# research paper-finite element method 2014

IDENTIFICATION OF SHEAR CRACKS IN REINFORCED BEAMS USING FINITE ELEMENT METHOD (ANSYS).

ABSTRACT: Analytical determination of displacements and stresses in reinforced concrete material was difficult task and engineers had to rely on empirical formulas because concrete consists of heterogeneous material and creep and shrinkage influenced deformations in it.

Strong formulation finite element method for arbitrarily shaped laminated plates–Part I. Theoretical analysis

Abstract. This paper provides a new technique for solving the static analysis of arbitrarily shaped composite plates by using Strong Formulation Finite Element Method (SFEM). Several papers in literature by the authors have presented the proposed technique as an

Efficient modelling of pile foundations in the finite element method

Numerical solution of boundary value problems: Deformation (stress, strain) analysis (SLS) and ULS design Groundwater flow analysis (Geo)thermal analysis Thermo-Hydro-Mechanical couplingRealistic simulation of soil, structure,

Global Energy Minimization for Multi-crack Growth in Linear Elastic Fracture using the Extended Finite Element Method

In computational fracture mechanics as applied, for example, to damage tolerance assessment, it has been common practice to determine the onset of fracture growth and the growth direction by post-processing the solution of the linear elastostatics problem, at a

The Strong Formulation Finite Element Method Applied to Structural Mechanics Problems

The Strong Formulation Finite Element Method (SFEM) is a numerical approach that can be used for solving civil, environmental, mechanical, aerospace and naval engineering problems. Generally, practical engineering problems are complex due to geometry,

A stabilized Arbitrary Lagrangian Eulerian Finite Element Method for the mixed wave equation with application to diphthong production

O. Guasch1*, R. Codina2, M. Arnela1 and H. Espinoza2 1 GTM Grup de recerca en Tecnologies Media, La Salle, Universitat Ramon Llull, C/Quatre Camins 2, E-08022 Barcelona, oguasch@ salleurl. edu, marnela@ salleurl. edu 2 Universitat Politecnica de

ESTIMATION OF HEAD IMPACT POWER ON SEPAK TAKRAW PLAYERS USING FINITE ELEMENT METHOD

METHODS: Data collection of this study was conducted and recorded at the KFC-Utusan Sepak Takraw 2011 in Kuala Lumpur. From the recordings, the takraw ball speeds before and after headings particularly at the front-forehead from services in the games were

Application of Discontinuous Galerkin Finite Element Method for Discontinuities in Small Deformation Regimes

In this paper, finite element formulation is defined in the frame work of discontinuous Galerkin method. Discontinuous Galerkin methods (dGm) are classically used in fluid mechanics, however recently their application in solid mechanics has become more vivid

A Finite Element Method for the Boundary Data Recovery in an Oxygen-Balance Dispersion Model

Abstract The inverse problem under investigation consists of the boundary data completion in a deoxygenation-reaeration model in stream-waters. The unidimensional transport model we deal with is based on the one introduced by Streeter and Phelps, augmented by Taylor

Application of the Finite Difference Method and the Finite Element Method to Solve a Thermal Problem

Solving a physical problem through computational modelling requires 4 critical steps: to define the problem in terms of a set number of variables for which we want to obtain values, as well as the boundary and initial conditions, if applicable. This step was already done in

Strong formulation finite element method based on differential quadrature: a survey

It is a very well-known fact that computing machines are in ever growing advancement. This is due to the fact that new numerical solutions are developed for several classes of engineering problems that increase simultaneously with the complexity of the engineering

Discontinuous Galerkin method in time combined with a stabilized finite element method in space for linear first-order PDEs

Abstract We analyze the discontinuous Galerkin method in time combined with a finite element method with symmetric stabilization in space to approximate evolution problems with a linear, first-order differential operator. A unified analysis is presented for space

Strong formulation finite element method for arbitrarily shaped laminated plates–Part II. Numerical analysis

Abstract. The results of a series of numerical experiments are presented to verify some of the important developments made in the first part of this paper. Firstly, the static solution of an algebraic system obtained through Strong Formulation Finite Element Method (SFEM) is The main purpose of this monograph is to provide a simple and accessible introduction to the mixed finite element method as a fundamental tool to numerically solve a wide class of boundary value problems arising in physics and engineering sciences. The book is based

