Dr. Bauchau has made the following presentations

  1. “Finite Element Approach to Rotor Blade Modeling,” and
  2. “A Comparison of composite Rotor Blade Models.” Presented at the Technical Workshop on Dynamics and Aeroelastic Stability Modeling of Rotor Systems held at the Georgia Institute of Technology, Atlanta GA, Dec. 4–5 1985.
  3. “Box Beam Analysis: Theory and Experiments.” Invited Seminar at the Virginia Polytechnic Institute, Blacksburg VA, May 7, 1986.
  4. “Warping Deformations in Composite Helicopter Rotor Blades.” Invited Seminar at the Chung Shan Institute, Long Tang, Taiwan, Jun. 12, 1986.
  5. “Torsional Buckling and Damage Tolerance of Graphite/Epoxy Shafts.” Presented at the Workshop on Composite Material and Structures held at the Rensselaer Polytechnic Institute, Troy NY, Sep. 10–11, 1986.
  6. “Innovative Design with Composite Materials.” Invited Presentation at the Winter Gordon Research Conference on Composites, Santa Barbara CA, Jan. 12–16, 1987.
  7. “Finite Elements Approach to Helicopter Blade Aeroelasticity.” Invited Seminar at United Technologies Research Center, Hartford CT, May 19, 1987.
  8. “Nonlinear Composite Beam Theory,” and
  9. “An Approach to Ideal Twist Distribution in Tilt Rotor VTOL Blade Design.” Presented at the Workshop on Dynamics and Aeroelastic Stability Modeling of Rotor Systems held at the Florida Atlantic University, Boca Raton FL, Nov. 18–20 1987.
  10. “Applications of Composite Materials to Helicopter Structures.” Presented at the Center for Composite Materials and Structures Overview, held at the Rensselaer Polytechnic Institute, Troy NY, Mar. 2–3, 1988.
  11. “Nonlinear Dynamic Analysis of Composite Helicopter Rotor Blade.” Invited Seminar at Syracuse University, Syracuse NY, Mar. 4, 1988.
  12. “Dynamic Analysis of a Model Rotor in a Vacuum.” Presented at the Second Workshop on the Integrated Technology Rotor, NASA Ames Research Center, Moffet Field CA, Aug. 2–3, 1988.
  13. “A Finite Element Based Modal Approach to Multibody Dynamics.” Presented at the ARO Workshop on Multibody Dynamics, Research Triangle Park NC, Dec. 12, 1988.
  14. “Nonlinear Dynamic Analysis of Composite Helicopter Rotor Blade.” Invited Seminar at National Taiwan University, Taipei, Taiwan, Republic of China, Dec. 27, 1988.
  15. “DYMORE: A Finite Element Based Modal Analysis for Rotorcraft Modeling.” Presented at Sikorsky Aircraft, Stratford CT, May 10, 1989.
  16. “Torsional Buckling Analysis and Damage Tolerance of Graphite/Epoxy Helicopter Drive Shafts.” Presented at the 45th Annual Forum of the American Helicopter Society, Boston MA, May 22–24, 1989.
  17. “Analysis and Design of Curved Composite Beams.” Presented at the 2nd International Workshop on Composite Materials and Structures for Rotorcraft, Rensselaer Polytechnic Institute, Troy NY, Sep. 14–15, 1989.
  18. “Nonlinear Dynamics of Flexible Multibody Systems with Rotating Components.” Presented at the 5th DAMVIBS meeting, NASA Langley Research Center, Hampton VA, Sep. 10–11, 1990.
  19. “Dynamic Analysis of Rotor Flex-Structures Based on Nonlinear Anisotropic Shell Models,” and
  20. “On The Choice of Appropriate Bases for Nonlinear Dynamic Modal Analysis.” Presented at the International Technical Specialists' Meeting on Rotorcraft Basic Research, Georgia Institute of Technology, Atlanta GA, Mar. 25–27, 1991.
  21. “Direct Integration of Helicopter Rotor Nonlinear Finite Element Dynamic Equations,” and
  22. “Multibody Formulation for Helicopter Nonlinear Dynamic Analysis.” Presented at the Fourth Workshop on Dynamics and Aeroelastic Stability Modeling of Rotorcraft Systems. University of Maryland, College Park MD, Nov. 19–21, 1991.
  23. “On Design and Optimization of Curved Composite Beams.” Presented at the 48th Annual Forum of the American Helicopter Society, Washington DC, June 3–5, 1992.
