Frontiers of Structural and Civil Engineering
>> 2012,
Volume 6,
Issue 3
doi:
10.1007/s11709-012-0167-5
RESEARCH ARTICLE
Study of an artificial boundary condition based on the damping-solvent extraction method
School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116023, China
Available online: 2012-09-05
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Abstract
A new artificial boundary condition for time domain analysis of a structure-unlimited-foundation system was proposed. The boundary condition was based on the damping-solvent extraction method. The principle of the damping-solvent extraction method was described. An artificial boundary condition was then established by setting two spring-damper systems and one artificial damping limited region. A test example was developed to verify that the proposed boundary condition and model had high precision. Compared with the damping-solvent extraction method, this boundary condition is easier to be applied to finite element method (FEM)-based numerical calculations.
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