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Dr Emilio Martínez-Pañeda

Contact Details
T:+44 (0)1223 748523

Cambridge University Engineering Department
Trumpington Street, Cambridge, CB2 1PZ, UK

IMPORTANT NOTE: From September 2019 I will be working at Imperial College London as Assistant Professor (UK Lecturer), leading the Mechanics of Infrastructure Materials Lab.
I am searching for a PhD candidate, see details here: Advert

Research Interests
My research work is oriented towards the understanding, modelling and optimization of the mechanical response of engineering materials. See

Current position
1851 Research Fellow. Mechanics, Materials and Design Division. Engineering Department. Cambridge University
Junior Research Fellow. Wolfson College Cambridge

Honours and Awards
  • 2019 - Keith Miller Prize. UK Forum for Engineering Structural Integrity (FESI)
  • 2018 - Marie Sklodowska-Curie Individual Fellowship (Standard EF), EU H2020
  • 2018 - 1851 Research Fellowship (+Brunel Award), Royal Commission for the 1851 Exhibition
  • 2018 - Junior Research Fellowship, Wolfson College Cambridge.
  • 2018 - Clarin COFUND Fellowship. Marie Curie Actions (EU FP7) [Declined]
  • 2017 - Extraordinary Doctoral Prize + Best PhD Thesis in Engineering. University of Oviedo (ranked 1st out of 99 Theses)
  • 2017 - Acta Materialia Student Award
  • 2017 - Springer PhD Thesis Prize
  • 2016 - H.C. Orsted fellowship. Technical University of Denmark - Marie Curie Actions (EU FP7)
  • 2015 - Best short oral presentation. 32nd Spanish Conference on Fracture (Zamora, Spain)
  • 2014 - Best oral presentation. PhD Solid Mechanics Conference (Copenhagen, Denmark)
  • 2013 - University of Oviedo Pre-doctoral Fellowship (2014 - 2018)

