Peretz P. Friedmann

发表

Active/passive vibration reduction and performance enhancement of helicopter rotors at high advance ratios

Bryan Glaz, Peretz P. Friedmann, François Xavier Bagnoud, 2008 .

Active and Passive Helicopter Noise Reduction Using the AVINOR/HELINOIR Code Suite

Peretz P. Friedmann, Miang H. Chia, Karthik Duraisamy, 2017 .

Forced and Aeroelastic Responses of Bird-Damaged Fan Blades: A Comparison and Its Implications

Peretz P. Friedmann, Eric R. Muir, E. Muir, 2016 .

A fundamental aeroservoelastic study combining unsteady CFD with adaptive control

Peretz P. Friedmann, D. Guillot, P. Friedmann, 1994 .

Integrated Structure/Control/Aerodynamic Synthesis of Actively Controlled Composite Wings

Peretz P. Friedmann, Eli Livne, Lucien A. Schmit, 1993 .

Helicopter air resonance modeling and suppression using active control

Peretz P. Friedmann, M. D. Takahashi, P. Friedmann, 1991 .

Reduced-Order Dynamic Stall Modeling with Swept Flow Effects Using a Surrogate-Based Recurrence Framework

Bryan Glaz, Peretz P. Friedmann, Li Liu, 2013 .

The HELINOIR aeroacoustic code and its application to active/passive helicopter noise reduction

Peretz P. Friedmann, Miang H. Chia, Ashwani K. Padthe, 2017 .

The HHC algorithm for helicopter vibration reduction revisited

Dennis S. Bernstein, Li Liu, Peretz P. Friedmann, 2004 .

Vibration Reduction and Performance Enhancement of Helicopter Rotors Using an Active/Passive Approach

Bryan Glaz, Peretz P. Friedmann, Li Liu, 2008 .

Reduced order nonlinear unsteady aerodynamic modeling using a surrogate based approach

Bryan Glaz, Peretz P. Friedmann, Li Liu, 2010 .

Actuator Saturation in Individual Blade Control of Rotorcraft

Dennis S. Bernstein, Peretz P. Friedmann, Ashwani K. Padthe, 2012 .

New developments in vibration reduction with actively controlled trailing edge flaps

Peretz P. Friedmann, M. De Terlizzi, T. F. Myrtle, 2001 .

ACSR system for vibration suppression in coupled helicopter rotor/flexible fuselage model

Peretz P. Friedmann, Thiem Chiu, P. Friedmann, 1996 .

An Efficient Approach for the Simulation and On-Blade Control of Helicopter Noise and Vibration

Peretz P. Friedmann, Miang H. Chia, Karthik Duraisamy, 2016 .

Rotary-wing aeroelastic scaling and its implications for adaptive-materials-based actuation

Peretz P. Friedmann, P. Friedmann, 1999, Smart Structures.

Aeroelastic scaling for rotary-wing aircraft with applications

Peretz P. Friedmann, P. Friedmann, 2004 .

NEW APPROACH TO FINITE STATE MODELLING OF UNSTEADY AERODYNAMICS.

Peretz P. Friedmann, Comandur Venkatesan, P. Friedmann, 1986 .

Aeromechanical stability analysis of a multirotor vehicle with application to hybrid heavy lift helicopter dynamics

Peretz P. Friedmann, Comandur Venkatesan, P. Friedmann, 1984 .

An Efficient Approach for the Simulation and On-Blade Control of Helicopter Noise and the Impact on Vibration

Peretz P. Friedmann, Miang H. Chia, Karthik Duraisamy, 2017 .

Correlation studies for hingeless rotors in forward flight

Peretz P. Friedmann, Kuo-An Yuan, Comandur Venkatesan, 1994 .

Surrogate based optimization of helicopter rotor blades for vibration reduction in forward flight

Bryan Glaz, Peretz P. Friedmann, Li Liu, 2008 .

New Comprehensive Time Domain Unsteady Aerodynamics For Flapped Airfoils And Its Application To Rotor Vibration Reduction Using Active Control

Peretz P. Friedmann, T. F. Myrtle, Timothy F. Myrtle, 1997 .

Uncertainty Propagation in Hypersonic Aerothermoelastic Analysis

Bryan Glaz, Peretz P. Friedmann, Andrew R. Crowell, 2010 .

Controlled Wings Using Integrated Multidisciplinary Synthesis

Peretz P. Friedmann, L. A. Schmit, E. Livne, 1992 .

Aeroelastic tailoring analysis for preliminary design of advanced propellers with composite blades

Peretz P. Friedmann, Takashi Yamane, P. Friedmann, 1993 .

A coupled helicopter rotor/fuselage aeroelastic response model for ACSR

Peretz P. Friedmann, Thiem Chiu, P. Friedmann, 1995 .

Selected topics on the active control of helicopter aeromechanical and vibration problems

Peretz P. Friedmann, P. Friedmann, 1994 .

Modeling approaches to hypersonic aeroelasticity

Peretz P. Friedmann, Jack J. McNamara, Kenneth G. Powell, 2002 .

Aeroelastic analysis of hypersonic vehicles

Peretz P. Friedmann, Jack J. McNamara, Biju J. Thuruthimattam, 2004 .

