THE VIRTUAL FIELDS METHOD
Association des Parents d'Elèves du Conservatoire de musique agréé et de danse de Châlons en Champagne

Professor Fabrice PIERRON

photograph of Professor Fabrice Pierron
Dr Fabrice PIERRON
Professor
Head of the IFM Research Group

Arts et Métiers ParisTech
Rue Saint-Dominique - BP 508
51006 Châlons-en-Champagne - France
tel. +33 3 26 69 91 86 - fax : +33 3 26 69 91 76
e-mail: fabrice.pierron@ensam.eu
web: www.lmpf.net

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University Degrees


Professional Positions


Main administrative duties


Research interests

Mechanical testing and machining of composites: Design of composite structures: Use of full-field optical measurements and heterogeneous tests for advanced material testing:

International experience


Industrial collaborations

GEC Alsthom and Alstom, Renault, Hexcel composites, Saint-Gobain, Ifremer, SNCF, ONERA, Astrium (UK), Airbus UK, GKN Technology (UK) etc.

Scientific animation


Affiliation to Societies


Journal editing


Reviewing

Regular reviewer for Composites Science and Technology, Composites Part A (Elsevier), Journal of Composite Materials (Sage), Experimental Mechanics (Springer) etc.

Publications


Publications in international journals (January 2009)

    1994

  1. Grédiac M., Pierron F., Vautrin A.
    The Iosipescu in-plane shear test applied to composites: a new approach based on displacement field processing
    Composites Science and Technology, vol. 51, n° 3, pp 409-417, 1994.
  2. Pierron F., Vautrin A.
    Accurate comparative determination of the in-plane shear modulus of T300/914 using the Iosipescu and 45° off-axis tests
    Composites Science and Technology, vol. 52, n° 1, pp 61-72, 1994.
  3. 1995

  4. Pierron F., Vautrin A., Harris B.
    The Iosipescu in-plane shear test: validation on an isotropic material
    Experimental Mechanics, vol. 35, n° 2, pp 130-136, 1995.
  5. 1996

  6. Pierron F., Vautrin A.
    The 10° off-axis tensile test: a critical approach
    Composites Science and Technology, vol. 56, n° 4, pp 483-488, 1996.
  7. 1997

  8. Pierron F., Vautrin A.
    Measurement of the in-plane shear strength of unidirectional composites with the Iosipescu test
    Composites Science and Technology, vol. 57, n° 12, pp 1653-1660, 1997.
  9. Pierron F., Vautrin A.
    New ideas on the measurement of the in-plane shear strength of unidirectional composites
    Journal of Composite Materials, vol. 31, n° 9, pp 889-895, 1997.
  10. Pierron F., Vautrin A.
    Discussion of "Experimental Strain Analysis of the Iosipescu Shear Test Specimen" (Adams D. F. et Lewis E. Q.)
    Experimental Mechanics, vol. 37, n° 1, pp 11-12, 1997.
  11. 1998

  12. Grédiac M., Pierron F.
    A T-shaped specimen for the direct characterization of orthotropic materials
    International Journal for Numerical Methods in Engineering, vol. 41, pp 293-309, 1998.
  13. Pierron F., Alloba E., Surrel Y., Vautrin A.
    Whole-field assessment of the effects of boundary conditions on the strain field in off-axis tensile testing of unidirectional composites
    Composites Science and Technology, vol. 58, pp 1939-1947, 1998.
  14. Pierron F.
    Saint-Venant effects in the Iosipescu specimen
    Journal of Composite Materials, vol. 32, n° 22, pp 1986-2015, 1998.
  15. 1999

  16. Pierron F.
    Discussion of the article "Biaxial testing of unidirectional carbon-epoxy composite using biaxial Iosipescu test fixture"
    Journal of Composite Materials, vol. 33, n° 8, pp 683-687, 1999.
  17. Grédiac M., Pierron F., Surrel Y.
    Novel procedure for complete in-plane composite characterization using a single T-shaped specimen
    Experimental Mechanics, vol. 39, n° 2, pp 142-149, 1999.
  18. 2000

  19. Pierron F., Cerisier F., Grédiac M. A numerical and experimental study of woven composite pin-joints
    Journal of Composite Materials, vol. 34, n° 12, pp 1028-1054, 2000.
  20. Pierron F., Zhavoronok S., Grédiac M.
    Identification of the through-thickness properties of thick laminated tubes using the virtual fields method
    International Journal of Solids and Structures, vol. 37, n° 32, pp 4437-4453, 2000.
  21. Pierron F., Grédiac M.
    Identification of the through-thickness moduli of thick composites from whole-field measurements using the Iosipescu fixture
    Composites Part A: Applied Science and Manufacturing, vol. 31, n° 4, pp 309-318, 2000.
  22. 2001

  23. Grédiac M., Auslender F., Pierron F.
    Using the virtual fields method to identify the through-thickness moduli of thick composites with a nonlinear shear response
    Composites Part A: Applied Science and Manufacturing, vol. 32, n° 12, pp. 1713-1725, 2001.
  24. 2002

