroelastic scaling considerations American Society of Mechanical Engineers, Aerospace Division (Publication) Ad. 53: 105-115. |
0.341 |
|
| 1997 |
Chiu T, Friedmann PP. An analytical model for ACSR approach to vibration reduction in a helicopter rotor-flexible fuselage system Aeronautical Journal. 101: 399-408. |
0.417 |
|
| 1997 |
Presente EH, Friedmann PP. Aeroservoelasticity in subsonic flow and associated scaling laws Collection of Technical Papers - Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference. 1: 190-202. |
0.305 |
|
| 1997 |
Myrtle TF, Friedmann PP. New comprehensive time domain unsteady aerodynamics for flapped airfoils and its application to rotor vibration reduction using active control Annual Forum Proceedings - American Helicopter Society. 2: 1215-1231. |
0.375 |
|
| 1996 |
Chiu T, Friedmann PP. ACSR System for vibration suppression in coupled helicopter rotor/flexible fuselage model 37th Aiaa/Asme/Asce/Ahs/Asc Structure, Structural Dynamics and Materials Conference. 1972-1990. DOI: 10.2514/6.1996-1547 |
0.345 |
|
| 1995 |
Friedmann PP, Millott TA. Vibration reduction in rotorcraft using active control - A comparison of various approaches Journal of Guidance Control and Dynamics. 18: 664-673. DOI: 10.2514/3.21445 |
0.439 |
|
| 1995 |
Pak Cg, Friedmann PP, Livne E. Digital Adaptive Flutter Suppression and Simulation Using Approximate Transonic Aerodynamics Journal of Vibration and Control. 1: 363-388. DOI: 10.1177/107754639500100401 |
0.408 |
|
| 1995 |
Lust SD, Friedmann PP, Bendiksen OO. Free and forced response of multi-span beams and multi-bay trusses with localized modes Journal of Sound and Vibration. 180: 313-332. DOI: 10.1006/Jsvi.1995.0081 |
0.317 |
|
| 1994 |
Venkatesan C, Friedmann PP, Yuan KA. A new sensitivity analysis for structural optimization of composite rotor blades Mathematical and Computer Modelling. 19: 1-25. DOI: 10.1016/0895-7177(94)90054-X |
0.397 |
|
| 1994 |
Yuan KA, Friedmann PP. Structural optimization of composite helicopter rotor blaoks with swept tips for vibration reduction in forward flight 5th Symposium On Multidisciplinary Analysis and Optimization, 1994. 281-302. |
0.317 |
|
| 1993 |
Livne E, Schmit LA, Friedmann PP. Integrated structure/control/aerodynamic synthesis of actively controlled composite wings Journal of Aircraft. 30: 387-394. DOI: 10.2514/3.46347 |
0.367 |
|
| 1993 |
Yamane T, Friedmann PP. Aeroelastic tailoring analysis for preliminary design of advanced propellers with composite blades Journal of Aircraft. 30: 119-126. DOI: 10.2514/3.46315 |
0.375 |
|
| 1993 |
Lust SD, Friedmann PP, Bendiksen OO. Mode localization in multispan beams Aiaa Journal. 31: 348-355. DOI: 10.2514/3.11674 |
0.309 |
|
| 1993 |
Papavassiliou I, Friedmann PP, Venkatesan C. Coupled rotor-fuselage vibration reduction using open-loop blade pitch control Mathematical and Computer Modelling. 18: 131-156. DOI: 10.1016/0895-7177(93)90109-C |
0.468 |
|
| 1992 |
Livne E, Friedmann PP, Schmit LA. Integrated aeroservoelastic wing synthesis by nonlinear programming/approximation concepts Journal of Guidance, Control, and Dynamics. 15: 985-993. DOI: 10.2514/3.20933 |
