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CrystalPlasticityStressUpdateBase.C
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9 
11 
12 #include "libmesh/utility.h"
13 #include "libmesh/int_range.h"
14 #include "Conversion.h"
15 #include "MooseException.h"
16 
19 {
21  params.addParam<std::string>(
22  "base_name",
23  "Optional parameter that allows the user to define multiple crystal plasticity mechanisms");
24  params.addClassDescription(
25  "Crystal Plasticity base class: handles the Newton iteration over the stress residual and "
26  "calculates the Jacobian based on constitutive laws provided by inheriting classes");
27 
28  // The return stress increment classes are intended to be iterative materials, so must set compute
29  // = false for all inheriting classes
30  params.set<bool>("compute") = false;
31  params.suppressParameter<bool>("compute");
32 
33  params.addParam<MooseEnum>(
34  "crystal_lattice_type",
35  MooseEnum("BCC FCC HCP", "FCC"),
36  "Crystal lattice type or representative unit cell, i.e., BCC, FCC, HCP, etc.");
37 
38  params.addRangeCheckedParam<std::vector<Real>>(
39  "unit_cell_dimension",
40  std::vector<Real>{1.0, 1.0, 1.0},
41  "unit_cell_dimension_size = 3",
42  "The dimension of the unit cell along three directions, where a cubic unit cell is assumed "
43  "for cubic crystals and a hexagonal unit cell (a, a, c) is assumed for HCP crystals. These "
44  "dimensions will be taken into account while computing the slip systems."
45  " Default size is 1.0 along all three directions.");
46 
47  params.addRequiredParam<unsigned int>(
48  "number_slip_systems",
49  "The total number of possible active slip systems for the crystalline material");
50  params.addRequiredParam<FileName>(
51  "slip_sys_file_name",
52  "Name of the file containing the slip systems, one slip system per row, with the slip plane "
53  "normal given before the slip plane direction.");
54  params.addParam<Real>("number_cross_slip_directions",
55  0,
56  "Quanity of unique slip directions, used to determine cross slip familes");
57  params.addParam<Real>("number_cross_slip_planes",
58  0,
59  "Quanity of slip planes belonging to a single cross slip direction; used "
60  "to determine cross slip families");
61  params.addParam<Real>(
62  "slip_increment_tolerance",
63  2e-2,
64  "Maximum allowable slip in an increment for each individual constitutive model");
65  params.addParam<Real>(
66  "stol", 1e-2, "Constitutive internal state variable relative change tolerance");
67  params.addParam<Real>("resistance_tol",
68  1.0e-2,
69  "Constitutive slip system resistance relative residual tolerance for each "
70  "individual constitutive model");
71  params.addParam<Real>("zero_tol",
72  1e-12,
73  "Tolerance for residual check when variable value is zero for each "
74  "individual constitutive model");
75  params.addParam<bool>(
76  "print_state_variable_convergence_error_messages",
77  false,
78  "Whether or not to print warning messages from the crystal plasticity specific convergence "
79  "checks on both the constiutive model internal state variables.");
80  return params;
81 }
82 
84  const InputParameters & parameters)
85  : Material(parameters),
86  _base_name(isParamValid("base_name") ? getParam<std::string>("base_name") + "_" : ""),
87  _crystal_lattice_type(
88  getParam<MooseEnum>("crystal_lattice_type").getEnum<CrystalLatticeType>()),
89  _unit_cell_dimension(getParam<std::vector<Real>>("unit_cell_dimension")),
90  _number_slip_systems(getParam<unsigned int>("number_slip_systems")),
91  _slip_sys_file_name(getParam<FileName>("slip_sys_file_name")),
92  _number_cross_slip_directions(getParam<Real>("number_cross_slip_directions")),
93  _number_cross_slip_planes(getParam<Real>("number_cross_slip_planes")),
94 
95  _rel_state_var_tol(getParam<Real>("stol")),
96  _slip_incr_tol(getParam<Real>("slip_increment_tolerance")),