Parallel simulations of soft-tissue using an adaptive quadtree/octree implicit boundary finite element method

1 University of Luxembourg, Campus Kirchberg, Luxembourg, jack. hale@ uni. lu 2 Cardiff University, Cardiff, Wales, UK, kerfridenp@ cardiff. ac. uk 3 Universidad Politécnica de Valencia, Spain, agestrada@ gmail. com 4 University of Luxembourg, Campus Kirchberg,

Formulation and analysis of a parameter-free stabilized finite element method

Abstract. We present a stabilized finite element method for the scalar advection-diffusion equation, which does not require tunable mesh-dependent parameters. Stabilization is achieved by using diffusive fluxes extracted from an edge element lifting of Scharfetter-

Chloride diffusion study in different types of concrete using finite element method (FEM)

Abstract. Corrosion in RCC structures is one of the most important factors that affects the structure s durability and subsequently causes reduction of serviceability. The most severe cause of this corrosion is chloride attack. Hence, to prevent this to happen proper

Prediction Model of Rolling Force for Electrical Steel Based on Finite Element Method and Neural Network1

Abstract. The rolling force prediction model for electrical steel in hot rolling was established. A 3D elastic-plastic finite element model of roll and strip was established by MSC. Marc software package. The influence of strip thickness, rolling temperature, strip width, friction

Heat transfer and Thermal Stress Analysis in Internal Grooved tube in comparison with bare tube by Finite element method

Abstract The heat exchanger is a device used for the process of heat exchange between two the fluids at different temperatures. The heat exchange process in heat exchangers can be described by the principles of conduction, convection, radiation and evaporation or

STUDIES OF THE MATERIAL PROPERTIES OF NUCLEAR GRAPHITE USING THE RANDOM FINITE ELEMENT METHOD

The Random Finite Element Method (RFEM) has been adapted to determine the effect of the spatial variability of material properties in an Advanced Gas-cooled Reactor brick. The RFEM process can be summarized as follows:(1) Generate a set of random fields;(2)

Computed Basis Functions and the Nonconforming Voxel Finite-Element Method

(NVFEM) is an alternative to conventional mesh generation that uses purely rectangular elements. Its main drawback is the need to approximate boundaries that would otherwise pass through the interior of the elements. By using computed basis functions, boundaries

Research on band structure of one-dimensional phononic crystals based on wavelet finite element method

Abstract: A wavelet finite element method (WFEM) is developed to analyze the dispersion relation for one-dimensional phononic crystals (1DPCs). In order to calculate the band gaps (BGs) of 1DPCs, the wavelet finite element model is constructed using a slender beam

Error estimates for a two-dimensional special finite element method based on component mode synthesis

Abstract. This paper presents a priori error estimates for a special finite element discretization based on component mode synthesis. The basis functions exploit an orthogonal decomposition of the trial subspace to minimize the energy and are expressed

A Comparison of the Transfer Matrix Method and the Finite Element Method for the Calculation of the Transmission Loss in a Single Expansion Chamber Muffler

A muffler is a device which is commonly used in an exhaust system to provide a certain level of acoustic performance by reducing the amount of noise (unwanted sound) generated by an upstream source, such as a combustion engine. Sound pressure originating from the

INVESTIGATION OF STRESSES DEVELOPED IN NATURAL AND IMPLANTED HUMAN CERVICAL SPINE BY FINITE ELEMENT METHOD

Abstract: Background: For design of suitable spinal implants, computational investigation of stresses developed within spine as a result of implantation is very important. Hence, the present study has been carried out for computation of stresses developed within Cervical

Finite Element Method for Dynamic Response in Enclosed Gear-Driven System

Abstract: The theoretical solving of dynamic analysis on the enclosed gear-driven system is complicated, and only the surface vibration data can be tested in the experiment. In view of this, 3D modeling is carried out on a given secondary planet reducer to create a finite

A computational approach based on the integration of the equivalent-eigenstrain concept with the eXtended Finite Element Method for general-shaped inclusions

Tempering and firing practices decrease the strength of ceramic materials such as those used for traditional pottery, due to thermal expansion mismatch between temper particles and ceramic matrix . We study stress concentration around sharp temper inclusions

