Contributors:Brandon Runnels, Tingting Yu, Elizabeth Holm, Chuang Deng, Ian Chesser
A collection of dissipation energies measured using atomistic simulations for symmetric tilt grain boundaries
Contributors:Alexander Landauer, Xiuqi Li
Various experimental and model datasets for capturing the quasi-static constitutive response of three densities of Poron XRD (Rogers Corp, Rogers, CT) elastomeric polymer foam. Uniaxial, multi-modal, and inhomogeneous loading modes are included. For more details on data collection and post-processing see the relevant sections of the full paper. For additional details please contact the authors directly or via GitHub.
This dataset contains the Fortran code for the user subroutine (UMAT) used in the article "A thermo-elasto-viscoplastic model for polymers" (https://doi.org/10.1016/j.jmps.2018.11.018) by Joakim Johnsen, Arild Holm Clausen, Frode Grytten, Ahmed Benallal and Odd Sture Hopperstad.
The dataset also includes an example input file for a thermomechanical axisymmetric uniaxial tensile test built for Abaqus 6.14-4. Note that you need to link Abaqus to a Fortran compiler in order to run the model with the user subroutine.
The following properties must be given in the material card:
-- PART A PROPERTIES
PROPS(1) : Initial shear modulus Part A
PROPS(2) : Temperature sensitivity of shear modulus in Part A
PROPS(3) : Activation enthalpy for alpha relaxation
PROPS(4) : Activation volume for alpha relaxation
PROPS(5) : Reference plastic strain rate for alpha relaxation (give as natural logarithm value)
PROPS(6) : Parameter governing evolution of reference plastic strain rate for alpha relaxation
PROPS(7) : Activation enthalpy for beta relaxation
PROPS(8) : Activation volume for beta relaxation
PROPS(9) : Reference plastic strain rate for beta relaxation (give as natural logarithm value)
PROPS(10) : Parameter governing evolution of reference plastic strain rate for beta relaxation
PROPS(11) : Boltzmann's constant
PROPS(12) : Universal gas constant
PROPS(13) : Reference temperature
PROPS(14) : Tolerance used in convergence criterion
PROPS(15) : Maximum number of iterations in the semi-implicit integration
-- PART B PROPERTIES
PROPS(16) : Initial shear modulus Part B
PROPS(17) : Bulk modulus
PROPS(18) : Locking stretch
PROPS(19) : Thermal expansion coefficient
--- COMMON PROPERTIES
PROPS(20) : Density
PROPS(21) : Specific heat capacity
PROPS(22) : Factor controlling substepping
Contributors:Feikai Zhang, Jianhua Liu, Xiaoyu Ding, Runliang Wang
The data shared here are mainly about the evolution of real contact area and surface separation. The contact behaviors of three contact pairs were observed by employing the X-ray computed tomography technology. The detailed data of he real contact area versus contact pressure curves are shared in the Supplementary Material. The surface separation of contact pair 1-3 under each contact pressure are also presented in the Supplementary Material. These surface separation data are 201 × 201 height matrixes, representing the 2 mm × 2 mm square regions extracted from the centers of each contact pairs.
Contributors:Corrado Maurini, Bin Li
FEniCS based finite element solver for the minimization of the energy functional of a phase-field model for fracture of a material with strongly anisotropic surface energy
Contributors:Chris Simpson, Pablo Lopez-Crespo, Philip J Withers, Shohei Kozuki, Thomas Connolley, Mahmoud Mostafavi
The uploaded files contain the energy dispersive X-ray diffraction (EDXRD) data from experiment EE12205, carried out at the Diamond Light Source (I12:JEEP). The supplied files detail the crack tip strain fields at each load step ranging from Kmin to Kmax at six crack tip positions relative to the overload location. Measurements were made before, during and after the overload event at both (a) R = 0.1 and b) R = 0.4. File descriptions/meta data is given in file_list_EDXRD.csv. The data was processed using pyXe and can be read, re-analysed and plotted using the same software suite (https://github.com/casimp/pyxe).
Original data and/or xmgrace files containing the data shown in the paper.