DAMASK_EICMD/python/damask/_configmaterial.py

288 lines
9.7 KiB
Python
Raw Normal View History

import copy
import numpy as np
from . import Config
from . import Lattice
from . import Rotation
class ConfigMaterial(Config):
"""Material configuration."""
def save(self,fname='material.yaml',**kwargs):
2020-09-30 12:19:55 +05:30
"""
Save to yaml file.
Parameters
----------
fname : file, str, or pathlib.Path, optional
Filename or file for writing. Defaults to 'material.yaml'.
2020-10-09 17:49:19 +05:30
**kwargs
Keyword arguments parsed to yaml.dump.
2020-09-30 12:19:55 +05:30
"""
super().save(fname,**kwargs)
2020-09-30 12:19:55 +05:30
2020-10-09 11:15:20 +05:30
@staticmethod
def from_table(table,constituents={},**kwargs):
2020-10-09 17:49:19 +05:30
"""
Load from an ASCII table.
Parameters
----------
table : damask.Table
2020-10-09 17:49:19 +05:30
Table that contains material information.
constituents : dict, optional
Entries for 'constituents'. The key is the name and the value specifies
the label of the data column in the table
**kwargs
Keyword arguments where the key is the name and the value specifies
the label of the data column in the table
Examples
--------
>>> import damask
>>> import damask.ConfigMaterial as cm
>>> t = damask.Table.load('small.txt')
>>> t
2020-10-09 17:49:19 +05:30
pos pos pos qu qu qu qu phase homog
0 0 0 0 0.19 0.8 0.24 -0.51 Aluminum SX
1 1 0 0 0.8 0.19 0.24 -0.51 Steel SX
>>> cm.from_table(t,{'O':'qu','phase':'phase'},homogenization='homog')
2020-10-09 17:49:19 +05:30
material:
- constituents:
- O: [0.19, 0.8, 0.24, -0.51]
fraction: 1.0
phase: Aluminum
homogenization: SX
- constituents:
- O: [0.8, 0.19, 0.24, -0.51]
fraction: 1.0
phase: Steel
homogenization: SX
"""
constituents_ = {k:table.get(v) for k,v in constituents.items()}
kwargs_ = {k:table.get(v) for k,v in kwargs.items()}
2020-10-09 11:15:20 +05:30
_,idx = np.unique(np.hstack(list({**constituents_,**kwargs_}.values())),return_index=True,axis=0)
idx = np.sort(idx)
2020-10-09 11:15:20 +05:30
constituents_ = {k:v[idx].squeeze() for k,v in constituents_.items()}
kwargs_ = {k:v[idx].squeeze() for k,v in kwargs_.items()}
return ConfigMaterial().material_add(constituents_,**kwargs_)
@property
def is_complete(self):
"""Check for completeness."""
ok = True
2020-10-02 21:21:33 +05:30
for top_level in ['homogenization','phase','material']:
# ToDo: With python 3.8 as prerequisite we can shorten with :=
ok &= top_level in self
if top_level not in self: print(f'{top_level} entry missing')
if ok:
2020-10-02 21:21:33 +05:30
ok &= len(self['material']) > 0
if len(self['material']) < 1: print('Incomplete material definition')
if ok:
homogenization = set()
phase = set()
2020-10-02 21:21:33 +05:30
for i,v in enumerate(self['material']):
if 'homogenization' in v:
homogenization.add(v['homogenization'])
else:
2020-10-02 21:21:33 +05:30
print(f'No homogenization specified in material {i}')
ok = False
if 'constituents' in v:
for ii,vv in enumerate(v['constituents']):
2020-10-02 21:21:33 +05:30
if 'O' not in vv:
print('No orientation specified in constituent {ii} of material {i}')
ok = False
if 'phase' in vv:
phase.add(vv['phase'])
else:
2020-10-02 21:21:33 +05:30
print(f'No phase specified in constituent {ii} of material {i}')
ok = False
for k,v in self['phase'].items():
if 'lattice' not in v:
print(f'No lattice specified in phase {k}')
ok = False
for k,v in self['homogenization'].items():
if 'N_constituents' not in v:
print(f'No. of constituents not specified in homogenization {k}')
ok = False
if phase - set(self['phase']):
print(f'Phase(s) {phase-set(self["phase"])} missing')
ok = False
if homogenization - set(self['homogenization']):
print(f'Homogenization(s) {homogenization-set(self["homogenization"])} missing')
ok = False
return ok
@property
def is_valid(self):
"""Check for valid file layout."""
