Linear and nonlinear analysis of a gyrotron traveling wave amplifier with misaligned electron beam

2006 ◽  
Vol 13 (11) ◽  
pp. 113101 ◽  
Author(s):  
Chongqing Jiao ◽  
Jirun Luo
Keyword(s):  
Electron Beam ◽  
Nonlinear Analysis ◽  
Traveling Wave ◽  
Traveling Wave Amplifier ◽  
Linear And Nonlinear

A nonlinear analysis of the terahertz serpentine waveguide traveling-wave amplifier

2015 ◽  
Vol 22 (4) ◽  
pp. 043115 ◽  
Author(s):  
Ke Li ◽  
Wenxin Liu ◽  
Yong Wang ◽  
Miaomiao Cao
Keyword(s):  
Nonlinear Analysis ◽  
Traveling Wave ◽  
Traveling Wave Amplifier

scholarly journals Tuned Mass Damper Design for Slender Masonry Structures: A Framework for Linear and Nonlinear Analysis

2021 ◽  
Vol 11 (8) ◽  
pp. 3425
Author(s):  
Marco Zucca ◽  
Nicola Longarini ◽  
Marco Simoncelli ◽  
Aly Mousaad Aly
Keyword(s):  
Nonlinear Analysis ◽  
Linear Time ◽  
Design Procedure ◽  
Time History ◽  
Tuned Mass Damper ◽  
Second Phase ◽  
Masonry Structures ◽  
Base Shear ◽  
Mass Damper ◽  
Linear And Nonlinear

The paper presents a proposed framework to optimize the tuned mass damper (TMD) design, useful for seismic improvement of slender masonry structures. A historical masonry chimney located in northern Italy was considered to illustrate the proposed TMD design procedure and to evaluate the seismic performance of the system. The optimization process was subdivided into two fundamental phases. In the first phase, the main TMD parameters were defined starting from the dynamic behavior of the chimney by finite element modeling (FEM). A series of linear time-history analyses were carried out to point out the structural improvements in terms of top displacement, base shear, and bending moment. In the second phase, masonry's nonlinear behavior was considered, and a fiber model of the chimney was implemented. Pushover analyses were performed to obtain the capacity curve of the structure and to evaluate the performance of the TMD. The results of the linear and nonlinear analysis reveal the effectiveness of the proposed TMD design procedure for slender masonry structures.

High power broadband W-band gyrotron traveling wave amplifier

2003 ◽  
Author(s):  
D.B. McDermott ◽  
H.H. Song ◽  
L.R. Barnett ◽  
Y. Hirata ◽  
A.T. Lin ◽  
...  
Keyword(s):  
High Power ◽  
Traveling Wave ◽  
W Band ◽  
Traveling Wave Amplifier
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