0.375 |
|
| 1992 |
Livine E, Schmit LA, Friedmann PP. Exploratory design studies of actively controlled wings using integrated multidisciplinary synthesis Aiaa Journal. 30: 1171-1179. DOI: 10.2514/3.11047 |
0.357 |
|
| 1991 |
Robinson LH, Friedmann PP. A study of fundamental issues in higher harmonic control using aeroelastic simulation Journal of the American Helicopter Society. 36: 32-43. DOI: 10.4050/Jahs.36.32 |
0.478 |
|
| 1991 |
Friedmann PP. Helicopter vibration reduction using structural optimization with aeroelastic/multidisciplinary constraints - A survey Journal of Aircraft. 28: 8-21. DOI: 10.2514/3.45987 |
0.407 |
|
| 1991 |
Takahashi MD, Friedmann PP. Helicopter air resonance modeling and suppression using active control Journal of Guidance, Control, and Dynamics. 14: 1294-1300. DOI: 10.2514/3.20786 |
0.433 |
|
| 1990 |
Livne E, Schmit LA, Friedmann PP. Towards integrated multidisciplinary synthesis of actively controlled fiber composite wings Journal of Aircraft. 27: 979-992. DOI: 10.2514/3.45972 |
0.398 |
|
| 1990 |
Celi R, Friedmann PP. Structural optimization with aeroelastic constraints of rotor blades with straight and swept tips Aiaa Journal. 28: 928-936. DOI: 10.2514/3.25141 |
0.348 |
|
| 1990 |
Friedmann PP, Robinson LH. Influence of unsteady aerodynamics on rotor blade aeroelastic stability and response Aiaa Journal. 28: 1806-1812. DOI: 10.2514/3.10477 |
0.364 |
|
| 1989 |
Kosmatka JB, Friedmann PP. Vibration analysis of composite turbopropellers using a nonlinear beam-type finite-element approach Aiaa Journal. 27: 1606-1614. DOI: 10.2514/3.10308 |
0.4 |
|
| 1989 |
Dinyavari MAH, Friedmann PP. Time domain unsteady incompressible cascade airfoil theory for helicopter rotors in hover Aiaa Journal. 27: 257-267. DOI: 10.2514/3.10107 |
0.355 |
|
| 1988 |
Celi R, Friedmann PP. Rotor blade aeroelasticity in forward flight with an implicit aerodynamic formulation Aiaa Journal. 26: 1425-1433. DOI: 10.2514/3.10060 |
0.402 |
|
| 1987 |
Friedmann PP. Arbitrary motion unsteady aerodynamics and its application to rotary-wing aeroelasticity Journal of Fluids and Structures. 1: 71-93. DOI: 10.1016/S0889-9746(87)90194-0 |
0.377 |
|
| 1986 |
Friedmann PP, Venkatesan C. Influence Of Unsteady Aerodynamic Models On Aeromechanical Stability In Ground Resonance. Journal of the American Helicopter Society. 31: 65-74. DOI: 10.4050/Jahs.31.65 |
0.325 |
|
| 1986 |
Venkatesan C, Friedmann PP. NEW APPROACH TO FINITE-STATE MODELING OF UNSTEADY AERODYNAMICS Aiaa Journal. 24: 1889-1897. DOI: 10.2514/3.9545 |
0.375 |
|
| 1986 |
Dinyavari MAH, Friedmann PP. APPLICATION OF TIME-DOMAIN UNSTEADY AERODYNAMICS TO ROTARY-WING AEROELASTICITY Aiaa Journal. 24: 1424-1432. DOI: 10.2514/3.9459 |
0.368 |
|
| 1986 |
Friedmann PP. Numerical methods for determining the stability and response of periodic systems with applications to helicopter rotor dynamics and aeroelasticity Computers and Mathematics With Applications. 12: 131-148. DOI: 10.1016/0898-1221(86)90091-X |
0.35 |
|
| 1985 |
