Modeling heat and moisture flow in soils

This paper describes a new model of the simultaneous flow of heat and moisture in soils. The model is a user-oriented experimental tool specifically designed for use in research. Computer optimization techni ques, numerical methods, and soil physics were used in developing the model. The model has been used in simulating the two-dimensional transfer of heat and moisture. It includes the effects of the environment and of subsurface sources and sinks.