Photo of Panagiotis Michaleris

Panagiotis Michaleris

Adjunct Professor

Affiliation(s):

  • Mechanical and Nuclear Engineering
  • Mechanical Engineering

232 Reber Building

pxm32@psu.edu

814-863-7273

Personal or Departmental Website

Research Areas:

Interest Areas:

Nonlinear finite elements, Additive manufacturing modeling, Welding residual stress, and distortion.

 
 

 

Education

Publications

Books

  • Panagiotis Michaleris, 2011, Minimization of welding distortion and buckling: Modeling and implementation, Woodhead Publishing

Book Reviews

  • Panagiotis Michaleris, 2002, Finite element procedures by K.-J. Bathe, Prentice Hall/Pearson Education

Parts of Book

  • Panagiotis Michaleris, 2014, Minimization of welding distortions, Springer
  • Panagiotis Michaleris, 2011, Thermo-mechanical effects on fusion welding, pp. 146-157
  • L. E. Lindgren and Panagiotis Michaleris, 2005, Chapter 1.4. Modeling of welding for residual stresses
  • Panagiotis Michaleris, 2005, Chapter 5. Welding solid mechanics, Woodhead Publishing

Journal Articles

  • E. Denlinger, Panagiotis Michaleris and T. Palmer, 2015, "Effect of inter-layer dwell time on distortion and residual stress in additive manufacturing of titanium and nickel alloys", Journal of Materials Processing Technology, 215, pp. 123-131
  • J. Heigel, Panagiotis Michaleris and T. Palmer, 2015, "In situ monitoring and characterization of distortion during laser cladding of Inconel 625", Journal of Materials Processing Technology
  • M. Gouge, J. Heigel, Panagiotis Michaleris and T. Palmer, 2015, "Modeling forced convection in the thermal simulation of laser cladding processes", International Journal of Advanced Manufacturing Technology
  • Panagiotis Michaleris, 2014, "Modeling metal deposition in heat transfer analyses of additive manufacturing processes", Finite Elements in Analysis and Design, 86, pp. 51-60
  • R. Martukanitz, Panagiotis Michaleris, T. Palmer, T. DebRoy, Z-K Liu, R. Otis, T. W. Heo and L-Q Chen, 2014, "Towards an integrated computational system for describing the additive manufacturing process for metallic materials", Additive Manufacturing, 1, pp. 52-63
  • P. Witherell, S. C. Feng, T. W. Simpson, D. B. Saint John, Panagiotis Michaleris, Z-K. Liu, L-Q. Chen and R. Martukanitz, 2014, "Toward metamodels for composable and reusable additive manufacturing process models", Journal of Manufacturing Science and Engineering
  • E. Denlinger, J. Irwin and Panagiotis Michaleris, 2014, "Thermo-mechanical modeling of additive manufacturing large parts", Journal of Manufacturing Science and Engineering
  • E. R. Denlinger, J. C. Heigel and Panagiotis Michaleris, 2014, "Residual stress and distortion modeling of electron beam direct manufacturing Ti-6Al-4V", Journal of Engineering Manufacture
  • J. Heigel, Panagiotis Michaleris and T. Reutzel, 2014, "Thermo-mechanical model development and validation of directed energy deposition additive manufacturing of Ti-6Al-4V", Additive Manufacturing
  • A. R. Lawrence and Panagiotis Michaleris, 2011, "Effects of thermal transport in the computation of welding residual stress and distortion", Science and Technology in Welding, 16, pp. 215-220
