Dynamic response of a hollow cylinder under memory-dependent differential hygrothermal coupling

2021 ◽  
pp. 1-17
Author(s):  
Yunpeng Gao ◽  
Yongbin Ma
Keyword(s):  
Dynamic Response ◽  
Hollow Cylinder

Dynamic response of a FGPM hollow cylinder under the coupling of multi-fields

2012 ◽  
Vol 218 (21) ◽  
pp. 10492-10499 ◽  
Author(s):  
Hui Xie ◽  
Hong-Liang Dai ◽  
Zhi-Yang Guo
Keyword(s):  
Dynamic Response ◽  
Hollow Cylinder

scholarly journals A Simplified Analytical Solution of Mechanical Responses of Soil Subjected to Repeated Impact Loading

2020 ◽  
Vol 2020 ◽  
pp. 1-10
Author(s):  
Futian Zhao ◽  
Jun Liu ◽  
Zhimin Xiao ◽  
Mingqing Liu ◽  
Yue Wang ◽  
...  
Keyword(s):  
Analytical Solution ◽  
Dynamic Response ◽  
Hollow Cylinder ◽  
Impact Loading ◽  
Dynamic Stress ◽  
Mechanical Response ◽  
Impact Load ◽  
Projection Area ◽  
Response Model ◽  
Repeated Impact

A simplified dynamic response model is proposed based on the deformation and dynamic stress response characteristics of soil under impact loading. The foundation is divided into two distinct zones: a projection cylinder acting vertically under impact loading and a hollow cylinder outside the projection area. It is assumed that the ramming deformation of the projected cylinder under the vertical impact load is a quasi-static loading process under the maximum contact dynamic stress through the quasi-static method, and the settlement calculation without lateral deformation is given. It is assumed that the inner wall of the hollow cylinder is subjected to horizontal lateral pressure and the analytical solution of the horizontal dynamic stress considering the plastic deformation of soil is given. The simplified dynamic response model can reflect the mechanical response of soil under impulse train load well which can provide reference for similar projects.

Thermoelastic dynamic response for a long functionally graded hollow cylinder

2012 ◽  
Vol 47 (3) ◽  
pp. 315-325 ◽  
Author(s):  
Hong-Liang Dai ◽  
Yan-Ni Rao ◽  
Hao-Jie Jiang
Keyword(s):  
Dynamic Response ◽  
Hollow Cylinder ◽  
Functionally Graded Material ◽  
Internal Heat ◽  
Internal Heat Source ◽  
Constant Load ◽  
Functionally Graded ◽  
Power Law Distribution ◽  
Graded Materials ◽  
Graded Material

In this paper, a novel numerical method is presented to analyze the thermoelastic dynamic response of a long hollow cylinder made of functionally graded materials under radially symmetric dynamic mechanical and thermal loadings. That is utilizing finite difference method and Newmark method to solve the governing equation. The material of the functionally graded material hollow cylinder is assumed to change continuously along the thickness according to power-law distribution, except for a constant Poisson’s ratio, and the thermal boundary condition without internal heat source is considered. Comparisons between this paper’s results and the corresponding analytical results validate the solution proposed in this paper. Finally, the functionally graded material hollow cylinder under constant load and impulsive load are discussed in detail and many valuable thermoelastic dynamic characteristics are revealed.

Dynamic Response of a Viscoelastic Cylinder With Ablating Inner Surface

1966 ◽  
Vol 33 (2) ◽  
pp. 275-281 ◽  
Author(s):  
J. D. Achenbach
Keyword(s):  
Dynamic Response ◽  
Internal Pressure ◽  
Hollow Cylinder ◽  
Radial Direction ◽  
Circumferential Stress ◽  
Time Dependent ◽  
Viscoelastic Damping ◽  
Viscoelastic Cylinder ◽  
Vibratory Response ◽  
Inner Surface

The effects of ablation and viscoelasticity on the vibratory response of a hollow cylinder are investigated. The cylinder is subjected to a time-dependent internal pressure. Solutions are presented for the circumferential stress at the eroding inner surface and for the displacement in radial direction. It is found that, due to ablation, frequencies decrease and amplitudes increase. The increases in amplitudes due to ablation are counteracted by viscoelastic damping. In this analysis, it is assumed that the material is incompressible in bulk and viscoelastic in shear.

Radial mass analysis of unstained STEM images of molluscan hemocyanins

1990 ◽  
Vol 48 (3) ◽  
pp. 810-811
Author(s):  
M.G. Hamilton ◽  
T.T. Herskovits ◽  
J.S. Wall
Keyword(s):  
Image Analysis ◽  
Hollow Cylinder ◽  
Electron Micrographs ◽  
Side View ◽  
Mass Analysis ◽  
Mass Measurements ◽  
Electron Microscopic ◽  
Transmission Electron ◽  
Transmission Electron Microscopic ◽  
Microscopic Studies

The hemocyanins of molluscs are aggregates of a cylindrical decameric subparticle that assembles into di-, tri-, tetra-, penta-, and larger multi-decameric particles with masses that are multiples of the 4.4 Md decamer. Electron micrographs of these hemocyanins typically show the particles with two profiles: circular representing the cylinder viewed from the end and rectangular representing the side-view of the hollow cylinder.The model proposed by Mellema and Klug from image analysis of a didecameric hemocyanin with the two decamers facing one another with collar (closed) ends outward fits the appearance of side-views of the negatively-stained cylinders. These authors also suggested that there might be caps at the ends. In one of a series of transmission electron microscopic studies of molluscan hemocyanins, Siezen and Van Bruggen supported the Mellema-Klug model, but stated that they had never observed a cap component. With STEM we have tested the end cap hypothesis by direct mass measurements across the end-views of unstained particles.

Human pilot dynamic response in flight and simulator.

1958 ◽  
Author(s):  
Edward Seckel ◽  
Ian A. M. Hall ◽  
Duane T. McRuer ◽  
David H. Weir
Keyword(s):  
Dynamic Response
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