Fig. 1. Biological tissue with L thickness subjected to constant heat flux

Fig. 2. Temperature distributions of different models with different boundary conditions. (a) Non-Fourier boundary condition expressed by equations (25) and (26); (b) non-Fourier boundary condition expressed by equations (18) and (19)

Fig. 3. Comparison of temperature variations at x＝0.2 mm for different models. (a) Results based on boundary condition expressed by equations (25) and (26); (b) results based on boundary condition expressed by equations (18) and (19)

Fig. 4. Space-time temperature field for PBM

Fig. 5. Temperature fields of SPLM with τ_q＝20 s for different boundary conditions. (a) Modified non-Fourier boundary condition; (b) Fourier boundary condition

Fig. 6. Temperature fields of DPLM with τ_q＝20 s and τ_T＝10 s for different boundary conditions. (a) Modified non-Fourier boundary condition; (b) Fourier boundary condition

Fig. 7. Temperature fields in three-dimensional space-time for DPLM and SPLM under non-Fourier boundary condition when τ_q＝20 s and τ_T＝10 s. (a) DPLM; (b) SPLM

Fig. 8. Effects of delay time τ_q on temperature distributions of SPLM under different non-Fourier boundary conditions (t＝50 s). (a) Non-Fourier boundary condition expressed by equation (25); (b) non-Fourier boundary condition expressed by equation (18)

Fig. 9. Effects of delay time τ_q on temperature variations of SPLM under different non-Fourier boundary conditions (x＝0.2 mm). (a) Non-Fourier boundary condition expressed by equation (25); (b) non-Fourier boundary condition expressed by equation (18)

Fig. 10. Temperature distributions of DPLM under different non-Fourier boundary conditions (t＝50 s). (a) Non-Fourier boundary condition expressed by equation (25); (b) non-Fourier boundary condition expressed by equation (19)

Fig. 11. Temperature variations of DPLM under different non-Fourier boundary conditions (x＝0.2 mm). (a) Non-Fourier boundary condition expressed by equation (25); (b) non-Fourier boundary condition expressed by equation (19)