MODELING TRANSIENT ELASTODYNAMIC PROBLEMS USING SPECTRAL ELEMENT METHOD

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KHAJI N.; HABIBI M.; MIRHASHEMIAN P.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING) Year:2009 | Volume:10 | Issue:4 Page(s): 361-380

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Information Journal Paper

Title

MODELING TRANSIENT ELASTODYNAMIC PROBLEMS USING SPECTRAL ELEMENT METHOD

Author(s)

KHAJI N. | HABIBI M. | MIRHASHEMIAN P. | Issue Writer Certificate

Keywords

SPECTRAL ELEMENT METHOD

FINITE ELEMENT METHOD

ELASTODYNAMICS

DYNAMIC ANALYSIS

Abstract

This study investigates a time-domain method for modeling general transient elastodynamic problems using the spectral-based FINITE ELEMENT METHOD (SEM) which is based upon a conforming mesh of two-dimensional quadrilaterals. Employing the Galerkin weighted residual method, detailed formulation of the SEM is derived in which various aspects involving in elastodynamic problems are discussed. The accuracy and efficiency of the method is fully demonstrated by comparing results obtained from the SEM with those reported in other studies. For this purpose, a set of wave propagation and structural dynamic problems, subjected to various load forms such as triangular load, Heaviside step load, sinusoidal impulsive load, and ramped load are modeled using the SEM. Furthermore, support motion boundary conditions are examined using the SEM. Each problem is successfully modeled using a very small number of degrees of freedom in comparison with other numerical methods. The numerical results agree very well with the analytical solutions as well the results from other numerical methods.

Cites

DETECTION OF A THROUGH-THICKNESS CRACK BASED ON ELASTIC WAVE SCATTERING IN PLATES PART I: FORWARD SOLUTION

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APA: Copy

KHAJI, N., HABIBI, M., & MIRHASHEMIAN, P.. (2009). MODELING TRANSIENT ELASTODYNAMIC PROBLEMS USING SPECTRAL ELEMENT METHOD. ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING), 10(4), 361-380. SID. https://sid.ir/paper/298991/en

Vancouver: Copy

KHAJI N., HABIBI M., MIRHASHEMIAN P.. MODELING TRANSIENT ELASTODYNAMIC PROBLEMS USING SPECTRAL ELEMENT METHOD. ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING)[Internet]. 2009;10(4):361-380. Available from: https://sid.ir/paper/298991/en

IEEE: Copy

N. KHAJI, M. HABIBI, and P. MIRHASHEMIAN, “MODELING TRANSIENT ELASTODYNAMIC PROBLEMS USING SPECTRAL ELEMENT METHOD,” ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING), vol. 10, no. 4, pp. 361–380, 2009, [Online]. Available: https://sid.ir/paper/298991/en

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