Study of an artificial boundary condition based on the damping-solvent extraction method

Qiang XU, Jianyun CHEN, Jing LI, Mingming WANG

PDF(398 KB)
PDF(398 KB)
Front. Struct. Civ. Eng. ›› 2012, Vol. 6 ›› Issue (3) : 281-287. DOI: 10.1007/s11709-012-0167-5
RESEARCH ARTICLE

Study of an artificial boundary condition based on the damping-solvent extraction method

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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.

Keywords

damping-solvent extraction method / structure-unlimited-foundation system / spring-damper system / artificial damping limited region / finite element method

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Qiang XU, Jianyun CHEN, Jing LI, Mingming WANG. Study of an artificial boundary condition based on the damping-solvent extraction method. Front Struc Civil Eng, 2012, 6(3): 281‒287 https://doi.org/10.1007/s11709-012-0167-5

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Acknowledgment

This study was supported by Project supported by the National Natural Science Foundation of China (Grant No. 51109029, 51178081, 51138001, 51009020) and the China Postdoctoral Science Foundation (Grant No.20110491535).

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2014 Higher Education Press and Springer-Verlag Berlin Heidelberg
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