  • Panagiotis Michaleris, 2011, "Uncertainty quantification in modeling welding residual stress and distortion", Science and Technology in Welding, 16, (8), pp. 722-727
  • Panagiotis Michaleris, 2011, "Modelling welding residual stress and distortion: Current and future research trends", Science and Technology in Welding, 16, pp. 363-368
  • X. Qin and Panagiotis Michaleris, 2009, "Elasto-visco-plastic analysis of welding residual stress", Science and Technology in Welding, 14, (7), pp. 606-615
  • X. Qin and Panagiotis Michaleris, 2009, "Themo-elasto-visco-plastic modeling of friction stir welding", Science and Technology in Welding, 14, (7), pp. 640-649
  • X. Qin and Panagiotis Michaleris, 2009, "Eulerian elasto-visco-plastic formulations for residual stress prediction", International Journal for Numerical Methods in Engineering, 77, (5), pp. 634-663
  • K. Teranishi, P. Raghvan, J. Sun and Panagiotis Michaleris, 2008, "An evaluation of limited memory sparse linear solvers for thermo-mechanical applications", International Journal for Numerical Methods in Engineering, 74, pp. 1690-1715
  • L. Zhang, Panagiotis Michaleris, J. Sun and P. Marugabandhu, 2007, "Evaluation of a decoupled plastic strain method for welding distortion prediction", Journal of Manufacturing Science and Engineering, 129, pp. 1000-1010
  • S. Bhide, Panagiotis Michaleris, M. Posada and J. DeLoach, 2006, "Comparison of buckling distortion propensity for SAW, GMAW and FSW", Welding Journal, 85, pp. 189s-195s
  • Panagiotis Michaleris, L. Zhang, S. R. Bhide and P. Marugabandhu, 2006, "Evaluation of 2D, 3D and applied plastic strain methods for predicting buckling welding distortion and residual stress", Journal of Science and Technology in Welding, 10, (11), pp. 707-716
  • E. Reutzel, L. Zhang and Panagiotis Michaleris, 2006, "A differential geometry approach to simulating thermal forming", International Journal of Mechanical Sciences, 48, pp. 1046-1062
  • J. Sun, Panagiotis Michaleris, A. Gupta and P. Raghavan, 2005, "A fast implementation of the FETI-DP method: FETI-DP-RBS-LNA and applications on large scale problems with localized nonlinearities", International Journal for Numerical Methods in Engineering, 63, pp. 833-858
  • L. Zhang and Panagiotis Michaleris, 2004, "Investigation of Lagrangian and Eulerian finite element methods for modeling the laser forming process", Finite Elements in Analysis and Design, 40, pp. 383-405
  • J. Song, Panagiotis Michaleris and J. Shanghvi, 2004, "Optimization of thermo-elasto-plastic manufacturing processes", Computer Methods in Applied Mechanics and Engineering, 193, (42-44), pp. 4541-4566
  • L. Zhang, W. Reutzel and Panagiotis Michaleris, 2004, "Requirements of discretization of Lagrangian finite element modeling on the laser forming process", International Journal of Mechanical Sciences, 46, pp. 623-637
  • D. A. Tortorelli and Panagiotis Michaleris, 2003, "Nonlinear programming in process modelling and design", JOM
  • M. V. Deo and Panagiotis Michaleris, 2003, "Elimination of bowing distortion in welded stiffeners", Journal of Ship Production, 19, (2), pp. 76-83