  24. “Multibody Formulation for Helicopter Nonlinear Dynamic Analysis.” Presented at Bell Helicopter Textron, Inc. Fort Worth TX, Aug. 27, 1992.
  25. “Energy Balance Methodologies for Helicopter Stability Analysis.” Presented at Boeing Helicopter Corporation, Philadelphia PA, Jul. 8, 1992.
  26. “Comprehensive Structural Dynamic Analysis Methodologies for Rotorcraft.” Presented at United Technologies Sikorsky Aircraft, Stratford CT, Jul. 13, 1992.
  27. “Structural Models for Comprehensive Rotorcraft Analysis.” Presented at the Beamology Workshop, NASA Ames Research Center, Moffet Field CA, Oct. 13, 1992.
  28. “Dynamic Analysis of a Helicopter Tail-rotor Based on Nonlinear Shell Models.” Presented at the ASME Winter annual Meeting, Anaheim CA, Nov. 9–13, 1992.
  29. “Multibody Formulation for Nonlinear Dynamic Analysis.” Presented at the Rensselaer Polytechnic Institute Civil Engineering Department Seminar Series, Troy NY, Nov. 24, 1992.
  30. “Secondary Stresses in Composite Sandwich Structures and Curved Frame Members.” Presented at the Gordon Research Conference on Composites, Ventura CA, Jan. 11–15, 1993.
  31. “Helicopter Blade Design for Vibration Minimization by Optimal Placement of Moving Masses.” Presented at the AHS International Technical Specialists' Meeting on Multidisciplinary Design Optimization, Atlanta GA, Apr. 27–28, 1993.
  32. “Eigendeformation Modes in Beams and Plates.” Presented at the Second U.S. National Congress on Computational Mechanics, Washington DC, Aug. 16–18, 1993.
  33. “Nonlinear Dynamic Analysis of Multibody Systems.” Presented at Rensselaer Polytechnic Institute, Troy NY, Oct. 6, 1993.
  34. “Nonlinear Damper Effect on Ground Resonance.” Presented at the Fifth International Workshop on Dynamics and Aeroelastic Stability Modeling of Rotorcraft Systems, Rensselaer Polytechnic Institute, Troy NY, Oct. 18–20, 1993.
  35. “Multibody Formulation for Tandem Rotor Helicopters.” Presented at Boeing Helicopter Company, Philadelphia PA, Feb. 22, 1994.
  36. “Multibody Formulations for Rotorcraft Aeroelasticity.” Presented at United Technologies Sikorsky Aircraft Division, Stratford CT, May 5, 1994.
  37. “A Multibody Formulation for Helicopter Structural Analysis.” Presented at the Army Applied Aviation Technology Directorate, NASA Langley Research Center, Hampton VA, Nov. 18, 1993.
  38. “Dynamics of Helicopter Rotors with Movable Masses.” Presented at the Vehicle Structures Directorate, NASA Langley Research Center, Hampton VA, Jun. 14, 1994.
  39. “Multibody Formulations for Rotorcraft Aeroelasticity,” and
  40. “Computation of the Sectional Properties of Beams.” Presented at NASA Ames Research Center, Moffet Field CA, Jul. 20, 1994.
  41. “Multibody Formulation for Rotorcraft Dynamic Analysis.” Presented at School of Aerospace Engineering, Georgia Institute of Technology, Atlanta GA, Oct. 4, 1994.
  42. “Multibody Formulation for Power Transmission Drive Systems.” Presented at the KAMATICS Corporation, Bloomfield CT, Oct. 1, 1994.
  43. “Energy Decaying Scheme with Adaptive Time Step Methodology for Nonlinear Beam Models,” and
  44. “Dynamic Analysis of Nonlinear Elastic Multibody Systems Using Energy Decaying Schemes.” Presented at the 36th Structures, Structural Dynamics, and Materials Conference, New Orleans LA, Apr. 10–13, 1995.
  45. “Multibody Formulation for Rotorcraft Dynamic Analysis.” Presented at the American Helicopter Society 51st Annual Forum and Technology Display, Fort-Worth TX, May 9–11, 1995.
  46. “Dynamic Analysis of Helicopter Airframe Components.” Presented at the 6th International Workshop on Dynamics and Aeroelastic Stability Modeling of Rotorcraft Systems, University of California in Los-Angeles, Los-Angeles CA, Nov. 22–24, 1995.
  47. “Nonlinear Aeroelastic Effects in Damage Composite Aerospace Structures.” Presented at the AFOSR Structural Mechanics Workshop, Virginia Beach VA , Jun. 24–27, 1996.