Compositional Flow Modeling Using a Multi-point Flux Mixed Finite Element Method

Abstract We present a general compositional formulation using multi-point flux mixed finite element (MFMFE) method on general hexahedral grids. The mixed finite element framework allows for local mass conservation, accurate flux approximation and a more general

Piezoelectric Vibrations Energy Harvesters Power Optimization Using the Finite Element Method

Abstract: This paper presents a computational model using the finite element (FE) method to simulate piezoelectric vibrations energy harvesters for power optimization in the context of small size applications. A version of the simulated annealing algorithm is used to optimize

A higher-order finite element method for partial differential equations on surfaces

Abstract. A new higher order finite element method for elliptic partial differential equations on a stationary smooth surface G is introduced and analyzed. We assume G is characterized as the zero level of a level set function f and only a finite element approximation fh (of

Investigation of the behavior of stiffened steel plate shear walls with Finite element method

ABSTRACT: Steel plate shear walls have been used in reinforced and unreinforced which is new resistant system against lateral loads of wind and earthquake. In recent decade, this system has been considered by researcher. According to the optimal performance of this

Simulation of Cyclic Stress-Strain Behavior of S960 at Weld Toe by means of Finite Element Method

Abstract The cyclic stress-strain response of S960 at the toe of filletwelded joint has been simulated by means of finite element method in order to gathering the needed data for fatigue life prediction process. The Femap software (Version 11.0. 0) with NX Nastran 8.5

A Corotational Finite Element Method for Example-based Deformation

Abstract: We present a framework for example-based deformation of three dimension elastic solid by using finite element method with corotational technology. By using the linear Cauchy strain and rotation compensation, the nonlinear optimization on example-based

Application of nodal discontinuous Galerkin finite element method for 2D nonlinear elastic wave propagation

In order to solve the elastic wave equation in heterogeneous media with arbitrary high order accuracy in space on unstructured meshes, a nodal Discontinuous Galerkin Finite Element Method (DG-FEM) is presented, which combines the geometrical flexibility of the Finite

An augmented mixed–primal finite element method for a coupled flow–transport problem

Abstract In this paper we analyze the coupling of a scalar nonlinear convection-diffusion problem with the Stokes equations where the viscosity depends on the distribution of the solution to the tranport problem. An augmented variational approach for the fluid flow

Blended finite element method and its convergence for three-dimensional image reconstruction using \$ L^ 2\$-gradient flow

Abstract. The gradient-flow-based explicit and semi-implicit finite element methods proposed in our earlier papers have been applied to solve various variational models for image reconstruction in cryo-electron microscopy and X-ray computed tomography, respectively.

The finite-element method in quantum chemistry

Possible outline of a black-box FE calculation 1 Specify a coarse grid (could be auto- generated) 2 Specify a region of interest 3 Run calculation 4 Identify regions of largest a

Finite Element Method Analysis of Hydrodynamic Journal Bearing

ABSTRACT The analysis and design of hydrodynamic journal bearings has a great attention to the engineers. Emphasis has been given to design those bearings so as to avoid metal-to- metal contact. To design these elements, few important characteristics, like load-carrying

Modeling a Halfspace with Tunnel using a Coupled Integral Transform Method-Finite Element Method Approach

Moving loads in an underground tunnel lead to oscillations inside the soil which can cause annoyances or health problems for humans. Moreover, sensitive machines can be disturbed by these oscillations. Due to urbanization and permanent advancements in machine

Computer simulations on vibration control of a flexible single-link manipulator using finite-element method

Abstract: The purposes of this research are to formulate the equation of motion of the system, to develop the computational codes by a finite-element method in order to perform dynamics simulations with vibration control and to propose an effective control scheme of a flexible

NONLINEARITY IN THE ANALYSIS OF REINFORCED CONCRETE COLUMNS OF RECTAN-GULAR SECTION BY FINITE ELEMENT METHOD

The superelement of a column of rectangular section made of homogeneous material and intended for linear analysis, developed by authors earlier on the basis of the three- dimensional theory of elasticity, is updated with reference to static analysis of reinforced

Failure analysis of Steel Wheel by using finite Element Method

Abstract: To improve the quality of steel wheels, an analysis for evaluating the fatigue life of wheels is proposed in this paper. The ANSSYS 13.1 software is used to build the static load finite element model of steel wheels for simulating. There is two type of material used

