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Relevant bibliographies by topics / Dynamic stiffne

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Journal articles

Academic literature on the topic 'Dynamic stiffne'

Author: Grafiati

Published: 1 April 2023

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Journal articles on the topic "Dynamic stiffne"

1

Bakshi, S., A. Sarkar, and S. Chakraborty. "Dynamic Response Control of Stiffened Plate with Hole in Stiffener: A Novel Concept of Additional Open Branched Stiffeners." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (2022): 1033–39. http://dx.doi.org/10.38208/acp.v1.617.

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Modern day structures have found diverse applications of stiffened plates in civil, mechanical, aerospace, marine and offshore engineering. The stiffeners, mainly in the form of beams in these stiffened plates are often exposed to unfavourable environmental and service loads, inducing localized damage to the stiffeners. Sometimes, holes are deliberately made on the stiffeners for passing service pipes, cables etc. Both of the events cause localised loss of stiffness, finally affecting the global dynamic performances. One of the practised techniques to recover the lost stiffness and to safeguar

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2

Yin, Xuewen, Wenwei Wu, Kuikui Zhong, and Hui Li. "Dynamic stiffness formulation for the vibrations of stiffened plate structures with consideration of in-plane deformation." Journal of Vibration and Control 24, no. 20 (2017): 4825–38. http://dx.doi.org/10.1177/1077546317735969.

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A dynamic stiffness method is presented for the vibrations of plate structures that are reinforced by eccentric stiffeners. The model incorporates both out-of-plane and in-plane deformations of the plates and the stiffeners. Based on the relationship between the forces and displacements along the common edges of the plate or beam elements, the dynamic stiffness formulae for the plate and the beam elements are derived, respectively. The globally assembled dynamic stiffness matrix is then obtained using the finite element method so that the dynamics of built-up stiffened plates can be readily ad

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3

SRIVASTAVA, A. K. L., P. K. DATTA, and A. H. SHEIKH. "VIBRATION AND DYNAMIC INSTABILITY OF STIFFENED PLATES SUBJECTED TO IN-PLANE HARMONIC EDGE LOADING." International Journal of Structural Stability and Dynamics 02, no. 02 (2002): 185–206. http://dx.doi.org/10.1142/s0219455402000518.

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The vibration and dynamic instability behavior of a stiffened plate subjected to uniform in-plane edge loading is studied using finite element analysis. The method of Hill's infinite determinants is applied to analyze the dynamic instability regions. Rectangular stiffened plates possessing different boundary conditions, aspect ratios, varying mass and stiffness properties and varying number of stiffeners have been analyzed for dynamic instability. The results are obtained considering the bending displacements of the plate and the stiffener. Eccentricity of the stiffeners give rise to axial and

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4

Le, Nam Bich, Cuong Manh Nguyen, and Thinh Ich Tran. "CONTINUOUS ELEMENT FORMULATIONS FOR COMPOSITE RING-STIFFENED CYLINDRICAL SHELLS." Vietnam Journal of Science and Technology 56, no. 4 (2018): 515. http://dx.doi.org/10.15625/2525-2518/56/4/10987.

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This research studies the free vibration of composite ring-stiffened cylindrical shells by the continuous element method (CEM). The dynamic stiffness matrix (DSM) of the investigated structure has been constructed based on the analytical solutions of the governing equations of motion for composite cylindrical shells and annular plates. By applying the powerful assembly procedure of continuous elements method, natural frequencies and harmonic responses of composite ring-stiffened cylindrical shells have been obtained. In addition, the proposed model allows extracting exactly ring-stiffener vibr

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5

Gupta, Mohit, and Massimo Ruzzene. "Dynamics of Quasiperiodic Beams." Crystals 10, no. 12 (2020): 1144. http://dx.doi.org/10.3390/cryst10121144.