  48. “Energy Decaying Schemes for Nonlinear Elastic Multibody Systems.” Presented at the pre-nominated session on multibody dynamics at the 19th International Congress of Theoretical and Applied Mechanics, Kyoto Japan, Aug. 24–30, 1996.
  49. “Advanced CFD and CSD Methods for Multi-Disciplinary Applications in Rotorcraft Problems.” Presented at the 6th AIAA/NASA/USAF Multi-Disciplinary Analysis and Optimization Symposium, Bellevue WA., Sep. 4–6, 1996.
  50. “Computational Schemes for the Analysis of Nonlinear Elastic Multibody Systems.” Presented at the Georgia Institute of Technology Mechanics Seminar Series, Atlanta GA, Dec. 5, 1996.
  51. “Nonlinear Aeroelastic Effects in Damaged Composite Aerospace Structures.” Presented at the 35th Aerospace Sciences Meeting and Exhibit, Reno NV, Jan. 6–9, 1997.
  52. “Improved Finite Element Modeling of Helicopter Airframe Connections.” Presented at the American Helicopter Society 53st Annual Forum and Technology Display, Virginia Beach VA, Apr. 29–May 1, 1997.
  53. “Computational Schemes for Nonlinear Elastodynamics and Multibody Dynamics.” Presented at the 4th National Congress on Theoretical and Applied Mechanics, Brussels, May 22–23, 1997. (Keynote lecture)
  54. “Computational Schemes for Nonlinear Elastic Multibody Systems.” Presented at the 16th Biennal Conference on Mechanical Vibration and Noise, Sacramento CA, Sep. 14–17, 1997.
  55. “A Comparison of Various Methods for Stability Analysis.” Presented at the Seventh International Workshop on Dynamics and Aeroelasticity Stability Modeling, St. Louis MO, Oct. 14–16, 1997.
  56. “An Implicit Floquet Theory for Rotorcraft Stability Analysis.” Presented at the American Helicopter Society 54th Annual Forum and Technology Display, Washington DC, May 20–22, 1998.
  57. “Analysis of Flexible Multibody Systems with Intermittent Contacts.” Presented at the Seventh Conference on Nonlinear Vibrations, Stability, and Dynamics of Structures, Blacksburg VA, Jul. 26–30, 1998.
  58. “On the Modeling of Prismatic Joints in Flexible Multibody Systems,” and
  59. “On the Modeling of Friction and Rolling in Flexible Multibody Systems.” Presented at the Sixth Pan-American Congress on Applied Mechanics, Rio de Janeiro, Brazil, Jan. 4–8, 1999.
  60. “Reduced Order Models for Aeroelastic Stability Analysis.” Presented at the 40th AIAA/ASME/ASCE/AHS/ ASC Structures, Structural Dynamics, and Materials Conference, St Louis MO, April 12–15, 1999.
  61. “On the Modeling of Cylindrical and Prismatic Joints in Flexible Multibody Systems.” Presented at EUROMECH Colloquium 404 of Advances in Computational Multibody Dynamics, Lisbon, Portugal, Sep. 20–23, 1999.
  62. “On the Modeling of Variable Diameter Tilt Rotor.” Presented at the Eighth Army Research Office Workshop on Aeroelasticity of Rotorcraft Systems, Penn State University, State College PA, Oct 18–20, 1999.
  63. “Contact Conditions for Cylindrical, Prismatic, and Screw Joints in Flexible Multibody Systems.” Invited Seminar, ETH seminar series in Applied Mechanics, ETH Zürich, Jan. 13, 2000.
  64. “Finite Element Based Multibody Dynamics Approach to Rotorcraft Modeling.” Presented at United Technologies, Sikorsky Aircraft, Stratford CT, Mar. 16, 2000.
  65. “Computational Schemes for Nonlinear Elasto-Dynamics,” and
  66. “Contact Conditions for Cylindrical, Prismatic, and Screw Joints in Flexible Multibody Systems,” and
  67. “On the Modeling of Friction and Rolling in Flexible Multibody Systems.” Presented at the 41th AIAA/ASME/ ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Atlanta GA, Apr. 3–6, 2000.
  68. “Stability Analysis of Comprehensive Rotorcraft Models.” Presented at the American Helicopter Society 56th Annual Forum and Technology Display, Virginia Beach VA, May 2–4, 2000.
