Location
St. Louis, Missouri
Presentation Date
05 Apr 1995, 1:30 pm - 3:30 pm
Abstract
An efficient algorithm for the calculation of dynamic impedance of viscoelastic multilayered media is presented. The wavenumber integral over infinite limits are split into two subintervals, the first one is dominated by the plane waves while the second is dominated by the surface Rayleigh waves. Though the integrand of the first one is characterized by dense oscillations and sharp peaks, its integration covers very narrow range and can be evaluated sufficiently accurately with dense sampling points. The integrand of second one varies very smoothly and can be determined analytically, the integration is easy to perform. The advantages of the present approach is that high degree of accuracy could be achieved, while the computational effort is reduced to a great extent.
Department(s)
Civil, Architectural and Environmental Engineering
Meeting Name
3rd International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics
Publisher
University of Missouri--Rolla
Document Version
Final Version
Rights
© 1995 University of Missouri--Rolla, All rights reserved.
Creative Commons Licensing
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.
Document Type
Article - Conference proceedings
File Type
text
Language
English
Recommended Citation
Lin, Gao and Chen, Huai-hai, "Efficient Evaluation of Dynamic Impedance" (1995). International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. 21.
https://scholarsmine.mst.edu/icrageesd/03icrageesd/session05/21
Included in
Efficient Evaluation of Dynamic Impedance
St. Louis, Missouri
An efficient algorithm for the calculation of dynamic impedance of viscoelastic multilayered media is presented. The wavenumber integral over infinite limits are split into two subintervals, the first one is dominated by the plane waves while the second is dominated by the surface Rayleigh waves. Though the integrand of the first one is characterized by dense oscillations and sharp peaks, its integration covers very narrow range and can be evaluated sufficiently accurately with dense sampling points. The integrand of second one varies very smoothly and can be determined analytically, the integration is easy to perform. The advantages of the present approach is that high degree of accuracy could be achieved, while the computational effort is reduced to a great extent.