97  _resistance_tol(getParam<Real>("resistance_tol")),
98  _zero_tol(getParam<Real>("zero_tol")),
99 
100  _slip_resistance(declareProperty<std::vector<Real>>(_base_name + "slip_resistance")),
101  _slip_resistance_old(getMaterialPropertyOld<std::vector<Real>>(_base_name + "slip_resistance")),
102  _slip_increment(declareProperty<std::vector<Real>>(_base_name + "slip_increment")),
103 
104  _slip_direction(_number_slip_systems),
105  _slip_plane_normal(_number_slip_systems),
106  _flow_direction(declareProperty<std::vector<RankTwoTensor>>(_base_name + "flow_direction")),
107  _tau(declareProperty<std::vector<Real>>(_base_name + "applied_shear_stress")),
108  _print_convergence_message(getParam<bool>("print_state_variable_convergence_error_messages"))
109 {
110  getSlipSystems();
112 
113  if (parameters.isParamSetByUser("number_cross_slip_directions"))
114  _calculate_cross_slip = true;
115  else
116  _calculate_cross_slip = false;
117 }
118 
119 void
121 {
123 }
124 
125 void
127 {
130  for (const auto i : make_range(_number_slip_systems))
131  {
132  _flow_direction[_qp][i].zero();
133  _tau[_qp][i] = 0.0;
134  }
135 
138 }
139 
140 void
142 {
143  bool orthonormal_error = false;
144 
145  // read in the slip system data from auxiliary text file
148  _reader.read();
149 
150  // check the size of the input
151  if (_reader.getData().size() != _number_slip_systems)
152  paramError(
153  "number_slip_systems",
154  "The number of rows in the slip system file should match the number of slip system.");
155 
156  for (const auto i : make_range(_number_slip_systems))
157  {
158  // initialize to zero
159  _slip_direction[i].zero();
160  _slip_plane_normal[i].zero();
161  }
162 
167  {
168  for (const auto i : make_range(_number_slip_systems))
169  {
170  // directly grab the raw data and scale it by the unit cell dimension
171  for (const auto j : index_range(_reader.getData(i)))
172  {
173  if (j < LIBMESH_DIM)
174  _slip_plane_normal[i](j) = _reader.getData(i)[j] / _unit_cell_dimension[j];
175  else
176  _slip_direction[i](j - LIBMESH_DIM) =
177  _reader.getData(i)[j] * _unit_cell_dimension[j - LIBMESH_DIM];
178  }
179  }
180  }
181 
182  for (const auto i : make_range(_number_slip_systems))
183  {
184  // normalize
185  _slip_plane_normal[i] /= _slip_plane_normal[i].norm();
186  _slip_direction[i] /= _slip_direction[i].norm();
187 
189  {
190  const auto magnitude = _slip_plane_normal[i] * _slip_direction[i];
191  if (std::abs(magnitude) > libMesh::TOLERANCE)
192  {
193  orthonormal_error = true;
194  break;
195  }
196  }
197  }
198 
199  if (orthonormal_error)
200  mooseError("CrystalPlasticityStressUpdateBase Error: The slip system file contains a slip "
201  "direction and plane normal pair that are not orthonormal in the Cartesian "
202  "coordinate system.");
203 }
204 
205 void
207  const MooseUtils::DelimitedFileReader & reader)
208 {
209  const unsigned int miller_bravais_indices = 4;
210  RealVectorValue temporary_slip_direction, temporary_slip_plane;
211  // temporary_slip_plane.resize(LIBMESH_DIM);
212  // temporary_slip_direction.resize(LIBMESH_DIM);
213 
216  mooseError("CrystalPlasticityStressUpdateBase Error: The specified unit cell dimensions are "
217  "not consistent with expectations for "
218  "HCP crystal hexagonal lattices.");
219  else if (reader.getData(0).size() != miller_bravais_indices * 2)
220  mooseError("CrystalPlasticityStressUpdateBase Error: The number of entries in the first row of "
221  "the slip system file is not consistent with the expectations for the 4-index "
222  "Miller-Bravais assumption for HCP crystals. This file should represent both the "
223  "slip plane normal and the slip direction with 4-indices each.");
224 
225  // set up the tranformation matrices
226  RankTwoTensor transform_matrix;
227  transform_matrix.zero();
228  transform_matrix(0, 0) = 1.0 / _unit_cell_dimension[0];