  69. “Numerical and Physical Stability Analysis of Flexible Multibody Systems.” Invited presentation at the NATO Advanced Research Workshop on Computational Aspects of Nonlinear Structural Systems with Large Rigid Body Motions. Pultusk, Poland, Jul. 2–7, 2000.
  70. “An Implicit Transition Matrix Approach to Stability Analysis of Flexible Multibody Systems.” Presented at the 20th International Congress of Theoretical and Applied Mechanics, Chicago IL, Aug. 27th–Sep. 2nd, 2000.
  71. “A Multibody Dynamics Approach to the Modeling of Wind Turbines.” Presented at the General Purpose Aeroelastic Code Evaluation Workshop, National Renewable Energy Laboratory, National Wind Turbine Center, Boulder CO, Oct. 23–24, 2000.
  72. “Multibody Modeling of Engage and Disengage Operations of Helicopter Rotors.” Presented at the AHS Rotorcraft Dynamics and Aeromechanics Specialists' Meeting, Atlanta GA, Nov. 13–14, 2000.
  73. “A Finite Element Based Tool for the Comprehensive Analysis of Rotorcraft Systems.” Presented at the Review of Integrated Helicopter Design Tools: Technology for Rotorcraft Integrated Analysis and Design, West Palm Beach FL, Nov. 29–30, 2000.
  74. “A Finite Element Based Tool for the Analysis of Nonlinear Flexible Multibody Systems.” Presented at the Air Force Research Laboratory, Space Vehicle Directorate, Kirtland AFB, NM, March 5th, 2001.
  75. “On the Modeling of Shells in Multibody Dynamics.” Presented at the First MIT Conference on Computational Fluid and Solid Mechanics, Cambridge, MA, June 12–15, 2001.
  76. “An Energy Decaying Scheme for Nonlinear Dynamics of Shells.” Keynote Lecture presented at the Second European Conference on Computational Mechanics, Cracow, Poland, June 26–9, 2001.
  77. “A General Purpose Multibody Code Based on Conserving/Dissipative Algorithms.” Presented at the Sixth U.S. National Congress on Computational Mechanics, Dearborn, MI, Aug. 1–3, 2001.
  78. “Modeling of Joints with Clearance In Flexible Multibody Systems.” Presented at the 18th Biennial Conference on Mechanical Vibration and Noise, Pittsburgh PA, Sep. 9–12, 2001.
  79. “On the Modeling of Shells in Multibody Dynamic.” Presented at the 18th Biennial Conference on Mechanical Vibration and Noise, Pittsburgh PA, Sep. 9–12, 2001.
  80. “Comprehensive Aeromechanical Analysis Using Integrated Analysis Tools,” and
  81. “Finite Element Based Multibody Dynamic Analysis Approach to Rotorcraft Modeling.” Presented at the Rotorcraft Industry Technology Association Year End Review in Arlington TX, Feb. 26–28, 2002.
  82. “Multibody Approach to the Dynamic Analysis of Space Structures with Actuated Components.” Presented at the AFOSR Computational Mathematics and Applied Mathematics Program Review, Shalimar FL, May 29–31, 2002.
  83. “Modeling the Bifilar Pendulum Using Nonlinear, Flexible Multibody Dynamics.” Presented at the American Helicopter Society 58th Forum and Technology Display, Montréal, Québec, Canada, Jun. 11–13, 2002.
  84. “Modeling of a Vibration Absorber Using Nonlinear,Flexible Multibody Dynamics: The Bifilar Pendulum.” Presented at the Fifth World Congress on Computational Mechanics. Vienna, Austria, July 7–12, 2002.
  85. “Dynamic Simulation of Cables and Membranes.” Invited presentation at the Fifth World Congress on Computational Mechanics. Vienna, Austria, July 7–12, 2002.
  86. “Comprehensive Aeromechanical Analysis Using Integrated Analysis Tools,” and
  87. “Finite Element Based Multibody Dynamic Analysis Approach to Rotorcraft Modeling.” Presented at the Rotorcraft Industry Technology Association Year End Review in Phoenix AZ, Feb. 25–28, 2003.
  88. “Coupled Rotor-Fuselage Analysis with Finite Motions Using Component Mode Synthesis.” Presented at the American Helicopter Society 59th Forum and Technology Display, Phoenix AZ, May 6–8, 2003.
  89. “Modeling of Contact Conditions with Application to Aerospace Systems Involving Backlash, Free-play and Friction.” Presented at the 7th US National Congress on Computational Mechanics, Albuquerque NM, July 28–30, 2003.