  • S. Paul, Panagiotis Michaleris and Y. Shanghvi, 2003, "Optimization of thermo-elasto-plastic processes using Eulerian sensitivity analysis", International Journal for Numerical Methods in Engineering, 56, pp. 1125-1150
  • M. V. Deo and Panagiotis Michaleris, 2003, "Mitigation of welding induced buckling distortion using transient thermal tensioning", Science and Technology of Welding and Joining, 8, (1), pp. 49-53
  • M. V. Deo, J. Sun and Panagiotis Michaleris, 2003, "Prediction of buckling distortion of welded structures", Science and Technology in Welding, 8, (1), pp. 55-61
  • J. Song, J. Peters, A. Noor and Panagiotis Michaleris, 2003, "Sensitivity analysis of the thermomechanical response of welded joints", International Journal of Solids and Structures, 40, pp. 4167-4180
  • J. Shanghvi and Panagiotis Michaleris, 2002, "Thermo-elasto-plastic finite element analysis of quasi-state processes in Eulerian reference frames", International Journal for Numerical Methods in Engineering, 53, pp. 1533-1556
  • M. V. Deo and Panagiotis Michaleris, 2002, "Experimental verification of distortion analysis of welded stiffeners", Journal of Ship Production, 18, (4), pp. 216-225
  • O. A. Vanli and Panagiotis Michaleris, 2001, "Distortion analysis of welded stiffeners", Journal of Ship Production, 17, (4), pp. 226-240
  • S. Rajadhyaksha and Panagiotis Michaleris, 2000, "Optimization of thermal processes using an Eulerian formulation and application in laser surface hardening", International Journal for Numerical Methods in Engineering, 47, (11), pp. 1807-1823
  • Panagiotis Michaleris, J. A. Dantzig and D. A. Tortorelli, 1999, "Minimization of welding residual stress and distortion in large structures", Welding Journal, 78, (11), pp. 361s-366s
  • H. Perez-Blanco, Panagiotis Michaleris, M. Hall and M.-C. Pai, 1999, "A vibration test stand for a thermal systems laboratory", International Journal of Engineering Education, 15, (5), pp. 383-389
  • Panagiotis Michaleris and X. Sun, 1997, "Finite element analysis of thermal tensioning techniques mitigating weld buckling distortion", Welding Journal, 76, (11), pp. 451s-457s
  • Panagiotis Michaleris and A. DeBiccari, 1997, "Prediction of welding distortion", Welding Journal, 76, (4), pp. 172s-181s
  • Panagiotis Michaleris and A. DeBiccari, 1996, "A predictive technique for buckling analysis of thin section panels due to welding", Journal of Ship Production, 12, (4), pp. 269-275
  • Panagiotis Michaleris, D. A. Tortorelli and C. A. Vidal, 1995, "Analysis and optimization of weakly coupled thermoelastoplastic systems with applications to weldment design", International Journal for Numerical Methods in Engineering, 38, (8), pp. 1259-1285
  • Panagiotis Michaleris, D. A. Tortorelli and C. A. Vidal, 1994, "Tangent operators and design sensitivity formulations for transient non-linear coupled problems with applications to elastoplasticity", International Journal for Numerical Methods in Engineering, 37, (14), pp. 2471-2499
  • D. A. Tortorelli and Panagiotis Michaleris, 1994, "Design sensitivity analysis: Overview and review", Inverse Problems in Engineering, 1, (1), pp. 71-105

