Local spectrum analysis of field propagation in an anisotropic medium Part II Time-dependent fields

2005 ◽  
Vol 22 (6) ◽  
pp. 1208 ◽  
Author(s):  
Igor Tinkelman ◽  
Timor Melamed
Keyword(s):  
Anisotropic Medium ◽  
Spectrum Analysis ◽  
Time Dependent ◽  
Local Spectrum

Structure Response of Cable-Stayed Bridge that Is Used with a Known Earthquake Spectrum

2011 ◽  
Vol 250-253 ◽  
pp. 3397-3400
Author(s):  
Yong Bin Ma ◽  
Yong Feng Du
Keyword(s):  
Modal Analysis ◽  
Spectrum Analysis ◽  
Time History ◽  
Time Dependent ◽  
Wave Loads ◽  
Jet Engine ◽  
Structure Response ◽  
Cable Stayed Bridge ◽  
Engine Thrust ◽  
History Analysis

A spectrum analysis is one in which the results of a modal analysis are used with a known spectrum to calculate displacements and stresses in the model. It is mainly used in place of a time-history analysis to determine the response of structures to random or time-dependent loading conditions such as earthquakes, wind loads, ocean wave loads, jet engine thrust, rocket motor vibrations, and so on. The paper is to analysis displacements and stresses of a cable-stayed bridge that is used with a known earthquake spectrum.

Nonlinear Time-Dependent Thermoelastic Response in a Multilayered Anisotropic Medium

2002 ◽  
Vol 69 (4) ◽  
pp. 556-563
Author(s):  
T.-C. Chen ◽  
S.-J. Hwang ◽  
C.-Q. Chen
Keyword(s):  
Anisotropic Medium ◽  
Material Properties ◽  
Thermal Stresses ◽  
Plane Deformation ◽  
Time Dependent ◽  
Temperature Dependent ◽  
Kirchhoff Transformation ◽  
The Laplace Transform ◽  
Thermoelastic Response ◽  
Transform Domains

A time-dependent nonlinear thermoelastic problem of a multilayered anisotropic medium with a certain specific form of temperature-dependent material properties in generalized plane deformation is analyzed by flexibility/stiffness matrix technique in the article. The closed-form general solutions of temperature, displacements, and stresses can then be obtained in the Fourier and the Laplace transform domains by using the technique of Kirchhoff transformation. The effects of temperature-dependent material properties on the distributions of temperature and thermal stresses are also calculated and discussed.

Local spectrum analysis of medical images

1991 ◽  
Author(s):  
Atilla M. Baskurt ◽  
Francoise Peyrin ◽  
Zhu-Yue Min ◽  
Robert Goutte
Keyword(s):  
Spectrum Analysis ◽  
Medical Images ◽  
Local Spectrum
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