Getting temperature dependent material properties.

[germa89]

It seems to me that so far this is not possible, but I would like to get some oficial confirmation.

Given the following RST file:

file_tmp_mat.rst.zip

with the following material defined (as given by pymapdl-reader):

{np.int32(1): {
   'EX': np.float64(169000000000.0), 
   'NUXY': np.float64(0.30000000000000004), 
   'ALPX': array(
      [[3.00000000e+02, 4.00000000e+02, 5.00000000e+02, 6.00000000e+02,
        7.00000000e+02, 8.00000000e+02, 9.00000000e+02, 1.00000000e+03,
        1.10000000e+03, 1.20000000e+03, 1.30000000e+03, 1.40000000e+03,
        1.50000000e+03],
       [2.56800000e-06, 5.14400000e-06, 5.13300000e-06, 5.09400000e-06,
        5.05125000e-06, 5.01760000e-06, 4.99350000e-06, 4.98228571e-06,
        4.98112500e-06, 4.98933333e-06, 5.00420000e-06, 5.02690909e-06,
        5.05300000e-06]]
        ), 
   'KXX': array(
      [[ 300. ,  400. ,  500. ,  600. ,  700. ,  800. ,  900. , 1000. ,
        1100. , 1200. , 1300. , 1400. , 1500. ],
       [ 146.4,   98.3,   73.2,   57.5,   49.2,   41.8,   37.6,   34.5,
          31.4,   28.2,   27.2,   26.1,   25.1]]),
   'RSVX': np.float64(0.00042),
   'HF': array(
      [[ 300. ,  500. ,  700. ,  900. , 1100. , 1300. , 1500. ],
       [  17.8,   60. ,   65.6,   68.9,   71.1,   72.6,   73.2]]
       ),
   'PRXY': np.float64(0.30000000000000004)
   }
}

(there are other material properties)

I cannot get the temperature-dependent material properties.

For instance for ALPX, I try:

from ansys.dpf import core as dpf
from ansys.dpf.core import Model

model = Model("file_tmp_mat.rst")

mats = model.metadata.meshed_region.property_field("mat")
mat_prop = dpf.operators.result.mapdl_material_properties()
mat_prop.inputs.materials.connect(mats)

mat_prop.connect(0, ['ALPX'])
mat_prop.inputs.data_sources.connect(model)
prop_field = mat_prop.outputs.properties_value.get_data()
material_id = 0  # Only one material has ALPX
print(prop_field[material_id].data)

which prints:

DPFArray([2.568e-06])

So all the other materials coefficients seems missing.

Full material properties

{np.int32(1): {
   'EX': np.float64(169000000000.0), 
   'NUXY': np.float64(0.30000000000000004), 
   'ALPX': array(
      [[3.00000000e+02, 4.00000000e+02, 5.00000000e+02, 6.00000000e+02,
        7.00000000e+02, 8.00000000e+02, 9.00000000e+02, 1.00000000e+03,
        1.10000000e+03, 1.20000000e+03, 1.30000000e+03, 1.40000000e+03,
        1.50000000e+03],
       [2.56800000e-06, 5.14400000e-06, 5.13300000e-06, 5.09400000e-06,
        5.05125000e-06, 5.01760000e-06, 4.99350000e-06, 4.98228571e-06,
        4.98112500e-06, 4.98933333e-06, 5.00420000e-06, 5.02690909e-06,
        5.05300000e-06]]
        ), 
   'KXX': array(
      [[ 300. ,  400. ,  500. ,  600. ,  700. ,  800. ,  900. , 1000. ,
        1100. , 1200. , 1300. , 1400. , 1500. ],
       [ 146.4,   98.3,   73.2,   57.5,   49.2,   41.8,   37.6,   34.5,
          31.4,   28.2,   27.2,   26.1,   25.1]]),
   'RSVX': np.float64(0.00042),
   'HF': array(
      [[ 300. ,  500. ,  700. ,  900. , 1100. , 1300. , 1500. ],
       [  17.8,   60. ,   65.6,   68.9,   71.1,   72.6,   73.2]]
       ),
   'PRXY': np.float64(0.30000000000000004)
   },
np.int32(2): {
   'HF': array([[ 300. ,  500. ,  700. ,  900. , 1100. , 1300. , 1500. ],
       [  11.2,   37.9,   41.4,   43.4,   44.8,   45.7,   46. ]])
       },
np.int32(3): {
   'HF': array(
      [[ 300. ,  500. ,  700. ,  900. , 1100. , 1300. , 1500. ],
       [  15. ,   50.9,   55.5,   58.2,   60. ,   61.2,   62.7]]
       )
       },
np.int32(4): {
   'HF': array(
      [[ 300. ,  500. ,  700. ,  900. , 1100. , 1300. , 1500. ],
       [  10.3,   35. ,   38.2,   40. ,   41.3,   42.1,   42.5]]
       )
       },
np.int32(5): {
   'HF': array(
      [[ 300. ,  500. ,  700. ,  900. , 1100. , 1300. , 1500. ],
       [  22.4,   69.3,   76.1,   80.5,   83.7,   86. ,   87.5]]
       )
       },
np.int32(6): {
   'HF': array(
      [[ 300. ,  500. ,  700. ,  900. , 1100. , 1300. , 1500. ],
       [  13. ,   39.6,   43.6,   46. ,   47.6,   49. ,   50.1]]
       )
       },
np.int32(7): {
   'HF': array(
      [[ 300. ,  500. ,  700. ,  900. , 1100. , 1300. , 1500. ],
       [  24. ,   73.8,   81. ,   85.7,   89.2,   91.6,   93.2]]
       )
       },
np.int32(8): {
   'HF': array(
      [[ 300.,  500.,  700.,  900., 1100., 1300., 1500.],
       [ 929., 1193., 1397., 1597., 1791., 1982., 2176.]]
       )
       }}

Related conversations:

• Access to mechanical model material configurations with pyDPF #1414
• Add Material API implementation #438

[PProfizi]

@oparreno FYI

[oparreno]

@ricardopeixotocoelho, would you please take a look at German's request? Thanks