Application of GMTM for the Analysis of Foundation Pit Engineering
ICCMS '10 Proceedings of the 2010 Second International Conference on Computer Modeling and Simulation - Volume 03
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In order to solve the modeling problem of geotechnical engineering numerical simulation in complex geological condition, a new and practical modeling method (Geologic Model Transforming Method) of numerical analysis by combining geologic model and numerical model has been presented. In GMTM, there are three key techniques be used to realize the model transformation from geological model to numerical model. These techniques include calculation region cutting, surface model reconstructing and finite element automeshing. Calculation region cutting as the first key technique in GMTM is introduced mainly in this paper. The realizing process of the algorithm is exposited in detail. Finally, an example is given to illustrate the application of the technique. By region cutting technique, local model in 3D geological model could be extracted dynamically and the construction process could be simulated conveniently and the excavation boundary must not be defined in advance. Some useful references would be given by the proposed technique to the continuous researches on this subject.