  90. “A Self-Stabilized Algorithm for Enforcing Constraints in Multibody Systems.” Presented at the 19th Biennial Conference on Mechanical Vibration and Noise, Chicago IL, September 2–6, 2003. Paper DECT 2003 VIB-48332.
  91. “Validation of Sectional Analysis Tools for Blade Design Process,” and
  92. “Extension-Twist Coupling Optimization in Composite Rotor Blades.” Presented at the Tenth International Workshop on Aeroelasticity of Rotorcraft Systems, Atlanta, Georgia, Nov. 3–4, 2003.
  93. “Finite Element Based Multibody Dynamic Analysis Approach to Rotorcraft Modeling.” Presented at the Rotorcraft Industry Technology Association Year End Review in Atlanta GA, Feb. 18–20, 2004.
  94. “Modeling of Unilateral Contact in Multibody Systems.” Presented at the XXII Southeastern Conference on Theoretical and Applied Mechanics, Tuskegee AL, August 15-17, 2004.
  95. “Modeling of Unilateral Contact Conditions in Aerospace Systems.” Presented at the Contractor's Meeting in Mechanics of Materials and Devices & Structural Mechanics Wintergreen Resort, Wintergreen, VA, August 18–21, 2004.
  96. “Development and Validation of Accurate and Efficient Cross-sectional Analysis Tools,” and
  97. “Finite Element Based Multibody Dynamic Analysis Approach to Rotorcraft Modeling.” Presented at the Rotorcraft Industry Technology Association Year End Review in Philadelphia PA, Feb. 15–17, 2005.
  98. “DYMORE A Finite Element Based Tool for the Analysis of Nonlinear Flexible Multibody Systems.” Invited seminar in the Morphing Lecture Series presented at the National Institute of Aerospace in Hampton VA, July 26, 2005.
  99. “Modeling of Unilateral Contact Conditions in Aerospace Systems.” Presented at the Contractor's Meeting in Mechanics of Materials and Devices & Structural Mechanics, Eldorado Hotel, Santa Fe, NM, Aug. 29–Sep. 1, 2005.
  100. “Modeling Friction Phenomena in Flexible Multibody Dynamics.” Presented at the Sixth European Conference on Structural Dynamics, Paris, France, Sep. 4–7, 2005.
  101. “Stability Analysis of Complex Multibody Systems,” and
  102. “Reduced Stability to Perturbations in the Numerical Solution of Multibody DAE's.” Presented at the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Long Beach, CA, Sep. 24–28, 2005.
  103. “Aeromechanical Stability Augmentation Using Semi-active Friction Modulation of Lag Dampers,” and
  104. “On the Modeling of Hydraulic Components in Rotorcraft Systems,” and
  105. “Stability Analysis of Complex Rotorcraft Systems.” Presented at the Eleventh International Workshop on Rotorcraft Dynamics and Aeroelasticity, Boca Raton, Florida, October 12-14, 2005.
  106. “Finite Element Based Multibody Dynamic Analysis Approach to Rotorcraft Modeling.” Presented at the Center for Rotorcraft Innovation Year End Review in Dallas TX, Feb. 21–23, 2006.
  107. “Efficient and Robust Approaches to the Stability Analysis of Large Multibody Systems.” Invited Seminar presented at the University of Illinois at Chicago, Mar. 28, 2006.
  108. “On the Modeling of Hydraulic Components in Rotorcraft Systems,” Best paper in the session award, and
  109. “The Semi-Active Coulomb Friction Damper Concept.” Presented at the American Helicopter Society 62nd Forum and Technology Display, Phoenix AZ, May 9–11, 2006. Best paper in the session award.
  110. “DYMORE: A Finite Element Based Tool for Coupled CSD/CFD Aeroelastic Simulation of Rotorcraft.” Invited seminar presented at the NASA Langley Research Center, Hampton VA, July 13, 2006.
  111. “Stability Analysis of Complex Multibody Systems.” Presented at the 7th World congress on Computational Mechanics, Los Angeles CA, July 16-22, 2006.
  112. “Development and Validation of Accurate and Efficient Cross-sectional Analysis Tools,” and
  113. “Finite Element Based Multibody Dynamic Analysis Approach to Rotorcraft Modeling.” Presented at the Center For Rotorcraft Innovation Year End Review in Philadelphia PA, Feb. 14–15, 2007.
  114. “Improved Computational Strategies for Rotor Blades Presenting High Gradients in Sectional Properties,” and
  115. “Efficient and Robust Approaches for Rotorcraft Stability Analysis.” Presented at the American Helicopter Society 63rd Forum and Technology Display, Virginia Beach VA, May 1–3, 2007.