229  transform_matrix(1, 0) = 1.0 / (_unit_cell_dimension[0] * std::sqrt(3.0));
230  transform_matrix(1, 1) = 2.0 / (_unit_cell_dimension[0] * std::sqrt(3.0));
231  transform_matrix(2, 2) = 1.0 / (_unit_cell_dimension[2]);
232 
233  for (const auto i : make_range(_number_slip_systems))
234  {
235  // read in raw data from file and store in the temporary vectors
236  for (const auto j : index_range(reader.getData(i)))
237  {
238  // Check that the slip plane normal indices of the basal plane sum to zero for consistency
239  Real basal_pl_sum = 0.0;
240  for (const auto k : make_range(LIBMESH_DIM))
241  basal_pl_sum += reader.getData(i)[k];
242 
243  if (basal_pl_sum > _zero_tol)
244  mooseError(
245  "CrystalPlasticityStressUpdateBase Error: The specified HCP basal plane Miller-Bravais "
246  "indices do not sum to zero. Check the values supplied in the associated text file.");
247 
248  // Check that the slip direction indices of the basal plane sum to zero for consistency
249  Real basal_dir_sum = 0.0;
250  for (const auto k : make_range(miller_bravais_indices, miller_bravais_indices + LIBMESH_DIM))
251  basal_dir_sum += reader.getData(i)[k];
252 
253  if (basal_dir_sum > _zero_tol)
254  mooseError("CrystalPlasticityStressUpdateBase Error: The specified HCP slip direction "
255  "Miller-Bravais indices in the basal plane (U, V, and T) do not sum to zero "
256  "within the user specified tolerance (try loosing zero_tol if using the default "
257  "value). Check the values supplied in the associated text file.");
258 
259  if (j < miller_bravais_indices)
260  {
261  // Planes are directly copied over, per a_1 = x convention used here:
262  // Store the first two indices for the basal plane, (h and k), and drop
263  // the redundant third basal plane index (i)
264  if (j < 2)
265  temporary_slip_plane(j) = reader.getData(i)[j];
266  // Store the c-axis index as the third entry in the orthorombic index convention
267  else if (j == 3)
268  temporary_slip_plane(j - 1) = reader.getData(i)[j];
269  }
270  else
271  {
272  const auto direction_j = j - miller_bravais_indices;
273  // Store the first two indices for the slip direction in the basal plane,
274  //(U, V), and drop the redundant third basal plane index (T)
275  if (direction_j < 2)
276  temporary_slip_direction(direction_j) = reader.getData(i)[j];
277  // Store the c-axis index as the third entry in the orthorombic index convention
278  else if (direction_j == 3)
279  temporary_slip_direction(direction_j - 1) = reader.getData(i)[j];
280  }
281  }
282 
283  // perform transformation calculation
284  _slip_direction[i] = transform_matrix * temporary_slip_direction;
285  _slip_plane_normal[i] = transform_matrix * temporary_slip_plane;
286  }
287 }
288 
289 void
291 {
293  {
294  _cross_slip_familes.resize(0);
295  return;
296  }
297 
298  // If cross slip does occur, then set up the system of vectors for the families
300  // and set the first index of each inner vector
301  for (unsigned int i = 0; i < _number_cross_slip_directions; ++i)
302  _cross_slip_familes[i].resize(1);
303 
304  // Sort the index of the slip system based vectors into separte families
305  unsigned int family_counter = 1;
306  _cross_slip_familes[0][0] = 0;
307 
308  for (unsigned int i = 1; i < _number_slip_systems; ++i)
309  {
310  for (unsigned int j = 0; j < family_counter; ++j)
311  {
312  // check to see if the slip system direction i matches any of the existing slip directions
313  // First calculate the dot product
314  Real dot_product = 0.0;
315  for (const auto k : make_range(Moose::dim))
316  {
317  unsigned int check_family_index = _cross_slip_familes[j][0];
318  dot_product += std::abs(_slip_direction[check_family_index](k) - _slip_direction[i](k));
319  }
320  // Then check if the dot product is one, if yes, add to family and break
321  if (MooseUtils::absoluteFuzzyEqual(dot_product, 0.0))
