Thermal1

Thermal simulation.

Static Scene

Interactive Scene

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

Element type: TRI6
Ne = 72, Nn = 168

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


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

solver : scipy

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

Unspecified.

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

Unspecified.

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

Mesh : 11.255 ms
Boundary Conditions : 9.060 µs
Matrix : 1.284 ms
Solver : 1.170 ms

from EasyFEA import Display, Models, Mesher, ElemType, Simulations, PyVista
from EasyFEA.Geoms import Circle, Domain, Point

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

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

    # geom
    a = 1

    # ----------------------------------------------
    # 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, direction=[0, 0, -1])

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

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

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

    simu.Solve()

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

    PyVista.Plot(simu, "thermal", plotMesh=True, nodeValues=True).show()