How to apply sinusoidal current

[akariwrynn]

Hi,
I want to apply sinusoidal current and look for voltage to do EIS. How can I do it?

Thanks.

[YannickNoelStephanKuhn]

Hi,
you need to use the symbolic functions defined in PyBaMM.

import numpy as np
import pybamm
parameters = {...}
amplitude = ...
frequency = ...
parameters['Current function [A]'] = lambda t: amplitude * pybamm.sin(2 * np.pi * frequency * t)