A convergent adaptive stochastic Galerkin finite element method with quasi-optimal spatial meshes

Abstract. We analyze a-posteriori error estimation and adaptive refinement algorithms for stochastic Galerkin Finite Element methods for countablyparametric, elliptic boundary value problems. A residual error estimator which separates the effects of gpc-Galerkin

A Nitsche finite element method for dynamic contact: 2. Stability of the schemes and numerical experiments

Abstract In a previous paper , we adapted Nitsche's method for the approximation of the linear elastodynamic unilateral contact problem. The space semi-discrete problem was analyzed and some schemes (-scheme, Newmark and a new hybrid scheme) were

A posteriori error analysis of a fullymixed finite element method for a two-dimensional fluid-solid interaction problem

Abstract In this paper we develop an a posteriori error analysis of a fully-mixed finite element method for a fluid-solid interaction problem in 2D. The media are governed by the elastodynamic and acoustic equations in time-harmonic regime, respectively, the

Advances in Finite Element Method 2014

To date, the finite element method (FEM) is still a prominent technique for most numerical analyses and simulations in science and engineering. Numerous research activities related to the FEM are still actively pursued worldwide. In order to solve various complicated

Orthotropic Seepage Analysis using Hybrid Finite Element Method

Abstract A solution procedure using the hybrid finite element method is presented for two- dimensional steady-state linear seepage analysis of orthotropic dams. In the present algorithm, fundamental solutions for orthotropic seepage problems are employed to

Determination of Technological Parameters of Vibratory Stress Relief for Radial Steel Gate Structure Based on Finite Element Method

Page 1. Determination of technological parameters of vibratory stress relief for radial steel gate structure based on finite element method Jianke Fu 1,aJun Jin 1,bXing Zhou 1,c 1College of Mechanical Materials Engineering, China Three Gorges University

THE APPLICATION OF THE FINITE ELEMENT METHOD FOR THE LOW-CYCLE FATIGUE CALCULATION OF THE ELEMENTS OF THE PIPELINES'FIXED

The present article studies the order of performing low-cycle fatigue strength calculation of the elements of the full-scale specimen construction of the fixed support DN 1000 of the above-ground oil pipeline Zapolyarye Purpe during rig-testing. The calculation is METHODS: In this paper, based on the three-dimensional finite element method, the local thermal stress intensity factor is computed using ANSYS software. The weight function method is also used to determine closed-form stress intensity factors at the deepest point

Space-time Finite Element Method for the Magma-rock Interaction Problem

Abstract We present a decoupled solution approach for fluid-solid interaction problem. The aim is to develop a space-time Galerkin least square finite element method for magma-rock interaction problem. Magma is treated as a multi component, multiphase, compressible-

The finite element method (FEM) forms an important branch of computational mechanics and applied mathematics, and it has been broadly adopted in scientific research and engineering applications. Despite the significant development in FEM over the past few

A Nitsche finite element method for dynamic contact. 1. Semi-discrete problem analysis and time-marching schemes

Abstract This paper presents a new approximation of elastodynamic frictionless contact problems based both on the finite element method and on an adaptation of Nitsche's method which was initially designed for Dirichlet's condition. A main interesting characteristic is

High accuracy analysis of anisotropic finite element method for a class of nonlinear degenerate wave equation.

ABSTRACT The convergence analysis of the bilinear finite element method to a class of non- linear degenerate wave equation on anisotropic meshes is considered in this paper. Moreover, the global superconvergence for semidiscrete scheme is proposed through

Educational examples in Structural Acoustics using the Finite Element Method

This thesis is submitted in partial fulfilment of the requirements for a Greek Bachelor's Degree in music technology and acoustics. It contains work done from April 2012 to June 2014, under the supervision of Dr. Spyros Kouzoupis. The work presented in this thesis

Time-Transient Nonlinear Modeling of Electromagnetic Systems Using Quadratic Finite Element Method

Abstract:Behavior of ferromagnetic materials is considered as an important issue in magnetic studies. A prevalent method for modeling is finite element method (FEM). While modeling a material by FEM with linear elements, we might face with some problems like Organization This textbook is well-organized, with the first seven chap- ters focusing on the mathematical basis of the method, and the remaining seven chapters being more concerned with the method's application to various types of problems of the continua. For instance, in Chapter 6, the

