先进材料疑固实验室 Situation 3:No diffusion in the solid,normal Laboratory of Advanced Materials Solidification diffusion in the liquid,no convection. Characteristic equation of d2CL is D2+R1=0 Then =一 R 入1=0 The general solution CL Ciehx +C2eax Then nced Materials Sol G-G+Ge 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITYSituation 3: No diffusion in the solid, normal diffusion in the liquid, no convection. Characteristic equation of is Then The general solution Then