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.

Analytical solution for simple problems

Numerical solution (finite difference method) for complex problems

Four types of materials: built-in fine grained soil and coarse grained soil, general freezable material, and simple material

Constant Temperature Boundary

Sinusoidal Temperature Boundary

Piecewise Straight Line Temperature Boundary