Thermal1

Transient thermal simulation.

Volume: 0.913
0.000 s
0.010 s
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0.040 s
0.050 s
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0.480 s
0.490 s
0.500 s

==================== Mesh ====================

Element type: PRISM18
Ne = 288, Nn = 1512, dof = 4536

==================== Model ====================


Thermal :
thermal conductivity (k)  : 1
thermal mass capacity (c) : 1

solver : pypardiso

============= Boundary Conditions =============

Unspecified.

=================== Results ===================

Unspecified.

=================== TicTac ===================

Mesh : 37.917 ms
Boundary Conditions : 9.537 µs
Matrix : 16.316 ms
Solver : 822.053 ms

Generate movie 0/50
Generate movie 1/50 (2.00 %) 7.59 s
Generate movie 2/50 (4.00 %) 7.40 s
Generate movie 3/50 (6.00 %) 7.21 s
Generate movie 4/50 (8.00 %) 7.11 s
Generate movie 5/50 (10.00 %) 6.93 s
Generate movie 6/50 (12.00 %) 6.75 s
Generate movie 7/50 (14.00 %) 6.58 s
Generate movie 8/50 (16.00 %) 6.47 s
Generate movie 9/50 (18.00 %) 6.32 s
Generate movie 10/50 (20.00 %) 6.15 s
Generate movie 11/50 (22.00 %) 6.03 s
Generate movie 12/50 (24.00 %) 5.88 s
Generate movie 13/50 (26.00 %) 5.80 s
Generate movie 14/50 (28.00 %) 5.56 s
Generate movie 15/50 (30.00 %) 5.42 s
Generate movie 16/50 (32.00 %) 5.20 s
Generate movie 17/50 (34.00 %) 5.10 s
Generate movie 18/50 (36.00 %) 4.94 s
Generate movie 19/50 (38.00 %) 4.78 s
Generate movie 20/50 (40.00 %) 4.51 s
Generate movie 21/50 (42.00 %) 3.21 s
Generate movie 22/50 (44.00 %) 4.27 s
Generate movie 23/50 (46.00 %) 4.17 s
Generate movie 24/50 (48.00 %) 4.06 s
Generate movie 25/50 (50.00 %) 3.84 s
Generate movie 26/50 (52.00 %) 3.70 s
Generate movie 27/50 (54.00 %) 3.55 s
Generate movie 28/50 (56.00 %) 3.41 s
Generate movie 29/50 (58.00 %) 3.24 s
Generate movie 30/50 (60.00 %) 3.07 s
Generate movie 31/50 (62.00 %) 2.91 s
Generate movie 32/50 (64.00 %) 2.77 s
Generate movie 33/50 (66.00 %) 2.63 s
Generate movie 34/50 (68.00 %) 2.48 s
Generate movie 35/50 (70.00 %) 2.33 s
Generate movie 36/50 (72.00 %) 2.19 s
Generate movie 37/50 (74.00 %) 2.02 s
Generate movie 38/50 (76.00 %) 1.87 s
Generate movie 39/50 (78.00 %) 1.71 s
Generate movie 40/50 (80.00 %) 1.55 s
Generate movie 41/50 (82.00 %) 1.40 s
Generate movie 42/50 (84.00 %) 1.25 s
Generate movie 43/50 (86.00 %) 1.10 s
Generate movie 44/50 (88.00 %) 937.52 ms
Generate movie 45/50 (90.00 %) 782.18 ms
Generate movie 46/50 (92.00 %) 616.61 ms
Generate movie 47/50 (94.00 %) 467.15 ms
Generate movie 48/50 (96.00 %) 310.76 ms
Generate movie 49/50 (98.00 %) 156.14 ms
Generate movie 50/50 (100.00 %) 0.00 µs

from EasyFEA import (
    Display,
    Folder,
    Models,
    plt,
    Mesher,
    ElemType,
    Simulations,
    PyVista,
)
from EasyFEA.Geoms import Circle, Domain, Point

if __name__ == "__main__":
    Display.Clear()

    # ----------------------------------------------
    # Configuration
    # ----------------------------------------------
    dim = 3  # Set the simulation dimension (2D or 3D)

    # outputs
    folder = Folder.Join(Folder.RESULTS_DIR, "Thermal", "Thermal1")
    makeMovie = True
    result = "thermal"

    # geom
    a = 1

    # load
    Tmax = 0.5
    N = 50
    dt = Tmax / N

    # ----------------------------------------------
    # Mesh
    # ----------------------------------------------
    domain = Domain(Point(), Point(a, a), a / 4)
    circle = Circle(Point(a / 2, a / 2), diam=a / 3, isHollow=True, meshSize=a / 4)

    if dim == 2:
        mesh = Mesher().Mesh_2D(domain, [circle], ElemType.TRI6)
    else:
        mesh = Mesher().Mesh_Extrude(
            domain, [circle], [0, 0, -a], [4], ElemType.PRISM18
        )

    nodesX0 = mesh.Nodes_Conditions(lambda x, y, z: x == 0)
    nodesXa = mesh.Nodes_Conditions(lambda x, y, z: x == a)
    nodesCircle = mesh.Nodes_Cylinder(circle, [0, 0, -1])

    if dim == 3:
        print(f"Volume: {mesh.volume:.3}")

    # ----------------------------------------------
    # Simulation
    # ----------------------------------------------
    thermalModel = Models.Thermal(k=1, c=1, thickness=1)
    simu = Simulations.ThermalSimu(mesh, thermalModel, False)
    simu.rho = 1

    simu.add_dirichlet(nodesX0, [0], ["t"])
    simu.add_dirichlet(nodesXa, [40], ["t"])

    # Set the parabolic algorithm for the solver
    simu.Solver_Set_Parabolic_Algorithm(alpha=0.5, dt=dt)

    t = -dt  # init time
    while t < Tmax:
        t += dt

        simu.Solve()
        simu.Save_Iter()

        print(f"{t:.3f} s", end="\r")

    # ----------------------------------------------
    # Results
    # ----------------------------------------------
    print(simu)

    Display.Plot_Result(simu, result, plotMesh=True, nodeValues=True, folder=folder)

    if makeMovie:
        PyVista.Movie_simu(simu, result, folder, f"{result}.gif", plotMesh=True)

    plt.show()