from pycalculix import *

def run_pycalculix_simulation(length, width, thickness, force):
    """
    Executes a PyCalculix simulation.

    Parameters:
        length (float): Length of the plate/beam.
        width (float): Width of the plate/beam.
        thickness (float): Thickness of the plate/beam.
        force (float): Applied force.

    Returns:
        tuple: (stress, deformation) from the simulation.
    """
    # Create a PyCalculix model
    model = Model("Plate")
    part = model.make_rect(length, width)

    # Apply material properties
    mat = Material("Steel")
    mat.set_mech_props(210e9, 0.3)  # Elastic modulus (Pa) and Poisson's ratio
    model.set_matl(part, mat)

    # Apply boundary conditions
    model.set_constr_bc(part.get_edge("LEFT"), 'ALL')  # Clamped edge
    model.set_force_bc(part.get_edge("RIGHT"), 'FY', force)

    # Solve the model
    model.run_sim()

    # Extract results
    stress = model.get_max_stress()
    deformation = model.get_max_displacement()

    return stress, deformation