The finite element model of the thermal conductive equation and the thermo - elastic equation in the system consisting of a transparent coating and a opaque substrate is established based on the analysis of the stability of solution and two important parameters , meshing size and time step 摘要在分析了網(wǎng)格大小和時(shí)間步長(zhǎng)這兩個(gè)重要參數(shù)和求解穩(wěn)定性的基礎(chǔ)上,采用有限元方法建立了透明薄膜基底系統(tǒng)的熱傳導(dǎo)方程和熱彈性方程的有限元模型。