Results 21 to 30 of about 31,179 (258)
A Modeling approach for analysis and improvement of spindle-holder-tool assembly dynamics [PDF]
, 2006 The most important information required for chatter stability analysis is the dynamics of the involved structures, i.e. the frequency response functions (FRFs) which are usually determined experimentally.
A. Ertürk +14 more
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Shock and Vibration, 2007 This paper presents finite element formulations for an elastic Timoshenko beam subjected to moving concentrated forces. The results obtained by the present method are compared with those obtained by the assumed mode method published in the existing ...
Ping Lou, Gong-lian Dai, Qing-yuan Zeng
doaj +1 more source
Elastic instability and free vibration analyses of axially functionally graded Timoshenko beams with variable cross-section [PDF]
Journal of Structural and Construction Engineering, 2020 In this paper, the critical buckling loads and natural frequencies of axially functionally graded non-prismatic Timoshenko beam with different boundary conditions are acquired using the Finite Difference Method (FDM).
Masoumeh Soltani +2 more
doaj +1 more source
Vibration of Piezoelectric Nanowires Including Surface Effects [PDF]
Journal of Nanostructures, 2014 In this paper, surface and piezoelectric effects on the vibration behavior of nanowires (NWs) are investigated by using a Timoshenko beam model. The electric field equations and the governing equations of motion for the piezoelectric NWs are derived with
R. Ansari +3 more
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Shock and Vibration, 2014 This paper presents formulations for a Timoshenko beam subjected to an accelerating mass using spectral element method in time domain (TSEM). Vertical displacement and bending rotation of the beam were interpolated by Lagrange polynomials supported on ...
Guangsong Chen, Linfang Qian, Qiang Yin
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Timoshenko Beam Effects in Lateral-mode Microcantilever-based Sensors in Liquids [PDF]
, 2013 Recent experimental and analytical research has shown that higher in-fluid quality factors (Q) are achieved by actuating microcantilevers in the lateral flexural mode, especially for microcantilevers having larger width-to-length ratios.
Beardslee, Luke A. +6 more
core +5 more sources
Materials Research Express, 2020 The present paper addresses developing the Dynamic Stiffness Method (DSM) for natural frequency analysis of functionally graded beam with piezoelectric patch based on the Timoshenko beam theory and power law of material grading.
Nguyen Tien Khiem +2 more
doaj +1 more source
Finite Element Modeling for Buckling Analysis of Tapered Axially Functionally Graded Timoshenko Beam on Elastic Foundation [PDF]
Mechanics of Advanced Composite Structures, 2020 In this study, an efficient finite element model with two degrees of freedom per node is developed for buckling analysis of axially functionally graded (AFG) tapered Timoshenko beams resting on Winkler elastic foundation.
Masoumeh Soltani
doaj +1 more source
Consistency aspects of out-of-plane bending, torsion and shear in a quadratic curved beam element [PDF]
, 1990 Curved beams in civil engineering applications call for out-of-plane bending and torsion under the action of13; out-of-plane transverse shear loads. The design of a quadratic displacement curved beam element capable of13; representing shear deformation ...
Naganarayana, BP, Prathap, Gangan
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Modified beam theories for bending properties of nanowires considering surface/intrinsic effects and axial extension effect [PDF]
, 2012 Several studies of the surface effect on bending properties of a nanowire (NW) have been conducted. However, these analyses are mainly based on theoretical predictions, and there is seldom integration study in combination between theoretical predictions ...
Gu, YuanTong, Zhan, Haifei
core +2 more sources