322  {
323  _cross_slip_familes[j].push_back(i);
325  mooseError(
326  "Exceeded the number of cross slip planes allowed in a single cross slip family");
327 
328  break; // exit the loop over the exisiting cross slip families and move to the next slip
329  // direction
330  }
331  // The slip system in question does not belong to an existing family
332  else if (j == (family_counter - 1) && !MooseUtils::absoluteFuzzyEqual(dot_product, 0.0))
333  {
334  if (family_counter > _number_cross_slip_directions)
335  mooseError("Exceeds the number of cross slip directions specified for this material");
336 
337  _cross_slip_familes[family_counter][0] = i;
338  family_counter++;
339  break;
340  }
341  }
342  }
343 
345  {
346  mooseWarning("Checking the slip system ordering now:");
347  for (unsigned int i = 0; i < _number_cross_slip_directions; ++i)
348  {
349  Moose::out << "In cross slip family " << i << std::endl;
350  for (unsigned int j = 0; j < _number_cross_slip_planes; ++j)
351  Moose::out << " is the slip direction number " << _cross_slip_familes[i][j] << std::endl;
352  }
353  }
354 }
355 
356 unsigned int
358 {
359  for (unsigned int i = 0; i < _number_cross_slip_directions; ++i)
360  for (unsigned int j = 0; j < _number_cross_slip_planes; ++j)
361  if (_cross_slip_familes[i][j] == index)
362  return i;
363 
364  // Should never reach this statement
365  mooseError("The supplied slip system index is not among the slip system families sorted.");
366 }
367 
368 void
370 {
373 }
374 
375 void
377  const unsigned int & number_slip_systems,
378  const std::vector<RealVectorValue> & plane_normal_vector,
379  const std::vector<RealVectorValue> & direction_vector,
380  std::vector<RankTwoTensor> & schmid_tensor,
381  const RankTwoTensor & crysrot)
382 {
383  std::vector<RealVectorValue> local_direction_vector, local_plane_normal;
384  local_direction_vector.resize(number_slip_systems);
385  local_plane_normal.resize(number_slip_systems);
386 
387  // Update slip direction and normal with crystal orientation
388  for (const auto i : make_range(_number_slip_systems))
389  {
390  local_direction_vector[i].zero();
391  local_plane_normal[i].zero();
392 
393  for (const auto j : make_range(LIBMESH_DIM))
394  for (const auto k : make_range(LIBMESH_DIM))
395  {
396  local_direction_vector[i](j) =
397  local_direction_vector[i](j) + crysrot(j, k) * direction_vector[i](k);
398 
399  local_plane_normal[i](j) =
400  local_plane_normal[i](j) + crysrot(j, k) * plane_normal_vector[i](k);
401  }
402 
403  // Calculate Schmid tensor
404  for (const auto j : make_range(LIBMESH_DIM))
405  for (const auto k : make_range(LIBMESH_DIM))
406  {
407  schmid_tensor[i](j, k) = local_direction_vector[i](j) * local_plane_normal[i](k);
408  }
409  }
410 }
411 
412 void
414  const RankTwoTensor & pk2,
415  const RankTwoTensor & inverse_eigenstrain_deformation_grad,
416  const unsigned int & num_eigenstrains)
417 {
418  if (!num_eigenstrains)
419  {
420  for (const auto i : make_range(_number_slip_systems))
422 
423  return;
424  }
425 
426  RankTwoTensor eigenstrain_deformation_grad = inverse_eigenstrain_deformation_grad.inverse();
427  for (const auto i : make_range(_number_slip_systems))
428  {
429  // compute PK2_hat using deformation gradient
430  RankTwoTensor pk2_hat = eigenstrain_deformation_grad.det() *
431  eigenstrain_deformation_grad.transpose() * pk2 *
432  inverse_eigenstrain_deformation_grad.transpose();
433  _tau[_qp][i] = pk2_hat.doubleContraction(_flow_direction[_qp][i]);
434  }
435 }
436 
437 void
439  RankFourTensor & dfpinvdpk2,
440  const RankTwoTensor & inverse_plastic_deformation_grad_old,
441  const RankTwoTensor & inverse_eigenstrain_deformation_grad_old,
442  const unsigned int & num_eigenstrains)
443 {
444  std::vector<Real> dslip_dtau(_number_slip_systems, 0.0);
445  std::vector<RankTwoTensor> dtaudpk2(_number_slip_systems);
