def configuration_kwargs(**kwargs):
    """Unpack keyword arguments related to simulation configuration."""
    Model = kwargs.get("Model")
    conv = kwargs.get("ConvCoeff")
    dX = kwargs.get("dX")
    dY = kwargs.get("dY")
    iM = kwargs.get("iM")
    jM = kwargs.get("jM")
    var_dict = {
        "Model": Model,
        "conv": conv,
        "dX": dX,
        "dY": dY,
        "iM": iM,
        "jM": jM
        }
    return var_dict