  25. Grédiac M., Toussaint E., Pierron F.
    Special virtual fields for the direct determination of material parameters with the virtual fields method. 1- Principle and definition
    International Journal of Solids and Structures, vol. 39, n° 10, pp. 2691-2705, 2002.
  26. Grédiac M., Toussaint E., Pierron F.
    Special virtual fields for the direct determination of material parameters with the virtual fields method. 2- Application to in-plane properties
    International Journal of Solids and Structures, vol. 39, n° 10, pp. 2707-2730, 2002.
  27. Pierron F., Poirette Y., Vautrin A.
    A novel procedure for identification of 3D moisture diffusion parameters on thick composites: theory, validation and experimental results
    Journal of Composite Materials, vol. 36, n°19, pp. 2219-2244, 2002.
  28. 2003

  29. El Mansori M., Pierron F., Paulmier D.
    Reduction of tool wear in metal cutting using external electromotive sources
    Surface and Coatings Technology, vol. 163-164C, pp. 472 - 477, 2003.
  30. Grédiac M., Toussaint E., Pierron F.
    Special virtual fields for the direct determination of material parameters with the virtual fields method. 3- Application to the bending rigidities of anisotropic plates
    International Journal of Solids and Structures, vol. 40, n° 10, pp. 2401-2419, 2003.
  31. Giraudeau A., Pierron F.
    Simultaneous identification of stiffness and damping properties of isotropic materials from forced vibrating plates
    Comptes rendus Mécanique, vol. 331, n° 4, pp. 259-264, 2003.
  32. 2004

  33. Grédiac M., Pierron F.
    Numerical issues in the virtual fields method
    International Journal for Numerical Methods in Engineering, vol. 59, n° 10, pp. 1287-1312, 2004.
  34. Chalal H., Meraghni F., Pierron F., Grédiac M.
    Direct identification of the damage behaviour of composite materials using the virtual fields method
    Composites Part A: Applied Science and Manufacturing, vol. 35, n° 7-8, pp. 841-848, 2004.
  35. Ghidossi P., El Mansori M., Pierron F.
    Edge machining effects on the failure of polymer matrix composite coupons
    Composites Part A: Applied Science and Manufacturing, vol. 35, n° 7-8, pp. 989-999, 2004.
  36. Xavier J.C., Garrido N.M., Oliveira M., Morais J.L., Camanho P.P., Pierron F.
    A comparison between the Iosipescu and off-axis shear test methods for the characterization of Pinus Pinaster Ait.
    Composites Part A: Applied Science and Manufacturing, vol. 35, n° 7-8, pp. 827-840, 2004.
  37. Avril S., Grédiac M., Pierron F.
    Sensitivity of the virtual fields method to noisy data
    Computational Mechanics, vol. 34, n° 6, pp. 439-452, 2004.
  38. 2005

  39. Giraudeau A., Pierron F.
    Identification of stiffness and damping properties of thin isotropic vibrating plates using the Virtual Fields Method. Theory and simulations
    Journal of Sound and Vibration, vol. 284, n° 3-5, pp. 757-781, 2005.
  40. 2006

  41. Toussaint E., Grédiac M., Pierron F.
    The virtual fields method with piecewise virtual fields
    International Journal of Mechanical Sciences, vol. 48, n° 3, pp. 256-264, 2006.
  42. Grédiac M., Pierron F.
    Applying the Virtual Fields Method to the identification of elasto-plastic constitutive parameters
    International Journal of Plasticity, vol. 22, pp. 602-627, 2006.
  43. Moulart R., Avril S., Pierron F.
    Identification of the through-thickness rigidities of a thick laminated composite tube
    Composites Part A: Applied Science and Manufacturing, vol. 37, n° 2, pp. 326-336, 2006.
  44. Chalal H., Avril S., Pierron F., Meraghni F.
    Experimental identification of a nonlinear model for composites using the grid technique coupled to the virtual fields method
    Composites Part A: Applied Science and Manufacturing, vol. 37, n° 2, pp. 315-325, 2006.
  45. Ghidossi P., El Mansori M., Pierron F.
    Influence of specimen preparation by machining on the failure of polymer matrix off-axis tensile coupons
    Composites Science and Technology, vol. 66, pp. 1857-1872, 2006.
  46. Pannier Y., Avril S., Rotinat R., Pierron F.
    Identification of elasto-plastic constitutive parameters from statically undetermined tests using the virtual fields method
    Experimental Mechanics, vol. 46, n° 6, pp. 735-755, 2006.
  47. Grédiac M., Pierron F., Avril S., Toussaint E.
    The virtual fields method for extracting constitutive parameters from full-field measurements: a review
    Strain: an International Journal for Experimental Mechanics, vol. 42, pp. 233-253, 2006.
  48. Giraudeau A., Guo B., Pierron F.
    Stiffness and damping identification from full field measurements on vibrating plates
    Experimental Mechanics, vol. 46, n° 6, pp. 777-787, 2006.
  49. 2007

