Line data    Source code

       1              : // Copyright 2024, UChicago Argonne, LLC
       2              : // All Rights Reserved
       3              : // Software Name: NEML2 -- the New Engineering material Model Library, version 2
       4              : // By: Argonne National Laboratory
       5              : // OPEN SOURCE LICENSE (MIT)
       6              : //
       7              : // Permission is hereby granted, free of charge, to any person obtaining a copy
       8              : // of this software and associated documentation files (the "Software"), to deal
       9              : // in the Software without restriction, including without limitation the rights
      10              : // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      11              : // copies of the Software, and to permit persons to whom the Software is
      12              : // furnished to do so, subject to the following conditions:
      13              : //
      14              : // The above copyright notice and this permission notice shall be included in
      15              : // all copies or substantial portions of the Software.
      16              : //
      17              : // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      18              : // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      19              : // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      20              : // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      21              : // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      22              : // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
      23              : // THE SOFTWARE.
      24              : 
      25              : #include "neml2/models/solid_mechanics/crystal_plasticity/LinearSingleSlipHardeningRule.h"
      26              : #include "neml2/tensors/Scalar.h"
      27              : 
      28              : namespace neml2
      29              : {
      30              : register_NEML2_object(LinearSingleSlipHardeningRule);
      31              : 
      32              : OptionSet
      33            2 : LinearSingleSlipHardeningRule::expected_options()
      34              : {
      35            2 :   OptionSet options = SingleSlipHardeningRule::expected_options();
      36              : 
      37            2 :   options.doc() = "Simple linear slip system hardening defined by \\f$ \\dot{\\tau} = \\theta "
      38              :                   "\\sum_{i=1}^{n_{slip}} \\left| \\dot{\\gamma}_i \\right| \\f$ where \\f$ "
      39            2 :                   "\\theta \\f$ is the hardening slope.";
      40              : 
      41            4 :   options.set_parameter<TensorName<Scalar>>("hardening_slope");
      42            2 :   options.set("hardening_slope").doc() = "Hardening rate";
      43              : 
      44            2 :   return options;
      45            0 : }
      46              : 
      47            1 : LinearSingleSlipHardeningRule::LinearSingleSlipHardeningRule(const OptionSet & options)
      48              :   : SingleSlipHardeningRule(options),
      49            4 :     _theta(declare_parameter<Scalar>("hardening_slope", "hardening_slope"))
      50              : {
      51            1 : }
      52              : 
      53              : void
      54            2 : LinearSingleSlipHardeningRule::set_value(bool out, bool dout_din, bool /*d2out_din2*/)
      55              : {
      56            2 :   if (out)
      57            1 :     _tau_dot = _theta * _gamma_dot_sum;
      58              : 
      59            2 :   if (dout_din)
      60            1 :     if (_gamma_dot_sum.is_dependent())
      61            1 :       _tau_dot.d(_gamma_dot_sum) = _theta;
      62            2 : }
      63              : } // namespace neml2