Structural optimization with aeroelastic constraints of rotor blades with straight and swept tips

Peretz P. Friedmann, Roberto Celi, P. Friedmann, 1990 .

Simultaneous vibration reduction and performance enhancement in rotorcraft using actively controlled flaps

Dennis S. Bernstein, Peretz P. Friedmann, Li Liu, 2006 .

A surrogate based approach to reduced-order dynamic stall modeling

Bryan Glaz, Peretz P. Friedmann, Lakshmi N. Sankar, 2010 .

Rotary-wing aeroelasticity with application to VTOL vehicles

Peretz P. Friedmann, P. Friedmann, 1990 .

Aeroelastic Instabilities of Hingeless Helicopter Blades

Peretz P. Friedmann, P. Friedmann, 1973 .

Aeroelastic stability and response analysis of large horizontal-axis wind turbines

Peretz P. Friedmann, P. Friedmann, 1980 .

Simultaneous Vibration and Noise Reduction in Rotorcraft Using Aeroelastic Simulation

Peretz P. Friedmann, Li Liu, Dan Patt, 2004 .

Recent developments in rotary-wing aeroelasticity

Peretz P. Friedmann, P. Friedmann, 1977 .

Modeling approaches to hypersonic aerothermoelasticity with application to reusable launch vehicles

Peretz P. Friedmann, Jack J. McNamara, Kenneth G. Powell, 2003 .

Unsteady aerodynamic loading on bird-damaged fan blades and its effect on forced response

Peretz P. Friedmann, Eric R. Muir, E. Muir, 2013 .

Optimization of the Kinematics of a Flapping Wing MAV in Hover for Enhanced Performance

Joaquim R. R. A. Martins, Peretz P. Friedmann, Abhijit Gogulapati, 2013 .

A new aeroelastic model for composite rotor blades with straight and swept tips

Peretz P. Friedmann, Kuo-An Yuan, Comandur Venkatesan, 1992 .

Uncertainty Propagation in Integrated Airframe–Propulsion System Analysis for Hypersonic Vehicles

Peretz P. Friedmann, Sean M. Torrez, James F. Driscoll, 2015 .

Vibration reduction in helicopter rotors using an actively controlled partial span trailing edge flap located on the blade

Peretz P. Friedmann, Thomas A. Millott, P. Friedmann, 1994 .

Rotary-wing aeroservoelastic problems

Peretz P. Friedmann, P. Friedmann, 1992 .

Helicopter vibration reduction using structural optimization with aeroelastic/multidisciplinary constraints - A survey

Peretz P. Friedmann, P. Friedmann, 1991 .

A Comprehensive Study of Active Microflaps for Vibration Reduction in Rotorcraft

Peretz P. Friedmann, François Xavier Bagnoud, Li Liu, 2010 .

Optimum design of rotor blades for vibration reduction in forward flight

Peretz P. Friedmann, P. Shanthakumaran, P. Friedmann, 1984 .

Aeroelasticity of a Generic Hypersonic Vehicle

Peretz P. Friedmann, Jack J. McNamara, Kenneth G. Powell, 2002 .

Robust design of small-scaled unmanned helicopter for hover performance using Taguchi method

Ranjan Ganguli, Peretz P. Friedmann, Dineshkumar Harursampath, 2017 .

Aeroelastic Problems Associated With External Stories and Innovative Scaling Laws for Such Problems

Peretz P. Friedmann, 2000 .

Simulation of Helicopter Hover and Landing on a Moving Ship Deck using a Dynamic Ground Effect Model

Peretz P. Friedmann, Ashwani K. Padthe, Abhinav Sharma, 2020 .

New time-domain technique for flutter boundary identification

Peretz P. Friedmann, Chan-Gi Pak, P. Friedmann, 1992 .

Rotary wing aeroelasticity - A historical perspective

Peretz P. Friedmann, Dewey H. Hodges, P. Friedmann, 2003 .

Comparison of approximate time domain aerodynamics for flapped airfoils with CFD based results with applications

Li Liu, Peretz P. Friedmann, François Xavier Bagnoud, 2008 .

Vibration Reduction and Performance Enhancement in Rotorcraft Using Active Flaps at High Advance Ratios

Dennis S. Bernstein, Peretz P. Friedmann, Li Liu, 2006 .

Aeroelastic response of bird-damaged fan blades using a coupled CFD/CSD framework

Peretz P. Friedmann, Eric R. Muir, E. Muir, 2014 .

Structural optimization for vibratory loads reduction of composite helicopter rotor blades with advanced geometry tips

Peretz P. Friedmann, Kuo An Yuan, P. Friedmann, 1998 .

Vibration Reduction in Rotorcraft Using the ACSR Approach with Enhanced Aerodynamic and Control Modeling

Peretz P. Friedmann, P. Friedmann, 2000 .

Aeroelastic and Aerothermoelastic Behavior in Hypersonic Flow

Peretz P. Friedmann, Jack J. McNamara, Robert E. Bartels, 2008 .

Simultaneous Vibration and Noise Reduction in Rotorcraft - Practical Implementation Issues

Peretz P. Friedmann, Dan Patt, Li Liu, 2005 .