Conference Proceedings

  • P. Witherell, S. C. Feng, T. W. Simpson, D. B. Saint John, Panagiotis Michaleris, Z-K. Liu, L-Q. Chen and R. Martukanitz, 2014, "Toward metamodels for composable and reusable additive manufacturing process models", ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • T. M. Smith*, Panagiotis Michaleris, E. W. Reutzel and B. Hall, 2012, "Finite element model of pulsed laser forming", Proceedings of LPM2012 - 13th International Symposium on Laser Precision Microfabrication
  • X. Qin and Panagiotis Michaleris, 2009, "Themo-elasto-visco-plastic modeling of friction stir welding", 8th International Conference on Trends In Welding Research
  • S. H. Tsau and Panagiotis Michaleris, 2006, "Anisotropic H-adaptive (AH-adaptive) finite element scheme for three-dimensional multi-scale analyses", 7th International Conference on Trends In Welding Research
  • M. Bugarewicz and Panagiotis Michaleris, 2006, "Modeling of a laser-GMA hybrid welding process via finite element methods", 7th International Conference on Trends In Welding Research
  • L. Zhang and Panagiotis Michaleris, 2006, "Evaluation of a decoupled plastic strain method for welding distortion prediction", 7th International Conference on Trends In Welding Research
  • J. Sun and Panagiotis Michaleris, 2006, "MPI implementation of the FETI-DP-RBS-LNA algorithm and its applications on large scale problems with localized nonlinearities", 7th International Conference on Trends In Welding Research
  • J. Song and Panagiotis Michaleris, 2006, "Eulerian elasto-plastic formulations for residual stress analysis of friction stir welding", 7th International Conference on Trends In Welding Research
  • M. Bugarewicz, Panagiotis Michaleris, S. Kelly and T. Reutzel, 2005, "Laser-GMA hybrid welding: Distortion analysis and design optimization modeling techniques", ICALEO
  • J. Sun and Panagiotis Michaleris, 2004, "Modified FETI-DP method: FETI-DP-RBS-LNA and its applications on coupled linear-nonlinear large scale welding and laser forming problems", Numiform 04
  • M. Posada, J. De Loach, A. P. Raynolds, S. R. Bhide and Panagiotis Michaleris, 2003, "Evaluation of friction stir welded HSLA-65 in advanced marine materials", Royal Institute of Naval Architects
  • Panagiotis Michaleris and J. Song, 2003, "Sensitivity analysis and optimization of thermo-elasto-plastic process with applications to welding side heater design", Plasticity 03
  • Panagiotis Michaleris and J. Song, 2003, "Sensitivity analysis and optimization of thermo-elasto-plastic process with applications to welding side heater design", CMEM 03, WIT Press
  • E. W. Reutzel, J. U. Aburdene, K. J. Gombotz, J. P. Magnusen, R. P. Martukanitz, Panagiotis Michaleris and L. Zhang, 2002, "Continuing development of a laser line forming system", Proceedings of the 2002 International Congress on Laser and Electro-Optics (ICALEO)
  • M. V. Deo and Panagiotis Michaleris, 2002, "Elimination of welding induced buckling distortion", 6th International Conference on Trends In Welding Research
  • Panagiotis Michaleris, N. J. Salamon, R. S. Engel, C. J. Lissenden, G. Lesieutre and E. Smith, 2001, "Finite elements in mechanics and design", ASME International Mechanical Engineering Congress & Exposition, New York, NY
  • Panagiotis Michaleris and S. Paul, 2001, "Optimization of a thermo-elasto-plastic process using Eulerian sensitivity analysis", 6th US National Congress on Computational Mechanics, Dearborn, MI
  • J. Shanghvi and Panagiotis Michaleris, 2001, "Thermo-elasto-plastic finite element analysis of quasi-state processes in Eulerian reference frames", First MIT conference on computational fluid and solid mechanics, Cambridge, MA
  • E. W. Reutzel, R. P. Martukanitz, Panagiotis Michaleris, L. Zhang, A. J. Savitz, J. P. Magnusen, J. U. Aburdent and K. J. Gombotz, 2001, "Development of a system for the laser assisted forming of plate", Laser Institute of America, USA, pp. 779-788
  • A. DeBiccari and Panagiotis Michaleris, 2000, "Implementation of analytical tools for the prediction and control of distortion in thin panel structures", pp. 73-96
