一维，二维平板第一类边界非稳态传热 一维有限体积非稳态传热-unsteady heat transfer numerical compute one dimension or two dimensions

大平壁非稳态导热计算，大平壁的初始温度为t0 ，两侧面向温度为tf的介质散热，表面传热系数为h。计算平壁中的温度场。-Ohira wall unsteady heat conduction calculation.Ohira initial temperature of the wall as t0, tf both sides oriented temperatures for dielectric cooling , the surface heat transfer coefficient