作者机构:[1]Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University,Shanghai 200072, P. R. China, [2]Department of Civil Engineering, The University of Hong Kong,Hong Kong SAR, P. R. China
相关基金:Project supported by the National Natural Science Foundation of China (Nos. 70629001 and 10771134), the National Basic Research Program of China (973 Program) (No. 2006CB705500), the Research Grants Council of the Hong Kong Special Administrative Region of China (No. HKU7183/08E), and the Research Committee of The University of Hong Kong (No. 10207394)