Trend analysis using non-stationary time series clustering based on the finite element method

Abstract. In order to analyze low-frequency variability of climate, it is useful to model the climatic time series with multiple linear trends and locate the times of significant changes. In this paper, we have used non-stationary time series clustering to find change points in the

Prediction of Damage Formation in Total Hip Arthroplasty using Finite Element Method

Total hip arthroplasty (THA) patients sometimes encounter periprosthetic fractures. Sudden and high impact loading during certain activities may contribute to the incident such as sideway falls and bending. In this study, damage formation in femoral bone with a hip

Acceleration of the Finite Element Method Using Hybrid OpenMP-CUDA

Abstract:Graphics processing units (GPUs) are efficient in accelerating algorithms that are highly parallelizable. This paper discusses various aspects of parallelizing the traditional finite element algorithm, whose communication-intensive nature makes it difficult to be

Analysis of Crack in Structures Using Finite Element Method

Cracks are a potential source of catastrophic failure in mechanical machines, civil structures and aerospace engineering. It is required that structures must in safety work during its service life, but damages instigate an earlier breakdown period on the structures.

Numerical Analysis of Transient Wave Propagation in Nonlinear One-Dimensional Waveguides by using the Spectral Finite Element Method

ABSTRACT In this paper, transient wave propagation in nonlinear one-dimensional (1D) waveguides is studied. A complete nonlinear 1D model accounting for both axial and transverse displacements is developed and geometric and material nonlinearities are

Finite Element Method for Computational Fluid Dynamics–SUPG and Stabilized FEM

The standard Galerkin-based FEM applicable for viscous flows only. Similarly to the Finite Difference Methods (FDM), upwind schemes are needed for convection-dominated flows. In the FEM context, upwinding is handled by using different test functions and basis functions

A Hybrid Spectral Integral-Finite Element Method for Layered Media Including Graphene-like Atomically Thin Layered Materials

Abstract:Layered medium Green's functions (LMGFs) are calculated for a multilayered medium including graphene-like atomically thin layered materials. A spectral integral method (SIM) implemented with LMGFs is used as an exact radiation boundary condition

Complex Stress Field of LPG Tank under Fire Based on Sobolev Orthogonal Wavelet Finite Element Method

Abstract. In order to analyze the complex stress field of LPG tank under fire, the application of Sobolev orthogonal wavelet finite element method on it is studied in depth. First, Sobolev wavelet basis function is established, the B-spline wavelet function with the property of

An incomplete discontinuous Galerkin finite element method for second order elliptic problem

Abstract In this paper, we propose an incomplete discontinuous Galerkin (iDG) finite element method for solving second linear elliptic equations, This method, called iDG-FEM, is designed by choosing an incomplete discontinuous finite element space in place of the

Column slenderness computation and evaluation using finite element method and commercial software

ABSTRACT In this study slender column was analyzed and evaluated using the Finite Element Method (FEM) modeling software ETABS and well-known commercial software PCACOL. First the slender column design methods described in ACI code were reviewed

USING FINITE ELEMENT METHOD IN THE PROCESS OF STRENGTH CALCULATION FOR THE PIPELINE SUPPORTS IN ABOVE-GROUND AREA OF

The present article studies a procedure of calculating the strength of pipeline support constructions of the above-ground oil trunk pipeline system «Zapolyar'e oil pumping station «Pur-pe». The calculations of the supports stress-strain state are performed with

Groundwater Quality Modelling using Coupled Galerkin Finite Element and Modified Method of Characteristics Models

1989) presented a comprehensive numerical model for solute transport simulation in groundwater flow system by combining modified method of characteristics for solution of advection-dispersion equation with finite element method for the solution of groundwater flow equation.