  • Publications
    28) P.K. Kristensen, E. Martínez-Pañeda. Phase field fracture modelling using quasi-Newton methods and a new adaptive step scheme. Theoretical and Applied Fracture Mechanics (in press)
    27) A. Díaz, I.I. Cuesta, E. Martínez-Pañeda, J.M. Alegre. Analysis of hydrogen permeation tests considering two different modelling approaches for grain boundary trapping in iron. International Journal of Fracture (in press)
    26) E. Martínez-Pañeda, Z. Harris, S. Fuentes-Alonso, J.R. Scully, J.T. Burns. On the suitability of slow strain rate tensile testing for assessing hydrogen embrittlement susceptibility. Corrosion Science (in press)
    25) E. Martínez-Pañeda, I.I. Cuesta, N.A. Fleck. Mode II fracture of an elastic-plastic sandwich layer. Journal of Appplied Mechanics, 87(3), 031001 (2020)
    24) I.I. Cuesta, E. Martínez-Pañeda, A. Díaz, J.M. Alegre. Cold Isostatic Pressing to improve the mechanical performance of additively manufactured metallic components. Materials, 12(15), 2495 (2019)
    23) I.I. Cuesta, E. Martínez-Pañeda, A. Díaz, J.M. Alegre. The Essential Work of Fracture Parameters for 3D printed polymer sheets. Materials and Design, 181, 107968 (2019)
    22) E. Martínez-Pañeda, S. Fuentes-Alonso, C. Betegón. Gradient-enhanced statistical analysis of cleavage fracture. European Journal of Mechanics A/Solids, 77, 103785 (2019)
    21) Hirshikesh, S. Natarajan, R. K. Annabattula, E. Martínez-Pañeda. Phase field modelling of crack propagation in functionally graded materials. Composites Part B: Engineering, 169, pp. 239-248 (2019)
    20) E. Martínez-Pañeda, N.A. Fleck. Mode I crack tip fields: strain gradient plasticity theory versus J2 flow theory. European Journal of Mechanics A/Solids, 75, pp. 381-388 (2019)
    19) E. Martínez-Pañeda, V.S. Deshpande, C.F. Niordson, N.A. Fleck. The role of plastic strain gradients in the crack growth resistance of metals. Journal of the Mechanics and Physics of Solids, 126, pp. 136-150 (2019)
    18) E. Martínez-Pañeda. On the finite element implementation of functionally graded materials. Materials, 12(2), 287 (2019)
    17) K.J. Juul, E. Martínez-Pañeda, K.L. Nielsen, C.F. Niordson. Steady-state fracture toughness of elastic-plastic solids: Isotropic versus kinematic hardening. Engineering Fracture Mechanics, 207, pp. 256-268 (2019)
    16) I.I. Cuesta, A. Willig, A. Díaz, E. Martínez-Pañeda, J.M. Alegre. Pre-notched dog bone small punch specimens for the estimation of fracture properties. Engineering Failure Analysis, 96, pp. 236-240 (2019)
    15) E. Martínez-Pañeda, A. Golahmar, C.F. Niordson. A phase field formulation for hydrogen assisted cracking. Computer Methods in Applied Mechanics and Engineering, 342, pp. 742-761 (2018)
    14) T.V. Mathew, S. Natarajan, E. Martínez-Pañeda. Size effects in elastic-plastic functionally graded materials. Composite Structures, 204, pp. 43-51 (2018)
    13) E. Martínez-Pañeda, N.A. Fleck. Crack growth resistance in metallic alloys: the role of isotropic versus kinematic hardening. Journal of Applied Mechanics, 85, 111002 (6 pages) (2018)
    12) E. Martínez-Pañeda, S. del Busto, C. Betegón. Non-local plasticity effects on notch fracture mechanics. Theoretical and Applied Fracture Mechanics, 92, pp. 276-287 (2017)
    11) S. del Busto, C. Betegón, E. Martínez-Pañeda. A cohesive zone framework for environmentally assisted fatigue. Engineering Fracture Mechanics, 185, pp. 210-226 (2017)
    10) E. Martínez-Pañeda, S. Natarajan, S. Bordas. Gradient plasticity crack tip characterization by means of the extended finite element method. Computational Mechanics, 59, pp. 831-842 (2017)
    9) G. Papazafeiropoulos, M. Muñiz-Calvente, E. Martínez-Pañeda. Abaqus2Matlab: a suitable tool for finite element post-processing. Advances in Engineering Software, 105, pp. 9-16 (2017)
    8) E. Martínez-Pañeda, I.I. Cuesta, I. Peñuelas, A. Díaz, J.M. Alegre. Damage modeling in small punch test specimens. Theoretical and Applied Fracture Mechanics, 86A, pp. 51-60 (2016)
    7) E. Martínez-Pañeda, C.F. Niordson, R.P. Gangloff. Strain gradient plasticity-based modeling of hydrogen environment assisted cracking. Acta Materialia, 117, pp. 321-332 (2016)
    6) E. Martínez-Pañeda, C.F. Niordson, L. Bardella. A finite element framework for distortion gradient plasticity with applications to bending of thin foils. International Journal of Solids and Structures, 96, pp. 288-299 (2016)
    5) E. Martínez-Pañeda, S. del Busto, C.F. Niordson, C. Betegón. Strain gradient plasticity modeling of hydrogen diffusion to the crack tip. International Journal of Hydrogen Energy, 41, pp. 10265-10274 (2016)
    4) E. Martínez-Pañeda, T.E. García, C. Rodríguez. Fracture toughness characterization through notched small punch test specimens. Materials Science and Engineering A, 657, pp. 422-430 (2016)
    3) E. Martínez-Pañeda, C.F. Niordson. On fracture in finite strain gradient plasticity. International Journal of Plasticity, 80, pp. 154-167 (2016)
    2) E. Martínez-Pañeda, C. Betegón. Modeling damage and fracture within strain-gradient plasticity. International Journal of Solids and Structures, 59, pp. 208-215 (2015)
    1) E. Martínez-Pañeda, R. Gallego. Numerical analysis of quasi-static fracture in functionally graded materials. International Journal of Mechanics and Materials in Design, 11, pp. 405-424 (2015)

    Codes (If using these codes for research or industrial purposes please remember to cite the associated paper.)
  • FEniCS Python script for phase field fracture. Download here.
  • Abaqus UEL subroutine for higher order strain gradient plasticity (Gudmundson, 2004). Download here.
  • Abaqus UEL subroutine for phase field fracture and hydrogen diffusion. Download here.
  • Abaqus UEL subroutine for the phase field fracture method. Download here.
  • Control algorithm for convergence problems in crack propagation studies. Download Abaqus input files here.
  • Matlab script with the predictive hydrogen assisted cracking model of Martínez-Pañeda, Niordson and Gangloff. Download here.
  • Abaqus2Matlab: a toolbox to connect Abaqus and Matlab (see Download here.
  • Abaqus USDFLD subroutine to implement functionally graded materials. Download here.
  • Matlab non-linear X-FEM code for elasticity, von Mises plasticity and mechanism-based strain gradient plasticity. Download here.
  • Abaqus UEL subroutine for cohesive elements, including cyclic damage. Download here.
  • Abaqus UMAT subroutine for Mechanism-based Strain Gradient (MSG) plasticity. Download here.

  • Postal Address: University of Cambridge, Department of Engineering, Trumpington Street, Cambridge CB2 1PZ, UK

    Last updated 25 April 2019