ok = True
if 'phase' in self:
for k,v in self['phase'].items():
if 'lattice' in v:
try:
Lattice(v['lattice'])
except KeyError:
s = v['lattice']
print(f"Invalid lattice: '{s}' in phase '{k}'")
ok = False
2020-10-02 21:21:33 +05:30
if 'material' in self:
for i,v in enumerate(self['material']):
if 'constituents' in v:
f = 0.0
for c in v['constituents']:
f+= float(c['fraction'])
2020-10-02 21:21:33 +05:30
if 'O' in c:
try:
2020-10-02 21:21:33 +05:30
Rotation.from_quaternion(c['O'])
except ValueError:
2020-10-02 21:21:33 +05:30
o = c['O']
print(f"Invalid orientation: '{o}' in material '{i}'")
ok = False
if not np.isclose(f,1.0):
2020-10-02 21:21:33 +05:30
print(f"Invalid total fraction '{f}' in material '{i}'")
ok = False
return ok
2020-10-02 21:21:33 +05:30
def material_rename_phase(self,mapping,ID=None,constituent=None):
"""
2020-10-02 21:21:33 +05:30
Change phase name in material.
Parameters
----------
mapping: dictionary
Mapping from old name to new name
ID: list of ints, optional
2020-10-02 21:21:33 +05:30
Limit renaming to selected material IDs.
constituent: list of ints, optional
Limit renaming to selected constituents.
"""
dup = copy.deepcopy(self)
2020-10-02 21:21:33 +05:30
for i,m in enumerate(dup['material']):
if ID and i not in ID: continue
for c in m['constituents']:
if constituent is not None and c not in constituent: continue
try:
c['phase'] = mapping[c['phase']]
except KeyError:
continue
return dup
2020-10-02 21:21:33 +05:30
def material_rename_homogenization(self,mapping,ID=None):
"""
2020-10-02 21:21:33 +05:30
Change homogenization name in material.
Parameters
----------
mapping: dictionary
Mapping from old name to new name
ID: list of ints, optional
Limit renaming to selected homogenization IDs.
"""
dup = copy.deepcopy(self)
2020-10-02 21:21:33 +05:30
for i,m in enumerate(dup['material']):
if ID and i not in ID: continue
try:
m['homogenization'] = mapping[m['homogenization']]
except KeyError:
continue
return dup
def material_add(self,constituents,**kwargs):
"""
Add material entries.
Parameters
----------
2020-10-09 17:49:19 +05:30
constituents : dict
2020-10-29 02:22:51 +05:30
Entries for 'constituents' as key-value pair.
2020-10-09 17:49:19 +05:30
**kwargs
2020-10-29 02:22:51 +05:30
Key-value pairs.
Examples
--------
2020-10-09 17:49:19 +05:30
>>> import damask
>>> O = damask.Rotation.from_random(3).as_quaternion()
>>> phase = ['Aluminum','Steel','Aluminum']
2020-10-30 00:39:13 +05:30
>>> m = damask.ConfigMaterial().material_add(constituents={'phase':phase,'O':O},
... homogenization='SX')
>>> m
2020-10-09 17:49:19 +05:30
material:
- constituents:
- O: [0.577764, -0.146299, -0.617669, 0.513010]
fraction: 1.0
phase: Aluminum
homogenization: SX
- constituents:
- O: [0.184176, 0.340305, 0.737247, 0.553840]
fraction: 1.0
phase: Steel
homogenization: SX
- constituents:
- O: [0.0886257, -0.144848, 0.615674, -0.769487]
fraction: 1.0
phase: Aluminum
homogenization: SX
"""
c = [{'constituents':u} for u in ConfigMaterial._constituents(**constituents)]
for k,v in kwargs.items():
2020-10-09 11:15:20 +05:30
if hasattr(v,'__len__') and not isinstance(v,str):
if len(v) != len(c):
2020-10-29 02:22:51 +05:30
raise ValueError('Cannot add entries of different length')
for i,vv in enumerate(v):
c[i][k] = [w.item() for w in vv] if isinstance(vv,np.ndarray) else vv.item()
else:
for i in range(len(c)):
c[i][k] = v
dup = copy.deepcopy(self)
2020-10-30 00:39:13 +05:30
dup['material'] = dup['material'] + c if 'material' in dup else c
return dup
@staticmethod
def _constituents(N=1,**kwargs):
2020-10-09 11:15:20 +05:30
"""Construct list of constituents."""
for v in kwargs.values():
if hasattr(v,'__len__') and not isinstance(v,str): N_material = len(v)
if N == 1:
m = [[{'fraction':1.0}] for _ in range(N_material)]
for k,v in kwargs.items():
if hasattr(v,'__len__') and not isinstance(v,str):
if len(v) != N_material:
2020-10-29 02:22:51 +05:30
raise ValueError('Cannot add entries of different length')
for i,vv in enumerate(np.array(v)):
m[i][0][k] = [w.item() for w in vv] if isinstance(vv,np.ndarray) else vv.item()
else:
for i in range(N_material):
m[i][0][k] = v
return m
else:
raise NotImplementedError