Aeroelastic and Aerothermoelastic Analysis of Hypersonic Vehicles: Current Status and Future Trends

Peretz P. Friedmann, Jack J. McNamara, P. Friedmann, 2006 .

Aeroelastic Modeling of Large Wind Turbines

Peretz P. Friedmann, P. Friedmann, 1975 .

Efficient Global Optimization of Helicopter Rotor Blades for Vibration Reduction in Forward Flight

Bryan Glaz, Peretz P. Friedmann, Li Liu, 2006 .

Surrogate based optimization of helicopter rotor blades for vibration reduction in forward flight

Bryan Glaz, Peretz P. Friedmann, Li Liu, 2006 .

Unsteady aerodynamics of an airfoil/flap combination on a helicopter rotor using computational fluid dynamics and approximate methods

Li Liu, Peretz P. Friedmann, Marilyn J. Smith, 2011 .

Digital Adaptive Flutter Suppression and Simulation Using Approximate Transonic Aerodynamics

Peretz P. Friedmann, Eli Livne, Chan-Gi Pak, 1995 .

UNSTEADY COMPRESSIBLE AERODYNAMICS OF A FLAPPED AIRFOIL WITH APPLICATION TO HELICOPTER VIBRATION REDUCTION

Peretz P. Friedmann, T. F. Myrtle, Timothy F. Myrtle, 1997 .

Unsteady aerodynamics of flapped airfoils and rotors using CFD and approximate methods

Peretz P. Friedmann, François Xavier Bagnoud, Marilyn J. Smith, 2009 .

Helicopter Noise Reduction By Actively Controlled Flaps

Peretz P. Friedmann, Li Liu, Daniel Patt, 2005 .

Transonic adaptive flutter suppression using approximate unsteady time domain aerodynamics

Peretz P. Friedmann, Eli Livne, Chan-Gi Pak, 1991 .

Determination of optimum camber distribution in rotating wings with deformable airfoils for vibration reduction and performance enhancement using surrogate modeling

Bryan Glaz, Peretz P. Friedmann, Carlos E. S. Cesnik, 2010 .

Nonlinear Aeroelastic Effects in Flapping Wing Micro Air Vehicles

Peretz P. Friedmann, Wei Shyy, Abhijit Gogulapati, 2008 .

Technical Note: Correlation Studies for Hingeless Rotors in Forward Flight Using 2GCHAS

Peretz P. Friedmann, Kuo-An Yuan, Thomas A. Millott, 1998 .

Vibration reduction in rotorcraft using the actively controlled trailing edge flap and issues related to practical implementation

Peretz P. Friedmann, T. F. Myrtle, Timothy F. Myrtle, 1998 .

A Tribute to Professor Rene H. Miller a Pioneer in Aeromechanics and Rotary Wing Flight Transportation

Peretz P. Friedmann, Michael P. Scully, Wayne Johnson, 2012 .

A study of fundamental issues in higher harmonic control using aeroelastic simulation

Peretz P. Friedmann, L. H. Robinson, Lawson H. Robinson, 1991 .

Deterministic torsional building response to winds.

Peretz P. Friedmann, Carlos P. Patrickson, 1979 .

Hypersonic Aeroelastic Stability Boundary Computations using Radial Basis Functions for Mesh

Peretz P. Friedmann, Nicolas Lamorte, P. Friedmann, 2012 .

Biologically Inspired, Anisoptropic Flexible Wing for Optimal Flapping Flight

Peretz P. Friedmann, Peter Ifju, Wei Shyy, 2013 .

Aeroelastic simulation of higher harmonic control

Peretz P. Friedmann, L. H. Robinson, Lawson H. Robinson, 1994 .

Fundamental Aeroservoelastic Study Combining Unsteady Computational Fluid Mechanics with Adaptive Control

Peretz P. Friedmann, Damien M. Guillot, P. Friedmann, 2000 .

Multiple-Surrogate Approach to Helicopter Rotor Blade Vibration Reduction

Bryan Glaz, Peretz P. Friedmann, Raphael T. Haftka, 2009 .

Vibration reduction in rotorcraft using an enhanced ACSR* model

Peretz P. Friedmann, R. Cribbs, P. Friedmann, 2000 .

Analysis of high-fidelity reduced-order linearized time-invariant helicopter models for integrated flight and on-blade control applications

Peretz P. Friedmann, Ashwani K. Padthe, Mark Lopez, 2015 .

A Fundamental Study in Nonlinear Aeroelastic Phenomena in Flapping Wing Micro Air Vehicles

Peretz P. Friedmann, Wei Shyy, 2008 .

A Computational Fluid Dynamics–Based Viscous Vortex Particle Method for Coaxial Rotor Interaction Calculations in Hover

Peretz P. Friedmann, Puneet Singh, P. Friedmann, 2018 .

Structural Optimization for Vibration Reduction of Composite Helicopter Rotor Blades with Advanced Geometry Tips Subject to Multidisciplinary Constraints

Peretz P. Friedmann, Kuo-An Yuan, Los Angeles, 1995 .

Hypersonic Aeroelasticity and Aerothermoelasticity

Peretz P. Friedmann, Jack J. McNamara, P. Friedmann, 2010 .

Integrated Aerothermoelastic Analysis Framework with Application to Skin Panels

Peretz P. Friedmann, Tomer Rokita, Daning Huang, 2018, AIAA Journal.