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Quasiperiodic metastrucures are characterized by edge localized modes of topological nature, which can be of significant technological interest. We here investigate such topological modes for stiffened and sandwich beams, which can be employed as structural members with inherent vibration localization capabilities. Quasiperiodicity is achieved by altering the geometric properties and material properties of the beams. Specifically, in the stiffened beams, the geometric location of stiffeners is modulated to quasiperiodic patterns, while, in the sandwich beams, the core’s material properties are

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6

Li, Xue-Qin, Guang-Chen Bai, Lu-Kai Song, and Wei Zhang. "Nonlinear Vibration Analysis for Stiffened Cylindrical Shells Subjected to Electromagnetic Environment." Shock and Vibration 2021 (July 19, 2021): 1–26. http://dx.doi.org/10.1155/2021/9983459.

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The nonlinear vibration behaviors of stiffened cylindrical shells under electromagnetic excitations, transverse excitations, and in-plane excitations are studied for the first time in this paper. Given the first-order shear deformation theory and Hamilton principle, the nonlinear partial differential governing equations of motion are derived with considering the von Karman geometric nonlinearity. By employing the Galerkin discretization procedure, the partial differential equations are diverted to a set of coupled nonlinear ordinary differential equations of motion. Based on the case of 1 : 2

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7

Li, Xue-Qin, Wei Zhang, Xiao-Dong Yang, and Lu-Kai Song. "A Unified Approach of Free Vibration Analysis for Stiffened Cylindrical Shell with General Boundary Conditions." Mathematical Problems in Engineering 2019 (July 10, 2019): 1–14. http://dx.doi.org/10.1155/2019/4157930.

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A unified approach of free vibration analysis for stiffened cylindrical shell with general boundary conditions is presented in this paper. The vibration of stiffened cylindrical shell is modeled mathematically involving the first-order shear deformation shell theory. The improved Fourier series is selected as the admissible displacement function while the arbitrary boundary conditions are simulated by adjusting the equivalent spring stiffness. The natural frequencies and modal shapes of the stiffened shell are obtained by solving the dynamic model with the Rayleigh-Ritz procedure. Various nume

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8

Tounsi, D., J. B. Casimir, S. Abid, I. Tawfiq, and M. Haddar. "Dynamic stiffness formulation and response analysis of stiffened shells." Computers & Structures 132 (February 2014): 75–83. http://dx.doi.org/10.1016/j.compstruc.2013.11.003.

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9

Zhang, Jing, and Xing Hua Shi. "Dynamic Response of Stiffened Plate under Underwater Contact Explosions." Advanced Materials Research 255-260 (May 2011): 1665–70. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.1665.

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In order to study the dynamic responses of stiffened plate under underwater contact explosions, the FEM code LS-DYNA is used to discuss the problem, six different stiffened plates are included. The stiffened plate’s distortion, the size of crevasses in the numerical simulation are analyzed. The position where the maximum plastic strain appears, the effective stress and acceleration are also described. It is revealed that the deformation of stiffened plate is different with the position of the stiffener, but the stiffener can harmonize and reduce the deformation of plate, and the whole structur

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10

Hill, C. M., T. Kageyama, M. G. Conzemius, G. K. Smith, and F. M. Little. "Bending properties of stainless steel dynamic compression plates and limited contact dynamic compression plates." Veterinary and Comparative Orthopaedics and Traumatology 14, no. 02 (2001): 64–68. http://dx.doi.org/10.1055/s-0038-1632677.

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SummaryThe equivalent bending stiffness and bending strength of the stainless steel DCP and stainless steel LC-DCP were compared. Three plates, of each size, were tested destructively in ‘four point bending’. All of the LC-DCP were significantly less stiff and less strong than the comparable size DCP, with the exception of the 4.5 mm narrow LC-DCP which was significantly stronger and more stiff than the 4.5 mm narrow DCP (p <.01). The design advantages of the LC-DCP are ease and versatility of plate application and improved cortical blood flow which one assumes promotes fracture healing. Al

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