Dumux code for creating results in dual network publication

Dumux source to produce some of the result in T. Koch, K. Weishaupt, J. Müller, B. Weigand, R.Helmig (2021) A (dual) network model for heat transfer in porous media, Transport...本Dumux源代码用于生成T. Koch、K. Weishaupt、J. Müller、B. Weigand、R. Helmig（2021年）发表于《Transport...》的《多孔介质传热（双）网络模型》一文的部分结果。