  116. “Stability Evaluation and System Identification for Rotorcraft Systems.” Invited seminar presented at Konkuk University, Seoul, South Korea, June 15, 2007.
  117. “Performance Evaluation of Numerical Integration Schemes for Flexible Multibody Systems,” and
  118. “Optimal Control Based on Subspace Identification Algorithms for Multibody Systems.” Presented at the MULTIBODY DYNAMICS 2007, ECCOMAS Thematic Conference, Milano, Italy, 25-28 June 2007.
  119. “DYMORE: A Finite Element Based Tool for coupled CSD/CFD Aeroelastic Simulations.” Invited seminar presented at Bell Helicopter, Dallas, Texas, July 19, 2007.
  120. “Enforcing Constraints in Multibody Systems: A Review“ Presented at the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Las Vegas, NV, Sep. 4–7, 2007. Keynote Lecture.
  121. “Stability Evaluation and System Identification of Flexible Multibody Systems“ Presented at the International Forum on Rotorcraft Multidisciplinary Technology for Dual Applications, Seoul, South-Korea, Oct 15-17, 2007.
  122. “Enforcing Constraints in Multibody Systems: A Review“ Invited seminar presented at Seoul National University, South-Korea, Oct. 17, 2007.
  123. “Finite Element Based Multibody Dynamic Analysis Approach to Rotorcraft Modeling.” Presented at the Center for Rotorcraft Innovation Year End Review in Phoenix AZ, Feb. 19–20, 2008.
  124. “Effect of Modeling Approximations on the Stability of Autopilot Controllers.” Presented at the American Helicopter Society 64th Forum and Technology Display, Montréal, Québec, Canada, April 29–May 1, 2008.
  125. “Flexible Multibody Dynamic Simulations.” Invited Seminar presented at the Charles Stark Draper Laboratory, Cambridge, Massachusetts, July 31st, 2008.
  126. “Rotorcraft Comprehensive Simulation using Finite Element Based Multibody Formulations.” Invited Seminar presented at the Technische Universität München, München, Germany, December 5, 2008.
  127. “Finite Element Based Formulations for Flexible Multibody Dynamics.” Invited Seminar presented at the Pennsylvania State University, University Park, PA, February 2, 2009.
  128. “Finite Element Based Formulations for Flexible Multibody Dynamics.” Invited Seminar presented at University of California, Berkeley, Berkeley, CA, February 17, 2009.
  129. “Finite Element Based Multibody Dynamic Analysis Approach to Rotorcraft Modeling.” Presented at the Center for Rotorcraft Innovation Year End Review in Mountain View CA, Feb. 24–26, 2009.
  130. “Development of Parallel Computation Tools for Flexible Multibody Systems.” Invited Seminar presented at University of Texas, Arlington, TX, October 2, 2009.
  131. “Interpolation of Finite Rotations in Flexible Multibody Dynamics Simulations,” and
  132. “Scaling of Constraints and Augmented Lagrangian Formulations in Multibody Dynamics Simulations .” Presented at the MULTIBODY DYNAMICS 2009, ECCOMAS Thematic Conference, Warsaw, Poland, 29 June–2 July 2009.
  133. “Development of Parallel Computation Tools for Flexible Multibody Systems.” Invited Seminar presented at the Nanyang Technological University, Singapore, November 23, 2009.
  134. “Finite Element Based Multibody Dynamic Analysis Approach to Rotorcraft Modeling.” Presented at the Center for Rotorcraft Innovation Year End Review in Atlanta GA, Feb. 23–25, 2010.
  135. “Combined Analytical and Experimental Approaches to Rotor and Dynamic Component Stress Predictions.” Presented at the Airloads Workshop, Atlanta GA, Feb. 25–26, 2010.
  136. “Nonlinear Stability Analysis of Wind Turbines.” Presented at the National Renewable Energy Laboratory, Golden CO, March 5, 2010.
  137. “Tensorial Deformation Measures for Flexible Joints.” Invited Seminar presented at the University of Maryland Baltimore Campus, Baltimore, March 12, 2010.
  138. “Scaling of Constraints and Augmented Lagrangian Formulations in Multibody Dynamics Simulations.” Invited Seminar presented at the University of Maryland Baltimore Campus, Baltimore, March 12, 2010.