Aeroelastic scaling for fixed and rotary-wing aircraft with applications

Peretz P. Friedmann, P. Friedmann, 2000 .

Comparison of experiments on bio-inspired hover kinematics with the unsteady vortex model and CFD

Peretz P. Friedmann, Wei Shyy, Chang-Kwon Kang, 2013 .

Hypersonic Aeroelasticity and Aerothermoelasticity with Application to Reuseable Launch Vehicles

Peretz P. Friedmann, Jack J. McNamara, Kenneth G. Powell, 2003 .

Innovative Scaling Laws for Study of Nonlinear Aeroelastic and Aeroservoelastic Problems.

Peretz P. Friedmann, 1998 .

A parametric study of on-blade control device performance for helicopter vibration and noise reduction

Peretz P. Friedmann, François Xavier Bagnoud, Miang H. Chia, 2014 .

Towards integrated multidisciplinary synthesis of actively controlled fiber composite wings

Peretz P. Friedmann, L. A. Schmit, E. Livne, 1990 .

New approach to finite-state modeling of unsteady aerodynamics

Peretz P. Friedmann, Comandur Venkatesan, P. Friedmann, 1986 .

Multifidelity coKriging for High-Dimensional Output Functions with Application to Hypersonic Airloads Computation

Peretz P. Friedmann, Tomer Rokita, P. Friedmann, 2018, AIAA Journal.

Application of a CFD-Based Surrogate Approach for Active Flow Control Modeling

Peretz P. Friedmann, Ryan P. Patterson, P. Friedmann, 2019, AIAA Scitech 2019 Forum.

Vibration suppression in helicopter rotor/flexible fuselage system using the ACSR approach with disturbance rejection

Peretz P. Friedmann, Thiem Chiu, P. Friedmann, 1996 .

Multi-Objective Optimization Framework for Hypersonic Aerothermoelastic Scaling Laws and Its Application

Peretz P. Friedmann, Daning Huang, P. Friedmann, 2020 .

Studies in integrated aeroservoelastic optimization of actively controlled composite wings

Peretz P. Friedmann, E. Livne, L. Schmit, 1991 .

Rotorcraft Vibration Reduction and Noise Prediction Using a Unified Aeroelastic Response Simulation

Li Liu, Peretz P. Friedmann, Li Liu, 2003 .

An Aerothermoelastic Analysis Framework Enhanced by Model Order Reduction With Applications

Peretz P. Friedmann, Tomer Rokita, Daning Huang, 2017 .

Some conclusions regarding the aeroelastic stability of hingeless helicopter blades in hover and in forward flight

Peretz P. Friedmann, P. Friedmann, 1973 .

Exploratory Design Studies of Actively Controlled Wings Using Integrated Multidisciplinary Synthesis

Peretz P. Friedmann, Lucien A. Schmit, E. Livine, 1992 .

Vibration reduction in rotorcraft using active control - A comparison of various approaches

Peretz P. Friedmann, Thomas A. Millott, P. Friedmann, 1995 .

Aerothermoelastic Scaling Laws for Hypersonic Skin Panel Configurations with Arbitrary Flow Orientation

Peretz P. Friedmann, Tomer Rokita, Daning Huang, 2018, AIAA Journal.

Rotary-wing aeroelasticity - Current status and future trends

Peretz P. Friedmann, P. Friedmann, 2001 .

Adaptive Harmonic Steady-State Control for Disturbance Rejection

Dennis S. Bernstein, Li Liu, Peretz P. Friedmann, 2006, IEEE Transactions on Control Systems Technology.

The AVINOR Aeroelastic Simulation Code and its Application to Reduced Vibration Composite Rotor Blade Design

Bryan Glaz, Peretz P. Friedmann, Carlos E. S. Cesnik, 2009 .

Application of the finite-state arbitrary-motion aerodynamics to rotor blade aeroelastic response and stability in hover and forward flight

Peretz P. Friedmann, M. A. H. Dinyavari, P. Friedmann, 1985 .

RECENT TRENDS IN ROTARY-WING AEROELASTICITY

Peretz P. Friedmann, P. Friedmann, 1987 .

Formulation and solution of rotary-wing aeroelastic stability and response problems

Peretz P. Friedmann, P. Friedmann, 1983 .

Coupled rotor-flexible fuselage vibration reduction using open loop higher harmonic control

Peretz P. Friedmann, Comandur Venkatesan, I. Papavassiliou, 1991 .

Approximate Aeroelastic Modeling of Flapping Wings in Hover

Peretz P. Friedmann, Wei Shyy, Abhijit Gogulapati, 2013 .

Retrospective Cost Adaptive Control for Helicopter Vibration Reduction

Dennis S. Bernstein, Peretz P. Friedmann, Ashwani K. Padthe, 2013 .

Influence of unsteady aerodynamics on rotor blade aeroelastic stability and response

Peretz P. Friedmann, L. H. Robinson, L H Robinson, 1990 .

An integrated aerothermoelastic analysis framework for predicting the response of composite panels

Peretz P. Friedmann, Daning Huang, P. Friedmann, 2016 .

