SOIL-STRUCTURE INTERACTION (SSI) ANALYSIS USING A HYBRID SPECTRAL ELEMENT/FINITE ELEMENT (SE/FE) APPROACH

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Golbazi Milad

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON INNOVATION IN SCIENCE AND TECHNOLOGY
Year:2016 | Issue:1

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Title

SOIL-STRUCTURE INTERACTION (SSI) ANALYSIS USING A HYBRID SPECTRAL ELEMENT/FINITE ELEMENT (SE/FE) APPROACH

Author(s)

Golbazi Milad | Issue Writer Certificate

Keywords

SOIL-STRUCTURE INTERACTION

HYBRID APPROACH

SPECTRAL ELEMENT METHOD

FINITE ELEMENT METHOD

ELASTODYNAMICS

Abstract

THIS STUDY PROPOSES A NEW FORMULATION FOR MODELING SOIL-STRUCTURE INTERACTION (SSI) PROBLEMS. IN THIS DIRECT TIME-DOMAIN METHOD, THE HALF-SPACE SOIL MEDIUM IS MODELED BY SPECTRAL ELEMENT METHOD (SEM) WHICH IS BASED UPON A CONFORMING MESH OF TWO-DIMENSIONAL QUADRILATERALS, AND THE STRUCTURAL FRAME COMPONENTS ARE MODELED BY FINITE ELEMENT METHOD (FEM). FORMULATION AND VARIOUS COMPUTATIONAL ASPECTS OF THE PROPOSED HYBRID APPROACH ARE THOROUGHLY DISCUSSED. TO THE AUTHOR'S KNOWLEDGE, THIS IS THE FIRST STUDY OF A HYBRID SE/FE METHOD FOR SSI ANALYSES. THE ACCURACY AND EFFICIENCY OF THE METHOD IS DISCUSSED BY DEVELOPING A TWO-DIMENSIONAL SSI ANALYSIS PROGRAM AND COMPARING RESULTS OBTAINED FROM THE PROPOSED HYBRID SE/FE METHOD WITH THOSE REPORTED IN THE LITERATURE. FOR THIS PURPOSE, A NUMBER OF SOIL-STRUCTURE INTERACTION AND WAVE PROPAGATION PROBLEMS, SUBJECTED TO VARIOUS EXTERNALLY APPLIED TRANSIENT LOADINGS OR SEISMIC WAVE EXCITATIONS, ARE PRESENTED USING THE PROPOSED APPROACH. EACH PROBLEM IS SUCCESSFULLY MODELED USING A SMALL NUMBER OF DEGREES OF FREEDOM IN COMPARISON WITH OTHER NUMERICAL METHODS. THE PRESENT RESULTS AGREE VERY WELL WITH THE ANALYTICAL SOLUTIONS AS WELL THE RESULTS FROM OTHER NUMERICAL METHODS.

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APA: Copy

Golbazi, Milad. (2016). SOIL-STRUCTURE INTERACTION (SSI) ANALYSIS USING A HYBRID SPECTRAL ELEMENT/FINITE ELEMENT (SE/FE) APPROACH. INTERNATIONAL CONFERENCE ON INNOVATION IN SCIENCE AND TECHNOLOGY. SID. https://sid.ir/paper/926622/en

Vancouver: Copy

Golbazi Milad. SOIL-STRUCTURE INTERACTION (SSI) ANALYSIS USING A HYBRID SPECTRAL ELEMENT/FINITE ELEMENT (SE/FE) APPROACH. 2016. Available from: https://sid.ir/paper/926622/en

IEEE: Copy

Milad Golbazi, “SOIL-STRUCTURE INTERACTION (SSI) ANALYSIS USING A HYBRID SPECTRAL ELEMENT/FINITE ELEMENT (SE/FE) APPROACH,” presented at the INTERNATIONAL CONFERENCE ON INNOVATION IN SCIENCE AND TECHNOLOGY. 2016, [Online]. Available: https://sid.ir/paper/926622/en

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