  139. “Tensorial Deformation Measures for Flexible Joints.” Invited Seminar presented at the University of Michigan–Shanghai Jiao Tong University Joint Institute, Shanghai, China, May 18, 2010.
  140. “Intrinsic Flexible Joints,” and
  141. “Parallel Computation Approaches for Flexible Multibody Dynamics Simulations.” Presented at the First Joint International Conference on Multibody System Dynamics, Lappeenranta, Finland, 25–27 May 2010.
  142. “Tensorial Deformation Measures for Flexible Joints.” Invited Keynote lecture Presented at the Symposium on the Mechanics of Slender Structures, Donostia–San Sebastián, Euskadi, Spain 21–23 July 2010.
  143. “Tensorial Deformation Measures for Flexible Joints.” Presented at the Department of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China, September 26, 2010.
  144. “Scaling of Constraints and Augmented Lagrangian Formulations in Multibody Dynamics Simulations.” Presented at the School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai, China, October 8, 2010.
  145. “Scaling of Constraints and Augmented Lagrangian Formulations in Multibody Dynamics Simulations.” Invited seminar presented at the Middle East Technical University, Department of Aerospace Engineering, Ankara, Turkey, December 3, 2010.
  146. “Scaling of Constraints and Augmented Lagrangian Formulations in Multibody Dynamics Simulations.” Invited seminar presented at Tsinghua University, Department of Engineering Mechanics, Beijing, China, December 9, 2010.
  147. “Beam Theories of Multibody Dynamics Applications,” and
  148. “Selection of Rotation Variables for Multibody Dynamics Formulations.” Presented at the MULTIBODY DYNAMICS 2011, ECCOMAS Thematic Conference, Brussels, Belgium, 4–7 July 2011.
  149. “Stability Analysis for Complex Wind Turbine Models.” Presented at Vestas Technology R & D Americas, Inc, in Houston TX, September 1, 2011.
  150. “Finite Element Based Multibody Formulations for Flexible Multibody Systems.” Invited seminar presented at the Huazhong University of Science and Technology, Aerospace Research Center, Wuhan, China, December 20, 20101.
  151. “Intrinsic Formulations for Flexible Multibody Dynamics.” Keynote Lecture presented at the Second Joint International Conference on Multibody System Dynamics, Stuttgart, Germany, May 29–June 1, 2012.
  152. “Finite Element Based Multibody Formulations for Wind Turbines.” Invited seminar presented at the Pusan National University, Busan, South Korea, July 25, 2012.
  153. “Localized Lagrange Multipliers in Flexible Multibody Dynamics.” Keynote Lecture presented at the Sixth Asian Conference on Multibody Dynamics, Shanghai, China, Aug. 26–30, 2012.
  154. “Modeling Flexibility in Multibody Systems.” Keynote Lecture presented at the Fifth Recurdyne User's conference, Seoul, South Korea, Oct. 25–26, 2012.
  155. “Three-Dimensional Beam Theory for Flexible Multibody Dynamics.” Invited seminar presented at the Fraunhofer Institute, ITWM, Kaiserslautern, Germany, April 12, 2013.
  156. “Three-Dimensional Beam Theory for Flexible Multibody Dynamics.” Invited seminar presented at the University of Erlangen-Nuremberg, Germany, April 26, 2013.
  157. “Experimental Validation of Flexible Multibody Dynamics Beam Formulations,” and
  158. “Benchmark Problems for Beam Models in Flexible Multibody Dynamics,” and
  159. “Three-Dimensional Beam Theory for Flexible Multibody Dynamics.” Presented at the MULTIBODY DYNAMICS 2013, ECCOMAS Thematic Conference, Zagreb, Croatia, 1–4 July 2013.
  160. “Advanced Plate Theory for Multibody Dynamics,” and
  161. “Advanced Beam Theory for Multibody Dynamics,” and
  162. “Comparison of the Absolute Nodal Coordinate and Geometrically Exact Formulations for Beams.” Presented at the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Portland, OR, Aug. 4–7, 2013.
  163. “Comprehensive Modeling of Rotorcraft Using Finite Element Multibody Dynamics Procedures.” Invited seminar presented at the Hong Kong University of Science and Technology, Hong Kong, Nov. 25, 2013.
  164. “Dimensional Reduction Procedures for Comprehensive Modeling of Rotorcraft.” Invited seminar presented at the Hong Kong University of Science and Technology, Hong Kong, Jan. 22, 2014.
  165. “Comprehensive Modeling of Rotorcraft Using Finite Element Multibody Dynamics Procedures.” Invited seminar presented at the Université de Liège, Liège, Belgium, Feb. 10, 2014.