446  std::vector<RankTwoTensor> dfpinvdslip(_number_slip_systems);
447 
449 
450  for (const auto j : make_range(_number_slip_systems))
451  {
452  if (num_eigenstrains)
453  {
454  RankTwoTensor eigenstrain_deformation_grad_old =
455  inverse_eigenstrain_deformation_grad_old.inverse();
456  dtaudpk2[j] = eigenstrain_deformation_grad_old.det() * eigenstrain_deformation_grad_old *
457  _flow_direction[_qp][j] * inverse_eigenstrain_deformation_grad_old;
458  }
459  else
460  dtaudpk2[j] = _flow_direction[_qp][j];
461  dfpinvdslip[j] = -inverse_plastic_deformation_grad_old * _flow_direction[_qp][j];
462  dfpinvdpk2 += (dfpinvdslip[j] * dslip_dtau[j] * _substep_dt).outerProduct(dtaudpk2[j]);
463  }
464 }
465 
466 void
468  RankTwoTensor & equivalent_slip_increment)
469 {
470  // Sum up the slip increments to find the equivalent plastic strain due to slip
471  for (const auto i : make_range(_number_slip_systems))
472  equivalent_slip_increment += _flow_direction[_qp][i] * _slip_increment[_qp][i] * _substep_dt;
473 }
474 
475 void
477 {
478  _qp = qp;
479 }
480 
481 void
483 {
484  _substep_dt = substep_dt;
485 }
486 
487 bool
489  const std::vector<Real> & current_var,
490  const std::vector<Real> & var_before_update,
491  const std::vector<Real> & previous_substep_var,
492  const Real & tolerance)
493 {
494  // sometimes the state variable size may not equal to the number of slip systems
495  unsigned int sz = current_var.size();
496  mooseAssert(current_var.size() == sz, "Current variable size does not match");
497  mooseAssert(var_before_update.size() == sz, "Variable before update size does not match");
498  mooseAssert(previous_substep_var.size() == sz, "Previous substep variable size does not match");
499 
500  bool is_converged = true;
501 
502  Real diff_val = 0.0;
503  Real abs_prev_substep_val = 0.0;
504  for (const auto i : make_range(sz))
505  {
506  diff_val = std::abs(var_before_update[i] - current_var[i]);
507  abs_prev_substep_val = std::abs(previous_substep_var[i]);
508 
509  // set to false if the state variable is not converged
510  if (abs_prev_substep_val < _zero_tol && diff_val > _zero_tol)
511  is_converged = false;
512  else if (abs_prev_substep_val > _zero_tol && diff_val > tolerance * abs_prev_substep_val)
513  is_converged = false;
514  }
515  return is_converged;
516 }
void setQp(const unsigned int &qp)
Sets the value of the global variable _qp for inheriting classes.
RankTwoTensorTempl< Real > inverse() const
bool absoluteFuzzyEqual(const T &var1, const T2 &var2, const T3 &tol=libMesh::TOLERANCE *libMesh::TOLERANCE)
std::string _slip_sys_file_name
File should contain slip plane normal and direction.
CrystalPlasticityStressUpdateBase(const InputParameters &parameters)
virtual void calculateTotalPlasticDeformationGradientDerivative(RankFourTensor &dfpinvdpk2, const RankTwoTensor &inverse_plastic_deformation_grad_old, const RankTwoTensor &inverse_eigenstrain_deformation_grad_old, const unsigned int &num_eigenstrains)
Calculates the total value of ${d{F}^P^{-1}}{d{PK2}}$ and is intended to be an overwritten helper met...
void addParam(const std::string &name, const std::initializer_list< typename T::value_type > &value, const std::string &doc_string)
void transformHexagonalMillerBravaisSlipSystems(const MooseUtils::DelimitedFileReader &reader)
A helper method to transform the Miller-Bravais 4-index notation for HCP crystals into a a 3-index Ca...
std::vector< std::vector< unsigned int > > _cross_slip_familes
Sorted slip system indices into cross slip family groups.
virtual void initQpStatefulProperties() override
initializes the stateful properties such as PK2 stress, resolved shear stress, plastic deformation gr...
static constexpr Real TOLERANCE
virtual void calculateEquivalentSlipIncrement(RankTwoTensor &)
MaterialProperty< std::vector< Real > > & _slip_increment
Current slip increment material property.
