On the basis of functional of the unstable 3d temperature field , the spatial and temporal sepration of the fem implicit solution are studied , and the control equation of the fem calculation is derivated 在不穩(wěn)定溫度場泛函基礎上,研究了不穩(wěn)定溫度場隱式有限元計算方法空間離散和時間離散過程,得到相應控制方程。
According to the theory of equivalent time , creep as a function of equivalent time is expressed . by fitting experimental data , parameters of creep in equivalent time field are obtained ; initial strain implicit solution of elastic creep equation in equivalent time field is derived 根據(jù)等效時間理論,將徐變表示為等效時間的函數(shù),通過擬合試驗數(shù)據(jù),得出等效時間域彈性模量和徐變度公式的計算參數(shù),推導了等效時間域的彈性徐變方程的初應變隱式解法。