  166. “An Approach to Three-Dimensional Beam Theory: SectionBuilder.” Invited seminar presented at LMS Samtech, a Siemens Business, Angleur, Belgium, Feb. 18, 2014.
  167. “Dimensional Reduction Procedures for Flexible Multibody Systems.” Invited seminar presented at the University of Stuttgart, Stuttgart, Germany, Mar. 17, 2014.
  168. “Dimensional Reduction Procedures for Flexible Multibody Systems.” Invited seminar presented at the Karlsruhe Institute of Technology, Karlsruhe, Germany, Mar. 20, 2014.
  169. “An Approach to Three-Dimensional Beam Theory: SectionBuilder.” Invited seminar presented at SIMPACK AG, Gilching, Germany, Mar. 25, 2014.
  170. “A Novel Parallel Algorithm for Rotor Dynamics Simulation.” Presented at the American Helicopter Society 70th Annual Forum and Technology Display, Montréal, Québec, Canada, May 20–22, 2014.
  171. “Validation of Flexible Multibody Dynamics Beam Formulations using Benchmark Problems,” and
  172. “A Novel Parallel Algorithm for Flexible Multibody Dynamics Simulation,” and
  173. “Nonlinear Three-Dimensional Beam Theory for Flexible Multibody Dynamics.” Presented at the Third Joint International Conference on Multibody System Dynamics, The Seventh Asian Conference on Multibody Dynamics, BEXCO, Busan, Korea, Jun. 30–Jul. 3, 2014.
  174. “Simulation Tools for Aerospace Flexible Multibody Systems Dynamics.” Invited seminar presented at the Hong Kong Society of Theoretical and Applied Mechanics, Hong Kong, Oct. 18, 2014.
  175. “Dimensional Reduction Procedures for Flexible Aerospace Systems.” Invited seminar presented at the Seoul National University, Seoul, South Korea, Dec. 23, 2014.
  176. “Integrating Three-Dimensional Stress Evaluation with Rotorcraft Comprehensive Analysis.” Invited seminar presented at the University of Maryland, College Park, MD, Apr. 6, 2015.
  177. “Validation of Flexible Multibody Dynamics Beam Formulations using Benchmark Problems,” and
  178. “Three-Dimensional Nonlinear Shell Theory for Flexible Multibody Dynamics,” and
  179. “The Motion Formalism in Multibody Dynamics.” Presented at the MULTIBODY DYNAMICS 2015, ECCOMAS Thematic Conference, Barcelona, Spain, June 29–July 2, 2015.
  180. “On the Almansi-Michell Problem for Flexible Multibody Dynamics,” and
  181. “Three-Dimensional Non-Linear Shell Theory for Flexible Multibody Dynamics,” and
  182. “Formulations of Viscoelastic Constitutive Laws for Beams in Flexible Multibody Dynamics,” and
  183. “Three-Dimensional Plate Theory for Flexible Multibody Dynamics.” Presented at the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Boston, MA, Aug. 2–5, 2015.
  184. “Integrating Three-Dimensional Stress Evaluation with Rotorcraft Comprehensive Analysis.” Invited seminar presented at the National Institute of Aerospace, Hampton, VA, Nov. 19, 2015.
  185. “The Motion Formalism for Flexible Multibody Systems,” and
  186. “A Lie Group Approach for the Formulation of Beam and Shell Refined Theories used in Flexible Multibody Systems.” Presented at the Fourth Joint International Conference on Multibody System Dynamics, Montr\'{e}al, Canada, May 29–June 2, 2016.
  187. SectionBuilder: Refined Beam Theory for Comprehensive Rotorcraft Analysis.” Invited seminar presented at Advanced Rotorcraft Technology, Sunnyvale, California, July 7, 2016.
  188. “The Motion Formalism for Flexible Multibody Systems.” Invited seminar presented at NASA Ames Research Center, Moffet Field, California, July 7, 2016.
  189. “Kinematic Compatibility Equations for Geometrically Exact Beam Elements.” Presented at the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Charlotte, NC, Aug. 21–24, 2016.
  190. “Integrated, Efficient Analysis of Flexible Multibody Systems.” Keynote lecture presented at the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Charlotte, NC, Aug. 21–24, 2016.
  191. “Refined Beam Theory for Flexible Multibody Dynamics Systems.” Presented at the Society of Engineering Science 53rd Annual Technical Meeting, College Park, MD, Oct 2–5, 2016.