Venkatesan C, Friedmann PP. AEROMECHANICAL STABILITY ANALYSIS OF A HYBRID HEAVY LIFT MULTIROTOR VEHICLE IN HOVER Journal of Aircraft. 22: 965-972. DOI: 10.2514/3.45232 |
0.395 |
|
| 1985 |
Friedmann PP, Venkatesan C. COUPLED HELICOPTER ROTOR/BODY AEROMECHANICAL STABILITY COMPARISON OF THEORETICAL AND EXPERIMENTAL RESULTS Journal of Aircraft. 22: 148-155. DOI: 10.2514/3.45099 |
0.388 |
|
| 1984 |
Friedmann PP, Shanthakumaran P. OPTIMUM DESIGN OF ROTOR BLADES FOR VIBRATION REDUCTION IN FORWARD FLIGHT Journal of the American Helicopter Society. 29: 70-80. DOI: 10.4050/Jahs.29.70 |
0.446 |
|
| 1982 |
FRIEDMANN PP, KOTTAPALLI SBR. COUPLED FLAP-LAG-TORSIONAL DYNAMICS OF HINGELESS ROTOR BLADES IN FORWARD FLIGHT J Am Helicopter Soc. 28-36. DOI: 10.4050/Jahs.27.28 |
0.422 |
|
| 1982 |
BENDIKSEN OO, FRIEDMANN PP. EFFECT OF BENDING-TORSION COUPLING ON FAN AND COMPRESSOR BLADE FLUTTER J Eng Power Trans Asme. 617-623. |
0.338 |
|
| 1980 |
Friedmann PP, Straub F. APPLICATION OF THE FINITE ELEMENT METHOD TO ROTARY-WING AEROELASTICITY Journal of the American Helicopter Society. 25: 36-44. DOI: 10.4050/Jahs.25.1.36 |
0.325 |
|
| 1980 |
Warmbrodt W, Friedmann P. Coupled Rotor/Tower Aeroelastic Analysis of Large Horizontal Axis Wind Turbines Aiaa Journal. 18: 1118-1124. DOI: 10.2514/3.50861 |
0.399 |
|
| 1980 |
Bendiksen O, Friedmann P. Coupled Bending-Torsion Flutter in Cascades Aiaa Journal. 18: 194-201. DOI: 10.2514/3.50748 |
0.366 |
|
| 1980 |
Friedmann PP. Aeroelastic stability and response analysis of large horizontal-axis wind turbines Journal of Industrial Aerodynamics. 5: 373-401. DOI: 10.1016/0167-6105(80)90043-4 |
0.341 |
|
| 1979 |
Kottapalli SBR, Friedmann PP, Rosen A. AEROELASTIC STABILITY AND RESPONSE OF HORIZONTAL AXIS WIND TURBINE BLADES Aiaa Journal. 17: 1381-1389. DOI: 10.2514/3.7634 |
0.375 |
|
| 1977 |
Friedmann P, Yuan C. Effect of modified aerodynamic strip theories on rotor blade aeroelastic stability Aiaa Journal. 15: 932-940. DOI: 10.2514/3.60735 |
0.416 |
|
| 1977 |
Friedmann P. Influence of Modeling and Blade Parameters on the Aeroelastic Stability of a Cantilevered Rotor Aiaa Journal. 15: 149-158. DOI: 10.2514/3.60615 |
0.412 |
|
| 1977 |
Friedmann PP. Recent developments in rotary-wing aeroelasticity Journal of Aircraft. 14: 1027-1041. DOI: 10.2514/3.58887 |
0.337 |
|
| 1977 |
Friedmann P, Hammond CE, Woo T‐. Efficient numerical treatment of periodic systems with application to stability problems International Journal For Numerical Methods in Engineering. 11: 1117-1136. DOI: 10.1002/Nme.1620110708 |
0.34 |
|
| 1974 |
Friedmann P, Silverthorn LJ. Aeroelastic stability of periodic systems with application to rotor blade flutter Aiaa Journal. 12: 1559-1565. DOI: 10.2514/3.49545 |
0.353 |
|
| 1973 |
Friedmann P. Some conclusions regarding the aeroelastic stability of hingeless helicopter blades in hover and in forward flight Journal of the American Helicopter Society. 18: 13-23. DOI: 10.4050/Jahs.18.13 |
0.394 |
|
| 1973 |
Friedmann P. Aeroelastic Instabilities of Hingeless Helicopter Blades Journal of Aircraft. 10: 623-631. DOI: 10.2514/3.60270 |
0.357 |
|
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