Equation Icon  ∂ (uB)L(uB, ζ, ¯ζ) = ∂2(τ)G(τ,ζ,ζ¯) + ∂(τ)G ′(τ,ζ, ¯ζ) ⋅ ∂(uB)T, ˙ ¯ ′ ¯ ˙ L(uB, ζ,ζ) = ∂(τ)G (τ,ζ,ζ) ⋅T,