Geotechnical Thermal Analysis with a Microcomputerby Douglas J. Goering, Univ of Alaska, Dep of Mechanical, Engineering, Fairbanks, AK, USA,
John P. Zarling, Univ of Alaska, Dep of Mechanical, Engineering, Fairbanks, AK, USA,
Abstract: A computer program entitled TDHC (Two-Dimensional Heat Conduction), based on finite element modelling, is capable of solving two-dimensional nonsteady-state heat conduction problems. These problems may include phase change, thermal properties which vary within the region and with the state of the material, and several types of boundary conditions. Special boundary condition routines are included which emphasize problems of interest to the arctic geotechnical design engineer. TDHC has been written specifically for the IBM Personal Computer in Basic. In order to verify the proper operation of TDHC, three different analytical solutions have been selected for comparison which include the 'whiplash curve' solution for a semi-infinite solid exposed to a harmonic temperature fluctuation at its boundary, Neumann's solution for one-dimensional freezing, and two-dimensional freezing from a corner.
Subject Headings: Thermal analysis | Geotechnical investigation | Computer analysis | Finite element method | Boundary conditions | Two-dimensional models | Thermal properties | Freezing | Computer models | Arctic
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