来自剑桥Martínez-Pañeda 多尺度 断裂 应变梯度的文章和源代码（UEL， CMSG等）

Martínez-Pañeda 公布了微观多尺度断裂力学的许多源代码，包括应变梯度理论 相场断裂力学 面向msg的XFEM等理论的源代码。帮其在国内推广下，用其代码注意引用他的文章！ 花了时间做这个帖子，辛苦费还是要收的

（一）PHASE FIELD FRACTURE IMPLEMENTATION IN FENICS

FEniCS Python script with a staggered implementation of the phase field fracture method, suitable for 2D and 3D case studies. Includes a document with detailed instructions.

     Paper: Hirshikesh, S. Natarajan, R. K. Annabattula, E. Martínez-Pañeda. Phase field modelling of crack propagation in functionally graded materials. Composites Part B: Engineering 169: 239-248 (2019)

Download code (.zip file)

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（二）ABAQUS UEL SUBROUTINE FOR STRAIN GRADIENT PLASTICITY

ABAQUS user-element subroutine (UEL) for Gudmundson (2004) higher order strain gradient plasticity formulation, including both energetic and dissipative length scales.

      Paper: 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: 136-150 (2019)

Download code (.zip file)

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（三）ABAQUS UEL SUBROUTINE FOR PHASE FIELD FRACTURE AND HYDROGEN DIFFUSION

ABAQUS user-element subroutine (UEL) for the coupled deformation – hydrogen transport – phase field fracture scheme presented in the associated paper

     Paper: E. Martínez-Pañeda, A. Golahmar, C.F. Niordson. A phase field formulation for hydrogen assisted cracking. Computer Methods in Applied Mechanics and Engineering, 342: 742-761 (2018)

 源代码见附件

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（四）ABAQUS UEL SUBROUTINE FOR PHASE FIELD FRACTURE

ABAQUS user-element subroutine (UEL) with a robust phase field formulation for fracture. Several integration schemes are available, as detailed in the accompanying documentation.

      Paper: E. Martínez-Pañeda, A. Golahmar, C.F. Niordson. A phase field formulation for hydrogen assisted cracking. Computer Methods in Applied Mechanics and Engineering, 342: 742-761 (2018)

  源代码见附件

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（五）控制 ALGORITHM FOR CONVERGENCE PROBLEMS IN CRACK PROPAGATION STUDIES

    ABAQUS input files with a 控制 algorithm to overcome convergence problems in cohesive zone modelling of crack propagation. The code is largely inspired by the work by Segurado and Llorca (2004) on particle fracture in composites.

   Paper: E. Martínez-Pañeda, S. del Busto, C. Betegón. Non-local plasticity effects on notch fracture mechanics. Theoretical and Applied Fracture Mechanics, 92: 276-287 (2017)

 源代码见附件

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（六）MATLAB SCRIPT FOR HYDROGEN ASSISTED CRACKING PREDICTIONS

Matlab script to predict the variation with the applied potential of the cracking threshold and the stage II crack growth rate. The model builds on Gerberich’s decohesion dislocation-based model, strain gradient plasticity and advanced electrochemistry. See details in the associated paper.

     Paper: E. Martínez-Pañeda, C.F. Niordson, R.P. Gangloff. Strain gradient plasticity-based modeling of hydrogen environment assisted cracking. Acta Materialia, 105: 9-16 (2017)

源代码见附件

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（七）ABAQUS2MATLAB: A SUITABLE TOOL FOR FINITE ELEMENT POST-PROCESSING

A toolbox to connect Abaqus and Matlab, enabling the usage of the statistical analysis, image processing, integrated graph-plotting and mathematical optimization capabilities of Matlab to post-process the outcome of advanced finite element calculations. See www.abaqus2matlab.com

      Paper: G. Papazafeiropoulos, M. Muñiz-Calvente, E. Martínez-Pañeda. Abaqus2Matlab: a suitable tool for finite element post-processing. Advances in Engineering Software, 105: 9-16 (2017)

源代码见附件

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（八）ABAQUS USDLFD SUBROUTINE FOR FUNCTIONALLY GRADED ELEMENTS

       ABAQUS USDFLD Subroutine for the implementation of a continuous variation of the material elastic properties between integration points.

     Paper: E. Martínez-Pañeda. On the finite element implementation of functionally graded materials. Materials, 12(2): 287 (2019)

    源代码见附件

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（九）NON-LINEAR X-FEM CODE FOR MSG PLASTICITY

     Non-linear eXtendend Finite Element code developed in MATLAB including the following material models: linear elasticity, von Mises plasticity and conventional mechanism-based strain gradient (CMSG) plasticity. Particularly appealing to capture the singularity intrinsic to MSG plasticity.

    Paper: E. Martínez-Pañeda, S. Natarajan, S. Bordas. Gradient plasticity crack tip characterization by means of the extended finite element method. Computational Mechanics, 59: 831-842 (2017)

源代码见附件

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（十）ABAQUS UEL SUBROUTINE FOR DISTORTION GRADIENT PLASTICITY

ABAQUS user-element subroutine (UEL) for Gurtin (2004) distortion gradient plasticity formulation, incorporating the role of the plastic spin as well as dissipative and energetic higher order contributions.

Paper: S. Fuentes-Alonso, E. Martínez-Pañeda. Fracture in distortion gradient plasticity. International Journal of Engineering Science 156: 103369 (2020)

源代码 见附件

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（十一）ABAQUS UEL SUBROUTINE FOR COHESIVE ELEMENTS

ABAQUS user-element subroutine (UEL) with a cohesive zone formulation. Includes the dependence of the cohesive strength on the total hydrogen concentration and the effect of cyclic loading.

     Paper: S. del Busto, C. Betegón, E. Martínez-Pañeda. A cohesive zone framework for environmentally assisted fatigue. Engineering Fracture Mechanics, 185: 210-226 (2017)

     源代码见附件

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(十二)ABAQUS UMAT SUBROUTINE FOR CMSG PLASTICITY

ABAQUS User Material (UMAT) subroutine with the constitutive formulation of the conventional mechanism-based strain gradient (CMSG) plasticity theory.

     Paper: E. Martínez-Pañeda and C. Betegón. Modeling damage and fracture within strain-gradient plasticity. International Journal of Solids and Structures, 59: 208-215 (2015)

源代码见附件（只有obj 没有for 请大家谨慎购买）

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(十四)ABAQUS UEL FOR PHASE FIELD MODELLING OF CORROSION

ABAQUS user-element subroutine (UEL) to use the phase field method to predict corrosion, pitting corrosion, the pit-to-crack transition and stress corrosion cracking.

 

Paper: C. Cui, R. Ma, E. Martínez-Pañeda. A phase field formulation for dissolution-driven stress corrosion cracking. Journal of the Mechanics and Physics of Solids 147: 104254 (2021)
 

Download code (.zip file)