大坝结构静动力分析的精细化模型*
林 皋1,2,庞 林1,2

(1.大连理工大学 海岸与近海工程国家重点实验室,辽宁 大连 116024; 2.大连理工大学 工程抗震研究所建设工程学部水利工程学院,辽宁 大连 116024)

静动力分析; 多边形单元; 奇异应力场

Model Refinement for Static and Dynamic Analysis for Dam Structures
LIN Gao1,2,PANG Lin1,2

(1.State key Laboratory of Coastal and Offshore Engineering,Dalian Vniversityof Technology,Dalian 116024,Lianning,China)(2.Institute of Earthquake Engineering,Faculty of Infrastructure Engineering,Dalian University of Technology,Dalian 116024,Liaoning,China)

static and dynamic analysis; polygon element; singular stress field

备注

阐述近期大连理工大学抗震研究所在大坝抗震分析方面所取得的研究成果,为了提高大坝结构静动力分析的计算精度与效率,提出多边形单元的计算技术与奇异应力场计算方法,该方法使应力计算成果较有限元法有很大的改进,且计算工作量比较节省。

The recent progress of the research which is conducted by the Faculty of Infrastructure Engineering,Dalian University of Technology is briefly introduced. To enhance the accuracy and efficiency of the static and dynamic stress analysis for dam structures,the calculation technique for exploiting salient functions of polygon elements and the method for evaluating singular stress field has been developed. Compared with the finite element analysis,these achievements results of stress analysis have been greatly improved. Meanwhile,the computational effort is reduced to a great extent.