On Nonlinear Inverse Problems of Heat Transfer with Radiation Boundary Conditions: Application to Dehydration of Gypsum Plasterboards Exposed to Fire

Figure 3

Example of Section 3.2.1—𝜂_𝑘(𝑡) for some 𝑘 with different initializations: (a) 𝜂₀=𝜂_ex(0)=2 and (b) 𝜂₀=𝜂_ex(𝑇)=1+cos(𝑇).

(a)

(b)