  • Panagiotis Michaleris, 1999, "Numerical modeling and minimization of welding distortion", Panamerican Congress on Applied Mechanics, PACAM, pp. 275-278
  • B. G. Chandran and Panagiotis Michaleris, 1999, "Prediction and optimizatoin of microstruture in materials processing", 3rd World Congress of Structural and Multidisciplinary Optimization, Buffalo, NY
  • S. Rajadhyaksha and Panagiotis Michaleris, 1999, "Optimization of thermal processes using an Eulerian formulation and application in laser surface hardening", Optimization in Industry, Engineering Foundation, Banff, Canada, pp. 309-316
  • S. Rajadhyaksha and Panagiotis Michaleris, 1999, "Analysis of thermo-mechanical processes and design sensitivities evaluation using an Eulerian formulation and application in welding", 5th US National Congress on Computational Mechanics, Boulder, CO, pp. 467-468
  • Panagiotis Michaleris, J. Dantzig and D. A. Tortorelli, 1998, "Optimization of the thermal tensioning process for minimum residual stress and distortion", 5th International Conference on Trends In Welding Research, Pine Mountain, GA, pp. 988-992
  • Panagiotis Michaleris, M. Kirk, W. Mohr and T. McGaughy, 1997, "Incorporation of residual stress effects into fracture assessments via the finite element method", ASTM International, 28
  • Panagiotis Michaleris, 1997, "Prediction and minimization of welding induced distortion", International Institute of Welding Conference
  • Panagiotis Michaleris, Z. Feng and G. Campbell, 1997, "Evaluation of 2D and 3D FEA models for predicting residual stress and distortion", Pressure Vessel and Piping Conference, ASME, pp. 91-102
  • W. Mohr, Panagiotis Michaleris and M. Kirk, 1997, "An improved treatment of residual stress in flaw assessment of pipes and pressure vessels in ferritic steels", Pressure Vessel and Piping Conference, ASME, pp. 37-47
  • Panagiotis Michaleris, M. Kirk, W. Mohr and T. McGaughy, 1996, "Incorporation of residual stress effects into fracture assessments via the finite element method", Proceedings of the 28th National Symposium on Fatigue and Fracture Mechanics, Saratoga Springs, NY, pp. 499-514
  • M. Kirk, P. C. Conrardy, A. DeBiccari and Panagiotis Michaleris, 1996, "Prediction and prevention of excessive unfairness in Arleigh Burke (DDG-51) class deckhouse fabrication", TMS, pp. 67-84
  • Panagiotis Michaleris and X. Sun, 1996, "Finite element analysis of thermal tensioning techniques mitigating weld buckling distortion", Residual Stresses in Design Fabrication, Assessment and Repair, ASME, pp. 77-87
  • Panagiotis Michaleris, 1996, "Residual stress distributions for multi-pass welds in pressure vessel and piping components", Residual Stresses in Design Fabrication, Assessment and Repair, ASME, pp. 17-27
  • Panagiotis Michaleris and A. DeBiccari, 1996, "Prediction of welding distortion", 77th Annual AWS Convention
  • Panagiotis Michaleris and A. DeBiccari, 1996, "A predictive technique for buckling analysis of thin section panels due to welding", 1996 Ship Production Symposium, pp. 394-401
  • J. M. Blackburn, M. Kirk, C. Conrardy, Panagiotis Michaleris, P. Brand, H. Prask, R. Fields, R. Hendricks, M. Kleinowski, M. Tims, P. Kahn, L. Knipple, D. Moyer, T. Zacharia, Y. Zhu, J. Cohen, J. Almer and R. Winholtz, 1996, "An overview of some current research on welding residual stresses and distortion in the US Navy", IIW, Budapest, Hungary
  • R. Gordon, Y.-Y. Wand and Panagiotis Michaleris, 1995, "Applying fitness-for-service concepts to welded structures: Special considerations for welded joints", ASME PVP, Hawaii
  • P. E. Byrne, Panagiotis Michaleris, D. A. Tortorelli and J. A. Dantzig, 1995, "Optimal design applications in casting and welding", pp. 365-372
  • Panagiotis Michaleris, D. A. Tortorelli and C. A. Vidal, 1995, "Design and analysis of weakly coupled thermoplasticity with applications to weldment design optimization", Numiform 95, Ithaca, NY, pp. 599-604
  • Panagiotis Michaleris, D. A. Tortorelli and C. A. Vidal, 1995, "Design and analysis of weakly coupled thermoplasticity with applications to weldment design optimization", The First World Congress of Structural and Multidisciplinary Optimization, Goslar, Germany

