防灾减灾工程学报2017，Vol.37Issue(4)：604-610,696,8.DOI:10.13409/j.cnki.jdpme.2017.04.015
饱和砂土热流耦合离心机试验的有限元分析
Finite Element Analysis of Thermal-Hydraulic Coupled Centrifuge Test for Saturated Sand
摘要
Abstract
The analyses of thermal-hydraulic coupling effects in geotechnical problems often present great complexity,but centrifuge test and finite element method can be of great help in these situations.This paper focuses on thermal-hydraulic coupled centrifuge tests and examines the free convection and thermal-hydraulic coupling phenomena in saturated sand via COMSOL,the finite element software of multiphysics.Besides,the scaling laws of centrifuge model test in saturated soil are summarized and the significance of free convection in heat transfer is revealed.The results show that centrifuge tests and numerical experiments which satisfy the scaling laws can properly simulate the thermal-hydraulic coupling effects in saturated soil and that the permeabilitv coefficient has a significant effect on heat transfer in saturated soils.关键词
热流耦合/离心机试验/相似法则/自然对流/有限元分析Key words
thermal-hydraulic coupling/centrifuge test/scaling laws/free convection/finite element analysis分类
建筑与水利引用本文复制引用
熊泽琛,郭红仙,程晓辉..饱和砂土热流耦合离心机试验的有限元分析[J].防灾减灾工程学报,2017,37(4):604-610,696,8.
