Define materials

PyFluent supports using Solver TUI commands and Solver settings objects to define materials.

Use solver TUI commands

This example shows a comparison between the TUI command and the Python code for defining the fluid material being modelled on a cell zone.

TUI command

/define/materials elbow-fluid yes water-liquid no no no no 0 no 0 no 0 no 0 no 0 no 1 no no no no no

Python code

import ansys.fluent.core as pyfluent

solver = pyfluent.launch_fluent(precision="double", processor_count=2, mode="solver")
solver.tui.file.read_case("file.cas.h5")
solver.tui.define.materials.copy("fluid", "water-liquid")
solver.tui.define.boundary_conditions.fluid(
    "elbow-fluid",
    "yes",
    "water-liquid",
    "no",
    "no",
    "no",
    "no",
    "0",
    "no",
    "0",
    "no",
    "0",
    "no",
    "0",
    "no",
    "0",
    "no",
    "1",
    "no",
    "no",
    "no",
    "no",
    "no",
)

Use settings objects

This example shows how you use Solver settings objects to define materials.

Copy material from database

Python code

solver.setup.materials.copy_database_material_by_name(type="fluid", name="water-liquid")
solver.setup.cell_zone_conditions.fluid["elbow-fluid"].material = "water-liquid"

Create new material

Python code

mysolid = solver.setup.materials.solid.create("mysolid")
mysolid.chemical_formula = "SiO2"
mysolid.density.value = 2650
mysolid.specific_heat.value = 1887
mysolid.thermal_conductivity.value = 7.6

myfluid = solver.setup.materials.fluid.create("myfluid")
myfluid.chemical_formula = "H2O"
myfluid.density.value = 1000
myfluid.specific_heat.value = 4186
myfluid.thermal_conductivity.value = 0.6
myfluid.viscosity.value = 1.03e-3