Other

  • J. Heigel, Panagiotis Michaleris, T. Reutzel and T. Palmer, 2014, "Thermo-mechanical model development of directed energy deposition of additive manufacturing"
  • E. Denlinger, J. Irwin, J. Heigel and Panagiotis Michaleris, 2014, "Residual stress and distortion modeling of electron beam deposited Ti-6Al-4V"
  • E. Denlinger, Panagiotis Michaleris and T. Palmer, 2014, "Effect of inter-layer dwell time on distortion and residual stress in additive manufacturing of Ti and Ni alloys"
  • J. Irwin and Panagiotis Michaleris, 2014, "A line heat input model for additive manufacturing"
  • T. Reutzel, J. Craig, A. Nassar, Panagiotis Michaleris, D. Kriczky and J. Irwin, 2014, "Comparison of thermal imaging measurements with FEA modeling of heat flows in directed energy laser deposition"
  • Panagiotis Michaleris and S. H. Tsau, 2007, "3D Anisotropic H-adaptive finite element scheme for thermo-mechanical analyses"
  • Panagiotis Michaleris, 2005, "Overview of welding residual stress and distortion modeling", Materials Science and Technology
  • Panagiotis Michaleris, 2005, "Modeling of welding distortion in large and complex structures"
  • Panagiotis Michaleris, 2005, "Prediction of welding distortion in large and complex structures"
  • J. Sun and Panagiotis Michaleris, 2003, "FETI-DP method and its applications on coupled linear-nonlinear large scale problems"
  • L. Zhang and Panagiotis Michaleris, 2002, "Implementation of Eulerian finite element formulation on modeling laser forming"
  • J. Song and Panagiotis Michaleris, 2002, "Sensitivity analysis and optimization of the thermo-elasto-plastic process with applications to welding side heater design"

Research Projects

  • May 2014 - August 2016, "AM Special Call - Laser DED Process Development," (Sponsor: Optomec-America Makes).
  • January 2015 - June 2015, "Metamodel Development to Support Additive Manufacturing Process Modeling & Simulation," (Sponsor: National Institute of Standards and Technology).
  • August 2013 - May 2015, "Thermal Imaging for Process Monitoring and Control of Additive Manufacturing," (Sponsor: National Center for Defense Machining and Manufacturing).
  • January 2015 - December 2015, "NAMII Design for Additive Manufacturing," (Sponsor: GE-National Additive Manufacturing Innovation Institute (subcontract for NAMII)).
  • August 2014 - June 2015, "Modeling and Optimization of Additive Manufacturing," (Sponsor: Research for Additive Manufacturing in Pennsylvania).
  • June 2013 - June 2015, "Investigating the Impact of Additive Manufacturing Process Parameters on Material Properties," (Sponsor: Schlumberger-Doll Research).
  • May 2012 - November 2014, "Center for Innovative Materials Processing through Direct Digital Deposition (CIMP-3D)," (Sponsor: Office of Naval Research (DARPA)).
  • July 2011 - June 2014, "Cyber Enabled Direct Digital Manufacturing," (Sponsor: Office of Naval Research).
  • August 2012 - July 2014, "Accelerated Certification Technology Based on Direct Digital Manufacturing of Aerospace Components," (Sponsor: NAVSEA).
  • April 2014 - May 2014, "Quantification of Residual Strains in Additive Manufactured Ti-6Al-4V Components Made Through Laser and Electron Beam Techniques, 1 week of SNS Beam time," (Sponsor: Oak Ridge National Lab).
  • January 2013 - June 2013, "Residual Stress and Distortion Modeling and Verification of Electron Beam Direct Manufacturing Ti-6Al-4V," (Sponsor: Sciaky Inc (Subcontract for AFSR)).

Honors and Awards

Service

Service to Penn State:

Service to External Organizations:

  • Chairperson, September 2011
  • Member, September 2009
 


 

About

The Department of Mechanical and Nuclear Engineering at Penn State is one of the nation’s largest and most successful engineering departments. We serve more than 1,000 undergraduate students and more than 330 graduate students

We offer B.S. degrees in mechanical engineering and nuclear engineering as well as resident (M.S., Ph.D.) and online (M.S., M.Eng.) graduate degrees in nuclear engineering and mechanical engineering. MNE's strength is in offering hands-on experience in highly relevant research areas, such as energy, homeland security, biomedical devices, and transportation systems.

Department of Mechanical and Nuclear Engineering

137 Reber Building

The Pennsylvania State University

University Park, PA 16802-4400

Phone: 814-865-2519