Aeroelastic and Aerothermoelastic Vehicle Behavior in Hypersonic Flow

Peretz P. Friedmann, Jack J. McNamara, Kenneth G. Powell, 2005 .

Coupled flap-lag-torsional dynamics of hingeless rotor blades in forward flight

Peretz P. Friedmann, S. B. R. Kottapalli, P. Friedmann, 1982 .

A CFD-Based Nonlinear Reduced-Order Aerodynamic Model for Comprehensive Simulation of Rotorcraft with Active Microflaps

Li Liu, Peretz P. Friedmann, François Xavier Bagnoud, 2009 .

Computational aerodynamics of low Reynolds number plunging, pitching and flexible wings for MAV applications

Wei Shyy, Peretz P. Friedmann, Carlos E. S. Cesnik, 2008 .

VIBFtATION SUPPRESSION IN HELICOPTERS USING THE ACSR* APPROACH WITH IMPROVED AERODYNAMIC MODELING

Peretz P. Friedmann, Richard C. Cribbst, P. Friedmann, 1999 .

Closed-loop fidelity assessment of linear time-invariant helicopter models for rotor and flight control interaction studies

Peretz P. Friedmann, François Xavier Bagnoud, Ashwani K. Padthe, 2014 .

Helicopter rotor dynamics and aeroelasticity - Some key ideas and insights

Peretz P. Friedmann, P. Friedmann, 1990 .

A Fundamental Study of Active Vibration Control in Rotorcraft Using the ACSR Approach

Peretz P. Friedmann, 1997 .

AEROELASTIC STABILITY AND RESPONSE OF HORIZONTAL AXIS WIND TURBINE BLADES.

Peretz P. Friedmann, Aviv Rosen, S. B. R. Kottapalli, 1979 .

Thermomechanical Behavior of a Damaged Thermal Protection System: Finite-Element Simulations

Peretz P. Friedmann, Anthony M. Waas, Wei Heok Ng, 2012 .

Vibration analysis of composite turbopropellers using a nonlinear beam-type finite-element approach

Peretz P. Friedmann, J. B. Kosmatka, P. Friedmann, 1989 .

Renaissance of Aeroelasticity and Its Future

Peretz P. Friedmann, P. Friedmann, 1999 .

Three-Dimensional Aeroelastic and Aerothermoelastic Behavior in Hypersonic Flow

Peretz P. Friedmann, Jack J. McNamara, Kenneth G. Powell, 2005 .

Comparison of experimental coupled helicopter rotor/body stability results with a simple analytical model

Peretz P. Friedmann, Comandur Venkatesan, 1988 .

Approximate Aeroelastic Modeling of Flapping Wings: Comparison with CFD and Experimental Data

Peretz P. Friedmann, Wei Shyy, Abhijit Gogulapati, 2010 .

Aeroelastic and Aerothermoelastic Analysis in Hypersonic Flow: Past, Present, and Future

Peretz P. Friedmann, Jack J. McNamara, P. Friedmann, 2011 .

Development of a structural optimization capability for the aeroelastic tailoring of composite rotor blades with straight and swept tips

Peretz P. Friedmann, Comandur Venkatesan, K. Yuan, 1992 .

Rotary Wing Aeroelasticity

Peretz P. Friedmann, P. Friedmann, 2010 .

A CFD-based reduced order aerodynamic model for on-blade active control in rotorcraft

Li Liu, Peretz P. Friedmann, Ashwani K. Padthe, 2011 .

Vibration and noise alleviation in rotorcraft using on-blade control implemented by microflaps

Peretz P. Friedmann, François Xavier Bagnoud, Ashwani K. Padthe, 2012 .

A moderate deflection composite helicopter rotor blade model with an improved cross-sectional analysis

Bryan Glaz, Peretz P. Friedmann, Rafael Palacios, 2009 .

Adaptive harmonic steady state control for disturbance rejection

Dennis S. Bernstein, Li Liu, Peretz P. Friedmann, 2004 .

HYPERSONIC AEROTHERMOELASTICITY WITH APPLICATION TO REUSABLE LAUNCH VEHICLES

Peretz P. Friedmann, Jack J. McNamara, Kenneth G. Powell, 2003 .

Aeromechanics meeting is a huge success

Peretz P. Friedmann, Richard Bennett, Robert A. Ormiston, 2014 .

Aeroelastic modeling of composite rotor blades with straight and swept tips

Peretz P. Friedmann, Kuo-An Yuan, Comandur Venkatesan, 1992 .

Nonlinear coupled rotor-fuselage helicopter vibration studies with higher harmonic control

Peretz P. Friedmann, Comandur Venkatesan, I. Papavassiliou, 1990 .

Structural optimization with aeroelastic constraints of rotor bladeswith straight and swept tips

Peretz P. Friedmann, Roberto Celi, P. Friedmann, 1988 .

Reduced-Order Nonlinear Unsteady Aerodynamic Modeling Using a Surrogate-Based Recurrence Framework

Bryan Glaz, Peretz P. Friedmann, Li Liu, 2010 .

Simultaneous blade-vortex interaction noise and vibration reduction in rotorcraft using microflaps, including the effect of actuator saturation

Peretz P. Friedmann, Ashwani K. Padthe, P. Friedmann, 2015 .