Growth Analysis and Numerical Simulation of Cu_3BiS_3 Absorbing Layer Solar Cell through the wxAMPS and Finite Element Method

The properties and efficiency of heteroepitaxial semiconductor thin films depend upon states of stress and defects in the film structure. Recent years, it has carried out an extensive work as for characterization of thin films, with special emphasis on the nucleation and the

A Novel Finite Element Method Based Beam Propagation Method without Using Slow Varying Envelope Approximation

A novel finite element method (FEM) based wide-angle (WA) beam propagation method (BPM) was presented whereby the scalar Helmholtz equation was solved without using the slow varying envelope approximation (SVEA) and was more general and precise than the

Computational Analysis of 3-Dimensional Transient Heat Conduction in the Stator of an Induction Motor during Reactor Starting using Finite Element Method

Abstract:In developing electric motors in general and induction motors in particular temperature limit is a key factor affecting the efficiency of the overall design. Since conventional loading of induction motors is often expensive, the estimation of temperature

Deformation Behaviour Analysis Of Car Wheel Rim Under Different Loading Using Finite Element Method

ABSTRACT An analysis was conducted to study the deformation behaviour of the car wheel rim when subjected to different loading. This design analysis was performed using SolidWorks and CATIA software. Steel and Alloy are the two types of car wheel rim

Error analysis of a mixed finite element method for the Monge–Ampère equation

Abstract. We analyze the convergence of a mixed finite element method for the elliptic Monge-Ampere equation in dimensions 2 and 3. The unknowns in the formulation, the scalar variable and a discrete Hessian, are approximated by Lagrange finite element

The Effectiveness of Using the Transfer Matrix Method to Calculate the Transmission Loss of a Finite Element Single Expansion Chamber Muffler Model

in f Frequency Hz FEM Finite Element Method- j Imaginary Number- k Wavenumber in1 diameters was analyzed using the transfer matrix method (TMM) in MATLAB and finite element method (FEM) in COMSOL Multiphysics to determine the muffler transmission loss.

Solution to a Diffusion problem by Finite Element Classic Method

Ritz Method. Variational Method. Least.Squares Method. Galerkin Method. Finite Difference Method. Finite Element Method. Finite Volume Method. Bibliography Mark S. Gockenbach. Understanding and Implementing the Finite Element Method. SIAM (2006).

Finite Element Method for Computational Fluid Dynamics–Basics of FEM

We begin with the steady-state 1D heat transfer problem. The domain is now simply an interval (0, c). Later on we also consider the transient heat equation in a domain (0, c)×(0, t),

A COMPARATIVE STUDY OF SLOPE STABILITY ANALYSIS USING TRADITIONAL LIMIT EQUILIBRIUM METHOD AND FINITE ELEMENT METHOD

ABSTRACT Traditional limit-equilibrium techniques are the most commonly-used analysis methods for slope stability problems. Recently, finite element method has emerged as an efficient and viable tool for analyzing various geotechnical problems. The Strength

The stable extrinsic eXtend Finite Element Method for second order Elliptic equation with interfaces

ABSTRACT In this paper, a stable extrinsic extend finite element method (SXFEM) is proposed to solve the second order elliptic equation with discontinuous coefficients and interfaces. SXFEM is designed by the stable enrichment function and stress intensity

Research using finite element method of biomechanical behaviours of human femur model under the different loads

In this study, analysed using finite element method (FEM) of biomechanical behaviours of human femur model under the different loads. Geomagic and Soldiworks program were used for 3D model human of femur model, and Ansysworkbench was used for finite

A PRIORI L2 ERROR ANALYSIS FOR AN EXPANDED MIXED FINITE ELEMENT METHODFOR QUASILINEAR PSEUDO-PARABOLIC EQUATIONS

Abstract. Based on an expanded mixed finite element method, we consider the semidiscrete approximations of the solution u of the quasilinear pseudo-parabolic equation defined on Rd, 1= d= 3. We construct the semidiscrete approximations of u and a (u) u+ b ( The relative permeability and electrical conductivity of the pan material, both of which vary with temperature, play an important role in thermal power of induction cooker system. A series of finite element models, including a variable relative permeability electromagnetic

Numerical research methodology of free oscillations of geometrically nonlinear shell using the mixed finite element method

1Urban, road construction and structural mechanic department, South-West State University (SWSU), 305040, Kursk, Russia 2 Urban, road construction and structural mechanic department, South-West State University (SWSU), 305040, Kursk, Russia

Stochastic Finite Element Method Reliability Analysis of the Corrugated I-beam Girder

