Geotechnical Thermal Analysis with a Microcomputer

by 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,



Document Type: Proceeding Paper

Part of: Civil Engineering in the Arctic Offshore

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: Finite element method | Thermal analysis | Thermal properties | Two-dimensional models | Two-dimensional analysis | Material properties | Geotechnical engineering | Arctic

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