Robust Design of Small Unmanned Helicopter for Hover Performance Using Taguchi Method

Ranjan Ganguli, Peretz P. Friedmann, Dineshkumar Harursampath, 2018, Journal of Aircraft.

Aeroelastic behavior of composite helicopter rotor blades with advanced geometry tips

Peretz P. Friedmann, Kuo An Yuan, 1995 .

A Surrogate-Based Optimization Framework for Hypersonic Aerothermoelastic Scaling Laws with Application to Skin Panels

Peretz P. Friedmann, Daning Huang, P. Friedmann, 2019, AIAA Scitech 2019 Forum.

Nonlinear equations of equilibrium for elastic helicopter or wind turbine blades undergoing moderate deformation

Peretz P. Friedmann, A. Rosen, P. Friedmann, 1978 .

Aeromechanical stability analysis of a hybrid heavy lift multirotor vehicle in hover

Peretz P. Friedmann, Comandur Venkatesan, 1985 .

On-blade control of rotor vibration, noise, and performance: Just around the corner? The 33rd Alexander Nikolsky honorary lecture

Peretz P. Friedmann, P. Friedmann, 2014 .

Uncertainty Propagation in Integrated Airframe Propulsion System Analysis for Hypersonic Vehicles

Peretz P. Friedmann, Sean M. Torrez, James F. Driscoll, 2011 .

Simulation of Maritime Helicopter Dynamics During Approach to Landing With Time-Accurate Wind-Over-Deck

Peretz P. Friedmann, Karthik Duraisamy, Ashwani K. Padthe, 2019, AIAA Scitech 2019 Forum.

Influence of various unsteady aerodynamic models on the aeromechanical stability of a helicopter in ground resonance

Peretz P. Friedmann, Comandur Venkatesan, P. Friedmann, 1984 .

The Practical Implementation of an Actively Controlled Flap to Reduce Vibrations in Helicopter Rotors

Peretz P. Friedmann, Thomas A. Millott, P. Friedmann, 1993 .

Application of modern structural optimization to vibration reduction in rotorcraft

Peretz P. Friedmann, P. Friedmann, 1984 .

Application of a Weighted Average Surrogate Approach to Helicopter Rotor Blade Vibration Reduction

Bryan Glaz, Peretz P. Friedmann, Raphael T. Haftka, 2007 .

A FUNDAMENTAL STUDY OF NONLINEAR AEROELASTIC PHENOMENA IN FLAPPING WING MICRO AIR VEHICLES Principal Investigator

Wei Shyy, Peretz P. Friedmann, W. Shyy, 2008 .

Structural optimization of rotor blades with straight and swept tips subject to aeroelastic constraints

Peretz P. Friedmann, Roberto Celi, P. Friedmann, 1989 .

A surrogate-based approach to reduced-order dynamic stall modeling

Bryan Glaz, Peretz P. Friedmann, Li Liu, 2012 .

Computational aeroelastic studies of a generic hypersonic vehicle

Peretz P. Friedmann, Kenneth G. Powell, Robert E. Bartels, 2009, The Aeronautical Journal (1968).

Higher-Harmonic-Control Algorithm for Helicopter Vibration Reduction Revisited

Dennis S. Bernstein, Peretz P. Friedmann, Dan Patt, 2005 .

On- Blade Control of Rotorcraft Vibration, Noise and Performance Just Around the Corner?

Peretz P. Friedmann, P. Friedmann, 2013 .

Unsteady aerodynamics in time and frequency domains for finite time arbitrary motion of rotary wings in hover and forward flight

Peretz P. Friedmann, M. A. H. Dinyavari, P. Friedmann, 1984 .

MULTIPLE SURROGATES AND ERROR MODELING IN OPTIMIZATION OF LIQUID ROCKET PROPULSION COMPONENTS

Prashant Kumar, Peretz P. Friedmann, Kwang-Yong Kim, 2007 .

Helicopter vibration reduction throughout the entire flight envelope using surrogate-based optimization

Li Liu, Bryan Glaz, Peretz P. Friedmann, 2007 .

Hysteresis Characterization in Piezoceramic Stack Actuators and Its Influence on Vibration and Noise Reduction in Helicopters Using Actively Controlled Flaps

Peretz P. Friedmann, Li Liu, Devesh Kumar, 2010 .

Formulation of the aeroelastic stability and response problem of coupled rotor/support systems

Peretz P. Friedmann, William Warmbrodt, P. Friedmann, 1979 .

A Historical Perspective on Rotary Wing Dynamics and Aeroelasticity

Peretz P. Friedmann, Dewey H. Hodges, P. Friedmann, 2003 .

Control Augmented Structural Optimization of Aeroelasticity Tailored Fiber Composite Wings

Peretz P. Friedmann, Lucien A Schmit, 1991 .

Hypersonic Aerothermoelastic Studies for Reusable Launch Vehicles

Peretz P. Friedmann, Jack J. McNamara, Kenneth G. Powell, 2004 .

Aeroelastic Response Of Swept Tip Rotors Including The Effects Of BVI

Peretz P. Friedmann, Marino de Terlizzi, P. Friedmann, 1998 .

Rotor blade aeroelasticity in forward flight with an implicit aerodynamic formulation

Peretz P. Friedmann, R. Celi, P. Friedmann, 1988 .