T & set(const std::string &name, bool quiet_mode=false)
static constexpr std::size_t dim
MaterialProperty< std::vector< Real > > & _slip_resistance
Slip system resistance.
enum CrystalPlasticityStressUpdateBase::CrystalLatticeType _crystal_lattice_type
void mooseWarning(Args &&... args) const
void addRequiredParam(const std::string &name, const std::string &doc_string)
virtual void resize(const std::size_t size) override final
void suppressParameter(const std::string &name)
Real _substep_dt
Substepping time step value used within the inheriting constitutive models.
unsigned int _qp
const unsigned int _number_slip_systems
Maximum number of active slip systems for the crystalline material being modeled. ...
Real _zero_tol
Residual tolerance when variable value is zero. Default 1e-12.
bool _calculate_cross_slip
Flag to run the cross slip calculations if cross slip numbers are specified.
static InputParameters validParams()
void sortCrossSlipFamilies()
A helper method to sort the slip systems of a crystal into cross slip families based on common slip d...
virtual void calculateConstitutiveSlipDerivative(std::vector< Real > &)=0
This virtual method is called to find the derivative of the slip increment with respect to the applie...
MaterialProperty< std::vector< RankTwoTensor > > & _flow_direction
void setFormatFlag(FormatFlag value)
Real doubleContraction(const RankTwoTensorTempl< Real > &a) const
const Real _number_cross_slip_directions
Parameters to characterize the cross slip behavior of the crystal.
void paramError(const std::string &param, Args... args) const
virtual void getSlipSystems()
A helper method to read in plane normal and direction vectors from a file and to normalize the vector...
const std::vector< std::vector< T > > & getData() const
void calculateSchmidTensor(const unsigned int &number_dislocation_systems, const std::vector< RealVectorValue > &plane_normal_vector, const std::vector< RealVectorValue > &direction_vector, std::vector< RankTwoTensor > &schmid_tensor, const RankTwoTensor &crysrot)
A helper method to rotate the a direction and plane normal system set into the local crystal llatice ...
bool isParamSetByUser(const std::string &name) const
RankTwoTensorTempl< Real > transpose() const
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
void calculateShearStress(const RankTwoTensor &pk2, const RankTwoTensor &inverse_eigenstrain_deformation_grad, const unsigned int &num_eigenstrains)
Computes the shear stess for each slip system.
void calculateFlowDirection(const RankTwoTensor &crysrot)
Computes the Schmid tensor (m x n) for the original (reference) crystal lattice orientation for each ...
MaterialProperty< std::vector< Real > > & _tau
Resolved shear stress on each slip system.
IntRange< T > make_range(T beg, T end)
void mooseError(Args &&... args) const
virtual bool isConstitutiveStateVariableConverged(const std::vector< Real > &current_var, const std::vector< Real > &var_before_update, const std::vector< Real > &previous_substep_var, const Real &tolerance)
Check if a typical state variable, e.g.
const bool _print_convergence_message
Flag to print to console warning messages on stress, constitutive model convergence.
void addClassDescription(const std::string &doc_string)
const InputParameters & parameters() const
static const std::complex< double > j(0, 1)
Complex number "j" (also known as "i")
void addRangeCheckedParam(const std::string &name, const T &value, const std::string &parsed_function, const std::string &doc_string)
void setSubstepDt(const Real &substep_dt)
Sets the value of the _substep_dt for inheriting classes.
static const std::string k
Definition: NS.h:130
void ErrorVector unsigned int
auto index_range(const T &sizable)
std::vector< RealVectorValue > _slip_direction
Slip system direction and normal and associated Schmid tensors.
unsigned int identifyCrossSlipFamily(const unsigned int index)
A helper method for inherting classes to identify to which cross slip family vector a particular slip...