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Nonlinear dynamic response of beam and its application in nanomechanical resonator
Resonator Dynamic response Dynamic nonlinearity Dimensional analysis
2012/2/24
Nonlinear dynamic response of nanomechanical resonator is of very important characteristics in its application. Two categories of the tension-dominant and curvature-dominant nonlinearities are analyze...
Geometric nonlinear dynamic analysis of curved beams using curved beam element
Curved beam element Geometric nonlinear formulation Rigid-flexible coupling
2012/2/28
Instead of using the previous straight beam element to approximate the curved beam, in this paper, a curvilinear coordinate is employed to describe the deformations,and a new curved beam element is pr...
Nonlinear study of the dynamic behavior of a string-beam coupled system under combined excitation
1:1 internal resonance String-beam Multiple scales Chaotic response Stability
2012/2/28
In this paper, the nonlinear dynamic behavior of a string-beam coupled system subjected to external, parametric and tuned excitations is presented. The governing equations of motion are obtained for t...
On the limitations of linear beams for the problems of moving mass-beam interaction using a meshfree method
Nonlinear beam theory Moving mass-beam interaction Euler--Bernoulli beam theory Reproducing kernel particle method (RKPM) Galerkin method (GM)
2012/2/24
This paper deals with the capabilities of linear and nonlinear beam theories in predicting the dynamic response of an elastically supported thin beam traversed by a moving mass. To this end, the discr...
Finite element analysis of 2D SMA beam bending
Shape memory alloy SMA cantilever beam Thermomechanical Martensitic transformation Finite element
2012/2/29
A thermomechanical model of a shape memory alloy beam bending under tip force loading is implemented in finite element codes. The constitutive model is a one dimensional model which is based on free e...
Force–displacement characteristics of simply supported beam laminated with shape memory alloys
Shape memory alloy Laminated beam Bilinear hysteretic model Force–displacement characteristics Energy dissipation
2012/2/28
As a preliminary step in the nonlinear design of shape memory alloy (SMA) composite structures, the force-displacement characteristics of the SMA layer are studied. The bilinear hysteretic model is ad...
Large deflection of flexible tapered functionally graded beam
Large deflection Flexible tapered functionally graded beam Analytical solution Experimental results Adomian-polynomials
2012/2/29
In this paper the semi-analytical analyses of the flexible cantilever tapered functionally graded beam under combined inclined end loading and intermediate loading are studied. In order to derive the ...
Investigation of the energy characteristics in a layered beam-damper
computational modeling plastic deformation thermomechanical properties
2010/3/12
Coupled thermomechanical behaviour of inhomogeneous viscoplastic structures under cyclic loading is investigated for the problem of harmonic bending and dissipative heating of a three-layered beam. Tw...
Numerical analysis of the stress distribution in an electron beam welded worm wheel
¯ nite element method residual stresses worm wheel
2010/3/12
In this paper the ¯nite element method was used to determine various stress states in an electron beam welded worm wheel. These are the residual stresses due to the welding process, stress redist...