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In this paper, three different modeling ranges were selected in the structural analysis for a hydropower house. The analysis
was carried out using ABAQUS 6.6. The modeling range has a remarkable effect on finite element method (FEM) calculation result
at the middle position of typical cross-sections where the concrete is relatively thin, and at the region close to turbine
floor. If the ventilation barrel, floor slabs and columns above turbine floor are excluded from FEM model, the maximum rise
difference of pedestal structure increases by about 24% compared with that of the whole model. It is indicated that different
modeling ranges indeed affect FEM calculation result, and the structure above turbine floor in the FEM model should be included. 相似文献
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