导热是一个不可逆过程,它的优化遵循最小热量传递势容耗散原理.本文根据该原理,对体点问题中的高导热材料布置进行了优化.当域内导热系数的积分为定值时,最小热量传递势容耗散对应于导热系数与当地热流成正比,即全场的温度梯度均匀.以温度梯度均匀化为准则,利用仿生优化方法得到了域内有均匀和非均匀热源时高导热材料的最优布置.
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