Frost1D Frost1D is a one dimensional ground frost penetration analysis program. It is able to analyze multi-layered material with various temperature boundaries, convective boundaries and heat flux boundaries. 软件下载 Analytical solution for simple problemsNumerical solution (finite difference method) for complex problemsFour types of materials: built-in fine grained soil and coarse grained soil, general freezable material, and simple material Constant Temperature BoundarySinusoidal Temperature BoundaryPiecewise Straight Line Temperature Boundary