HEATING6: a multidimensional heat conduction analysis with the finite-difference formulation

HEATING6, a modification of the generalized heat conduction code HEATING5, is designed to solve steady-state and/or transient heat conduction problems in one-, two-, or three-dimensional Cartesian or cylindrical coordinates or one-dimensional spherical coordinates. The thermal conductivity, density, and specific heat may be both spatially and temperature-dependent. The thermal conductivity may be anisotropic. Materials may undergo a change of phase. Thermal properties of materials may be extracted from a material properties library. Heat generation rates may be dependent on time, temperature and position, and boundary temperatures may be time- and position-dependent. The boundary conditions, which may be surface-to-boundary or surface-to-surface, may be specified temperatures or any combination of prescribed heat flux, forced convection, natural convection, and radiation. The thermal efficiency of certain finned surfaces may be modeled. The boundary condition parameters may be time- and/or temperature-dependent. The mesh spacing may be variable along each axis. HEATING6 is variably dimensioned and utilizes free-form input. This report includes a discussion of the numerical techniques used by HEATING6, sections on the program structure and modeling concepts, a detailed set of instructions for preparing input data and using the code, and several sample problems