  50. Pierron F., Green B., Wisnom M.R.
    Full-field assessment of the damage process of laminated composite open-hole tensile specimens. Part I: methodology
    Composites Part A: Applied Science and Manufacturing, vol. 38, pp. 2307–2320, 2007.
  51. Pierron F., Green B., Wisnom M.R., Hallett S.R.
    Full-field assessment of the damage process of laminated composite open-hole tensile specimens. Part II: experimental results
    Composites Part A: Applied Science and Manufacturing, vol. 38, pp. 2321–2332, 2007.
  52. Avril S., Pierron F.
    General framework for the identification of elastic constitutive parameters from full-field measurements
    International Journal of Solids and Structures, vol. 44, pp. 4978-5002, 2007.
  53. Maquin F., Pierron F.
    Experimental evidence of the microplasticity threshold in steel from heat dissipation measurements
    Comptes rendus Mécanique, vol. 335, n° 3, pp. 168-174, 2007.
  54. Pierron F., Vert G., Burguete R., Avril S., Rotinat R., Wisnom M.
    Identification of the orthotropic elastic stiffnesses of composites with the virtual fields method: sensitivity study and experimental validation
    Strain: an International Journal for Experimental Mechanics, vol. 43, n° 3, pp. 250-259, 2007.
  55. Kim J.-H., Pierron F., Wisnom M., Syed-Muhamad K., Identification of the local stiffness reduction of a damaged composite plate using the virtual fields method, Composites Part A: Applied Science and Manufacturing, vol. 38, n° 9, pp. 2065-2075, 2007.
  56. Kim J.-H., Pierron F., Grédiac M., Wisnom M.
    A procedure for producing reflective coatings on plates to be used for full-field slope measurements by a deflectometry technique
    Strain: an International Journal for Experimental Mechanics, vol. 43, pp. 138-144, 2007.
  57. Xavier J., Avril S., Pierron F., Morais J.L.
    Novel experimental approach for the characterisation of the LR stiffness parameters of clear wood using a single specimen
    Holzforschung, vol. 61, pp. 573-581, 2007.
  58. Moulart R., Rotinat R., Pierron F., Lerondel G.
    On the realization of microscopic grids for local strain measurement by direct interferometric photolithography
    Optics and Lasers in Engineering, vol. 45, n° 12, pp. 1131-1147, 2007.
  59. 2008

  60. Avril S., Pierron F., Pannier Y., Rotinat R.
    Stress reconstruction and constitutive parameter identification in elastoplasticity using measurements of deformation fields
    Experimental Mechanics, vol. 48, n° 4, pp. 403-419, 2008.
  61. Avril S., Huntley J.M., Pierron F., Steele D.D.
    3D heterogeneous stiffness identification using MRI and the virtual fields method Experimental Mechanics, vol. 48, n° 4, pp. 479-494, 2008.
  62. Sutton M.A., Yan J., Avril S., Pierron F., Adeeb S.M.
    Identification of heterogeneous parameters in a welded specimen: constant stress and virtual fields method for material property estimation
    Experimental Mechanics, vol. 48, n° 4, pp. 451-464, 2008.
  63. Avril S., Bonnet M., Bretelle A.-S., Grédiac M., Hild F., Ienny P., Latourte F., Lemosse D., Pagano S., Pagnacco E., Pierron F.

    Identification from measurements of mechanical fields
    Experimental Mechanics, vol. 48, n° 4, pp. 381-402, 2008.
  64. Avril S., Pierron F., Yan J., Sutton M.
    Identification of viscoplastic parameters and characterization of Lüders behaviour using Digital Image Correlation and the Virtual Fields Method
    Mechanics of Materials, vol. 40, n° 9, pp. 729-742, 2008.
  65. 2009

  66. Maquin F., Pierron F.
    Heat dissipation measurements in low stress cyclic loading of metallic materials: from internal friction to micro-plasticity
    Mechanics of Materials, vol. 41, n° 8, pp. 928–942, 2009.
  67. Moulart R., Rotinat R., Pierron F.
    Full-field evaluation of the onset of microplasticity in a steel specimen
    Mechanics of Materials, vol. 41, n° 11, pp. 1207-1222, 2009.
  68. Commin L., Rotinat R., Pierron F., Masse J.-E., Barrallier L.
    Identification of shear bands in AZ31 friction stir welds and laser beam welds
    Materials Science and Technology, 2009. Accepted.
  69. Pierron F.
    A novel method for measuring the through-thickness shear moduli of anisotropic plates from surface deformation measurements
    Composites Part A: Applied Science and Manufacturing, 2009. Accepted.
  70. Xavier J., Avril S., Pierron F., Morais J., Lousada J.
    Evaluation of the stiffness radial variability of P. pinaster within the stem
    Composites Part A: Applied Science and Manufacturing, 2009. Accepted.
  71. Kim J.H., Pierron F., Wisnom M., Avril S.
    Local stiffness reduction in impacted composite plates from full-field measurements
    Composites Part A: Applied Science and Manufacturing, 2009. Accepted.