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Spring-damper Boundary in Computational Model of Seismic Response of Construction Structures

Author: LiuJiaHua
Tutor: ShenFengQiang
School: Hefei University of Technology
Course: Structural Engineering
Keywords: Wave Theory The principle of minimum potential energy Boundary characteristic matrix Finite element model Spring - damper boundary Earthquake Response
CLC: TU352.1
Type: Master's thesis
Year: 2002
Downloads: 141
Quote: 6
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Abstract


According to the the elastic medium wave theory , the use of the principle of minimum potential energy , spring - damper boundary feature matrix is derived . In order to overcome the deficiencies of traditional rigid foundation model is proposed for the finite element model of the frame structure seismic response analysis of soil - structure system . The model used in the beams and columns the planar four node parameters element simulation of the upper frame structure . By setting the bottom of the spring the boundary and sides of a damper bundled boundary foundation considering soil - structure interaction . The bottom full account of the boundary damping and stiffness . Through the comparison of the seismic response analysis of building structure , spring - damper boundary than the viscous boundary better , improve the calculation accuracy , and to overcome the shortcomings of the fixed boundary can not be radiated energy .

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CLC: > Industrial Technology > Building Science > Building structure > Special Structure > Anti - shock structure,disaster prevention structures > Shock, isolation, and explosion-proof structure
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