Abstract: The main issue in this paper is to present stochastic analysis of the steel plate girder with the corrugated web subjected to Gaussian random fluctuations in its web thickness. Such an analysis is carried out using the Stochastic Finite Element Method

Free Vibration Analysis of Moderately Thick Functionally Graded Plates with Multiple Circular and Square Cutouts Using Finite Element Method

ABSTRACT A simple formulation for studying the free vibration of shear-deformable functionally graded plates of different shapes with different cutouts using the finite element method is presented. The aim is to fill the void in the available literature with respect to the

Modeling and Estimating the Effective Elastic Properties of Carbon Nanotube Reinforced Composites by Finite Element Method

Abstract Carbon nanotubes (CNTs) possess extremely high stiffness, strength and resilience, and may provide the ultimate reinforcing material for the development of nanocomposites. Evaluating the effective elastic properties of such nanoscale materials is

Development of a Software for Analysis of Two Dimensional Nonlinear Elastic Problems UsingFinite Element Method

ABSTRACT Present analytical theories involves determination of true stress and true strain values by the measurement of c/s area and the loads at that c/s areas. By knowing these values the stresses are determined and the true strains by knowing change in

Natural Frequency Sensitivity Analysis of a Road Model Based on the Finite Element Method

Abstract The vibration caused by moving loads gradually destroys the road, negatively affecting the performance of the road structure. Therefore, a study on the natural frequency of a road structure is necessary for a dynamic analysis of the road. In this study, the natural

IRON GARNET FILLED PVDF-POLYMER COMPOSITE AT MICROWAVE FREQUENCIES USING FINITE ELEMENT METHOD (FEM) AND NICHOLSON–ROSS

The application of nanocomposites in microwave and electronic devices requires the exact knowledge of all parameters of a single wave carrier signal. Determination of reflection and transmission coefficients (S-Parameters) of garnet ferrites loaded polymer

Numerical Analysis Using Finite Element Method On Phosphorescent Organic Light Emitting Diodes

Abstract:In this paper, we report our numerical simulation on the electronic-optical properties of the phosphorescent organic light emitting diodes (PHOLEDs) devices. In order to calculate the electrical and optical characteristics such as the transport behavior of

Vibration Analysis Of Beam Subjected To Moving Loads Using Finite Element Method

Abstract:-It was purposed to understand the dynamic response of beam which are subjected to moving point loads. The finite element method and numerical time integration method (Newmark method) are employed in the vibration analysis. The effect of the speed of the

Craniofacial Tissue Simulation Using Contact Analysis Of The Finite Element Method

ABSTRACT A corrective surgery known as the craniofacial surgery is important for the improvement of a patient's appearance and in some cases a patient's physical abilities in terms of speech. The postoperative soft tissues prediction is often a hit considering the In this paper, an ABC transient model of the three-phase induction motor is developed that depends on self and mutual inductance calculations based on accurate finite element analysis (FEA). This model can represent both healthy and faulty motor conditions. The

Finite Element Method for Static Problems of Cubic Quasicrystals

In this paper, a finite element algorithm for static problems of cubic quasicrystals is derived from the variation of a kind of general potential function for QCs. A quasicrystal column containing a penny-shaped crack is investigated to verify the validity of the numerical

Research on Ductility Coefficient of Square-shaped Concrete-filled Steel Tubular Columns Based on Finite Element Method

Abstract: Ductility coefficient is not only an important parameter to assess the ductility performance of components, but also an index to estimate the aseismic behavior of columns. The ductility coefficient is mainly affected by some factors, such as slenderness ratio, axial

### FEM ANALYSIS FOR SHAFT

Cracked shaft detection and diagnostics: a literature review

Mohiuddin and Khulief (2002) present yet another FEM-based crack detection scheme. They analyze the four possible cases: (i) uncracked symmetrical shaft; (ii) cracked symmet axi-harmonic, eight-node elements available in com- mercial finite element analysis (FEA) software

Crack depth analysis of a rotating shaft by vibration measurement

t » V01 A 30- measured FEM/TGrabowski moshenko beam (1980) <=3 LJJ 600 550 After adapting the finite element structure to the geometry of the crack as found by experiments, the global stiffness of the region can be transferred to a conventional analysis for the

Fundamentals of machine component design

Equivalent Column Stresses, 216 5.15 Other Types of Buckling, 216 5.16 Finite Element Analysis, 218 Geometry and Nomenclature, 666 16.11 Worm Gear Force and Efficiency Analysis, 668 16.12 Related Parts, 688 17.1 Introduction, 688 17.2 Provision for Shaft Bearings, 689

Dynamic analysis of geared rotor-bearing systems by the transfer matrix method

The transfer matrix method and the finite element method have been used extensively for analyses of rotor Gu 14 proposed an improved transfer matrix-direct inte- gration method for rotor dynamics analysis with shaft elements modeled as Timoshenko beams. Lee et al.

