MIN	Minimum
MAX	Maximum
DC	Direct Current
E	Electric Field
$\rho$	Charge Density
$\varphi$	Electric Potential
STD	Standard Devaition
SCA	Sine–Cosine Algorithm
RMSE	Root-Mean-Square Error
MAD	Mean Absolute Deviation
ANN	Artificial Neural Network
UP-EHD	Unipolar Electrohydrodynamic
ENSE	Error in Nash–Sutcliffe Efficiency
RK4	Runge–Kutta order four technique
SQP	Sequential Quadratic Programming