Aeroelastic tailoring analysis for preliminary design of advanced turbo propellers with composite blades

Peretz P. Friedmann, Takashi Yamane, P. Friedmann, 1990 .

Uncertainty Propagation in Hypersonic Aerothermoelastic Analysis

Bryan Glaz, Peretz P. Friedmann, Andrew R. Crowell, 2010 .

A study of coupled rotor-fuselage vibration with higher harmonic control using a symbolic computing facility

Peretz P. Friedmann, Comandur Venkatesan, I. Papavassiliou, 1990 .

BVI alleviation using active control

Peretz P. Friedmann, Marino d, P. Friedmann, 1999 .

Helicopter aeroelastic stability and response - Current topics and future trends

Peretz P. Friedmann, 1990 .

Vibration suppression in helicopter with the ACSR approach using an improved control algorithm

Peretz P. Friedmann, R. Cribbs, P. Friedmann, 1999 .

Impact of structural optimization with aeroelastic/multidisciplinary constraints on helicopter rotor design

Peretz P. Friedmann, P. Friedmann, 1992 .

Rotor performance enhancement and vibration reduction in presence of dynamic stall using actively controlled flaps

Dennis S. Bernstein, Peretz P. Friedmann, Li Liu, 2008 .

Application of a New Compressible Time Domain Aerodynamic Model to Vibration Reduction in Helicopters Using an Actively Controlled Flap

Peretz P. Friedmann, T. F. Myrtle, Timothy F. Myrtle, 2001 .

A new look at arbitrary motion unsteady aerodynamics and its application to rotary-wing aeroelasticity

Peretz P. Friedmann, P. Friedmann, 1985 .

Approximate Aerodynamic and Aeroelastic Modeling of Flapping Wings in Hover and Forward Flight

Peretz P. Friedmann, Abhijit Gogulapati, P. Friedmann, 2011 .

Coupled helicopter rotor/flexible fuselage aeroelastic model for control of structural response

Peretz P. Friedmann, Thiem Chiu, Richard C. Cribbs, 2000 .

Comprehensive Numerical Assessment of Rotorcraft Vibration and Noise Control Using Microflaps

Peretz P. Friedmann, Li Liu, Miang H. Chia, 2016 .

Numerical Evaluation of Microflaps for On Blade Control of Noise and Vibration

Peretz P. Friedmann, Ashwani K. Padthe, Li Liu, 2011 .

Vibration Reduction on Helicopter Rotors Using Open Loop Flow Control

Peretz P. Friedmann, Ryan P. Patterson, P. Friedmann, 2020, AIAA Scitech 2021 Forum.

Coupled helicopter rotor/body aeromechanical stability comparison oftheoretical and experimental results

Peretz P. Friedmann, Comandur Venkatesan, P. Friedmann, 1985 .

Influence of Modeling and Blade Parameters on the Aeroelastic Stability of a Cantilevered Rotor

Peretz P. Friedmann, P. Friedmann, 1977 .

Simultaneous BVI Noise and Vibration Reduction in Rotorcraft Using Microflaps Including the Effect of Actuator Saturation

Peretz P. Friedmann, François Xavier Bagnoud, Ashwani K. Padthe, 2012 .

An aeroelastic model for composite rotor blades with straight and swept tips. Part I: Aeroelastic stability in hover

Peretz P. Friedmann, Marino de Terlizzi, P. Friedmann, 2002 .

Application of Vortex Methods to Coaxial Rotor Wake and Load Calculations in Hover

Peretz P. Friedmann, P. Friedmann, Puneet Singh, 2017 .

Announcements, Comments, and Acknowledgments

Peretz P. Friedmann, P. Friedmann, 2011 .

Coupled rotor-fuselage vibration reduction using open-loop blade pitch control

Peretz P. Friedmann, Comandur Venkatesan, I. Papavassiliou, 1993 .

Hypersonic panel flutter studies on curved panels

Peretz P. Friedmann, P. Friedmann, I. Nydick, 1995 .

Application of Vortex Methods to Coaxial Rotor Wake and Load Calculations

Peretz P. Friedmann, P. Friedmann, Puneet Singh, 2017 .

Structural dynamic model of composite rotor blades undergoing moderate deflections

Peretz P. Friedmann, Comandur Venkatesan, P. Friedmann, 1992 .

An aerothermoelastic analysis framework with reduced-order modeling applied to composite panels in hypersonic flows

Peretz P. Friedmann, Daning Huang, P. Friedmann, 2020 .

Coupled rotor-fuselage vibration reduction with multiple frequency blade pitch control

Peretz P. Friedmann, Comandur Venkatesan, I. Papavassiliou, 1991 .

Lateral and Torsional Response of Buildings to Wind Loads

Peretz P. Friedmann, Carlos P. Patrickson, P. Friedmann, 1977 .

Application of time-domain unsteady aerodynamics to rotary-wing aeroelasticity

Peretz P. Friedmann, M. A. H. Dinyavari, P. Friedmann, 1986 .

A new sensitivity analysis for structural optimization of composite rotor blades

Peretz P. Friedmann, Comandur Venkatesan, P. Friedmann, 1993 .