Latest technical trends regarding hub unit bearings

Specifically regarding hub unit bearing analysis, Koyo uses noise and strength/stiffness analyses to reduce 4 shows a comparison between FEM analysis of moment stiffness and experimental results In this analysis, the stiffness of the knuckle (including outer ring) and hub shaft

Gearbox reliability collaborative analysis round robin

The more comprehensive analysis used the finite element analysis of the shaft to predict the torsional and Most of the analysis used FEA to account for the deflections generated at the planet For instance, some analyses modeled the planet carrier pin interactions by the use of

Improvement of simulation technology for analysis of hub units bearings

With computers having higher performance, it is now possible to analyze larger size models. with remarkably higher accuracy than that used at the initial introduction of FEM. Application software used for the analysis also has been tremendously advanced, thus allowing current

Stability analysis of high speed lab centrifuges considering internal damping in rotor-shaftjoints

Stability analysis of high speed lab centrifuges considering internal Figure 4 shows the FEM-simulation model of the centrifuge. Prior to examine the implementation of viscous internal damping in the simulation of high speed centrifuges, we first analyze a Jeffcott Rotor with

Numerical analysis of piled rafts

The FEM approach to build up the stiffness matrix of the raft has been briefly described in raft of finite stiffness supported by an elastic half-space, using a refined finite element analysis for the than the limiting value of 80 kPa assumed by the author; (b) the analysis by NAPRA is

Blade and shaft crack detection using torsional vibration measurements Part 1: Feasibility studies

It was determined by experimentation and finite element dynamic analysis that this was the fundamental torsional mode of the rotor system. To further facilitate the understanding of the coupling phenomenon, a beam finite element model (FEM) of the rotor was developed

Dynamic modeling of direct drive axial flux PMLOM using FEM analysis

analytically and the results are validated extensively by comparison with finite element analyses. For the FEM modeling calculations, material linearity of the NdFeB permanent Motor Advanced Embedded power electronics controllers and finite element analysis of special

Introduction to finite elements in engineering

Press Fit on a Rigid Shaft, 257 Press Fit on an Elastic Shaft, 258 Belleville Previous Finite Element Programs and a Program for Determining Critical Speeds of Shafts 432 11.6 This will enable the users to solve finite element analysis problems using web browsers such as IE They presented the FEM model using Rayleigh beam theory for the rotor-bearing system which consists of Cracked Section Flexibility Matrix Consider a finite element of a rotor-bearing system with a slant crack (see The crack is assumed to remain open for eigenvalue analysis.

Failure reasons investigations of dumping conveyor breakdown

Table 1. Maximum Huber-Mises stresses in analyzed halfshaft end The FEM analyses of the caterpillar unit showed that the main cause of the breakdown was the way  RD Cook, DS Malkus, ME Plesha, RJ Witt Concepts and Applications of Finite Element Analysis, 4th Edition

Dynamic analysis of a rotary hollow shaft with hot-fit part using contact elements with friction

20. Ezawa, Y. and Okamoto, N., ''Development of contact stress analysis programs using the hybrid method of FEM and BEM 21. Asante, JN, ''A combined contact elasticity and finite element-based model for contact load and pressure distribution calculation in a frictional

A detailed comparison of experimental and theoretical stress-analyses of a human femur

ses have been reported using Culmann 's traj ectorial diagram (11], beam theory [eg 12,13, 14,15], two-dimensional Finite Element Methods (FEM) [eg 16,14,17, , who roughly compared results of 2-D FEM analyses, beam analysis and experimental stress-coat

A constitutive model for the consolidation of WIPP crushed salt and its use in analyses of backfilled shaft and drift configurations