Unsteady Aerodynamic Analysis of a Bird-Damaged Turbofan

Peretz P. Friedmann, Eric R. Muir, 2013 .

An approximate unsteady aerodynamic model for flapped airfoils including improved drag predictions

Li Liu, Peretz P. Friedmann, François Xavier Bagnoud, 2008 .

Dynamic Stall Modeling Using Viscous Vortex Particle Method for Coaxial Rotors

Peretz P. Friedmann, Puneet Singh, 2020 .

Free and forced response of multi-span beams and multi-bay trusses with localized modes

Peretz P. Friedmann, Oddvar O. Bendiksen, S. D. Lust, 1995 .

High-Fidelity Linear Time-Invariant Models for Higher Harmonic Closed-Loop Rotor Control Studies

Peretz P. Friedmann, Ashwani K. Padthe, J. V. R. Prasad, 2017 .

Vibration and noise reduction of helicopter rotors using an active/passive approach

Li Liu, Bryan Glaz, Peretz P. Friedmann, 2008 .

Mode localization in multispan beams

Peretz P. Friedmann, Oddvar O. Bendiksen, O. Bendiksen, 1990 .

Aeroelastic Instabilities of Hingeless Helicopter Blades

Peretz P. Friedmann, P. Friedmann, 1973 .

Aerothermoelastic and aeroelastic studies of hypersonic vehicles using CFD

Peretz P. Friedmann, Nicolas Lamorte, P. Friedmann, 2013 .

FORMULATION AND SOLUTION OF ROTARY-WING AEROELASTIC PROBLEMS.

Peretz P. Friedmann, P. Friedmann, 1981 .

Active Control Of BVI Induced Vibrations Using A Refined Aerodynamic Model And Experimental Correlation

Peretz P. Friedmann, Marino de Terlizzi, P. Friedmann, 1999 .

Approximate aerodynamic and aeroelastic modeling of flapping wings in forward flight

Peretz P. Friedmann, Abhijit Gogulapati, P. Friedmann, 2014 .

Approximate Modeling of Unsteady Aerodynamics for Hypersonic Aeroelasticity

Bryan Glaz, Peretz P. Friedmann, Andrew R. Crowell, 2010 .

Numerical methods for determining the stability and response of periodic systems with applications to helicopter rotor dynamics and aeroelasticity

Peretz P. Friedmann, P. Friedmann, 1986 .

Coupled Bending-Torsion Flutter in Cascades

Peretz P. Friedmann, Oddvar Bendiksen, O. Bendiksen, 1979 .

Flutter-Boundary Identification for Time-Domain Computational Aeroelasticity

Peretz P. Friedmann, Jack J. McNamara, P. Friedmann, 2007 .

Rotary-wing aeroelasticity - Current status and future trends

Peretz P. Friedmann, Peretz P. Friedmann, P. Friedmann, 2001 .

Experimental and Computational Study on Flapping Wings with Bio-Inspired Hover Kinematics

Peretz P. Friedmann, Wei Shyy, Chang-kwon Kang, 2014 .

Effect of modified aerodynamic strip theories on rotor blade aeroelastic stability

Peretz P. Friedmann, P. Friedmann, C. Yuan, 1976 .

Coupled Bending-Torsion Flutter in Cascades

Peretz P. Friedmann, Oddvar Bendiksen, 1980 .

Rotary wing aeroelasticity - A historical perspective and some current trends

Peretz P. Friedmann, François Xavier Bagnoud, P. Friedmann, 2003 .

APPLICATION OF THE FINITE ELEMENT METHOD TO ROTARY-WING AEROELASTICITY.

Peretz P. Friedmann, F. Straub, P. Friedmann, 1980 .

Hypersonic Aeroelastic and Aerothermoelastic Studies Using Computational Fluid Dynamics

Peretz P. Friedmann, Nicolas Lamorte, P. Friedmann, 2014 .

Computational Study of Microflaps with Application to Vibration Reduction in Helicopter Rotors

Li Liu, Peretz P. Friedmann, Ashwani K. Padthe, 2011 .

Aeroelasticity and structural optimization of rotor blades with swept tips

Peretz P. Friedmann, R. Celi, 1988 .

INFLUENCE OF UNSTEADY AERODYNAMIC MODELS ON AEROMECHANICAL STABILITY IN GROUND RESONANCE.

Peretz P. Friedmann, Comandur Venkatesan, P. Friedmann, 1986 .

Time domain unsteady incompressible cascade airfoil theory for helicopter rotors in hover

Peretz P. Friedmann, M. A. H. Dinyavari, P. Friedmann, 1989 .

Coupled Rotor/Tower Aeroelastic Analysis of Large Horizontal Axis Wind Turbines

Peretz P. Friedmann, William Warmbrodt, P. Friedmann, 1980 .

Aeroelastic Analysis of a Trimmed Generic Hypersonic Vehicle

Peretz P. Friedmann, I. Nydick, P. Friedmann, 1997, 4th International Symposium on Fluid-Structure Interactions, Aeroelasticity, Flow-Induced Vibration and Noise: Volume III.

Characterization of carbon nanotubes produced by arc discharge: Effect of the background pressure

Peretz P. Friedmann, Michael Keidar, Anthony M. Waas, 2004 .