finite element analysis of resistance spot welding process

... are first conducted to verify the finite element analysis of melting and solidification. Results of finite element analysis are compared with exact solutions of solidification and melting problems ... total of 1200 elements are used in the mesh. Mesh tests are conducted by increasing the number of elements until the calculation result is independent of the mesh density. 2.1 Thermal Analysis. ... University, West Lafayette, IN 47907-1288 Finite Element Analysis of Pulsed Laser Bending: The Effect of Melting and Solidification This work developes a finite element model to compute thermal and...

Ngày tải lên: 06/05/2014, 08:55

... Figure 5. 1 Finite Element Analysis of Structural Steelwork Beam to Column Bolted Connections Jim Butterworth Constructional Research Unit, School of Science & Technology, University of Teesside, ... Column flange bending Table 2 - Full Scale Test Results Finite Element Model MYSTRO and LUSAS FEA software was used for the finite element analysis. The FEA models were created using command files ... modelled. Figure 6 - FEA Elements Element Types At the beginning of the research a number of trial models were created. Models with fewer elements as well as models with only shell elements were tried...

Ngày tải lên: 04/06/2014, 13:20

... Fig. 5. Finite element idealisation of axisymmetric problem, mesh AM1 Fig. 6. Finite element idealisation of axisymmetric problem, mesh AM2 x 100mm 200mm y p Fig. 7. Finite element ... number 1234567891011 12345678910 x z 2x80 4 3 2 Fig. 1. Finite element idealisation of meshes M1, M2, M3, M4, M5 TẠP CHÍ PHÁT TRIỂN KH&CN, TẬP 9, SỐ 8 - 2006 Trang 5 FINITE ELEMENT ANALYSIS OF ELASTO-PLASTIC BOUNDARY ... st , 2006) ABSTRACT: The finite element method (FEM) is used widely in analysis of elasto- plastic behaviours for structures. The analysis often involves a two-stage process: first, the internal...

Ngày tải lên: 22/07/2014, 10:21

Ngày tải lên: 24/10/2014, 21:58

... length of each element and the direction cosines of element orientation Table 3.2 Element- Node Connectivity Table for Figure 3.2 Node Element ij 113 223 Hutton: Fundamentals of Finite Element Analysis 1. ... Hutton: Fundamentals of Finite Element Analysis 1. Basic Concepts of the Finite Element Method Text â The McGrawHill Companies, 2004 2 CHAPTER 1 Basic Concepts of the Finite Element Method mathematical ... Hutton: Fundamentals of Finite Element Analysis 1. Basic Concepts of the Finite Element Method Text â The McGrawHill Companies, 2004 12 CHAPTER 1 Basic Concepts of the Finite Element Method collectively...

Ngày tải lên: 08/04/2014, 10:37

... Fundamentals of Finite Element Analysis 1. Basic Concepts of the Finite Element Method Text â The McGrawHill Companies, 2004 1.5 Examples of Finite Element Analysis 13 Figure 1.7 A mesh of finite elements ... Fundamentals of Finite Element Analysis 1. Basic Concepts of the Finite Element Method Text â The McGrawHill Companies, 2004 1 Basic Concepts of the Finite Element Method 1.1 INTRODUCTION The finite element ... Fundamentals of Finite Element Analysis 1. Basic Concepts of the Finite Element Method Text â The McGrawHill Companies, 2004 1.2 How Does the Finite Element Method Work? 3 If the values of the field...

Ngày tải lên: 26/05/2014, 03:41

... spectrum analysis ã P-delta analysis with either static or dynamic analysis ã Blocked active column equation solver ã Automated fast profile optimization ã Non-linear Pushover Analysis Analysis Options ... SAP2000 Bridge Analysis ã Determination of maximum and minimum displacement a nd reactions ã Capable of handing complex lane geometries Bridge Analysis SAP2000 Solid Elements ã Three ... over element length to model beams of variable sections Frame Elements SAP2000 Linked to “CSI Section Designer” Frame Elements CSI Section Designer: A highly interactive and comprehensive software...

Ngày tải lên: 11/06/2014, 03:16

... 16 Finite Element Analysis: Thermomechanics of Solids Suppose now that v(t), θ , and φ are functions of time. As in cylindrical coordinates, (1.78) where ωω ωω is the axial vector of After ... LLC 10 Finite Element Analysis: Thermomechanics of Solids It follows that and hence *M) (1.48) in which q ij is the ji th entry of Q T . We can also state an alternate definition of a vector ... CRC Press LLC 18 Finite Element Analysis: Thermomechanics of Solids and (1.88) APPENDIX I: DIVERGENCE AND CURL OF VECTORS IN ORTHOGONAL CURVILINEAR COORDINATES D ERIVATIVES OF BASE VECTORS In...

Ngày tải lên: 27/06/2014, 15:20

... Hutton: Fundamentals of Finite Element Analysis 1. Basic Concepts of the Finite Element Method Text â The McGrawHill Companies, 2004 2 CHAPTER 1 Basic Concepts of the Finite Element Method mathematical ... domain. (c) Additional elements showing a partial finite element mesh of the domain. Hutton: Fundamentals of Finite Element Analysis 1. Basic Concepts of the Finite Element Method Text â The ... Hutton: Fundamentals of Finite Element Analysis 1. Basic Concepts of the Finite Element Method Text â The McGrawHill Companies, 2004 12 CHAPTER 1 Basic Concepts of the Finite Element Method collectively...

Ngày tải lên: 08/08/2014, 17:20

... only. In finite element software, the results for each element are available and can be examined as desired by the user of the software (postprocessing). Results for each of the eight elements are ... direct addition of the individual element stiffness terms per the nodal displacement correspondence table that defines element connectivity. Hutton: Fundamentals of Finite Element Analysis 3. Truss ... compute the axial deflection of each member. c. Using the results of part b, calculate the X and Y displacements of node 3. Hutton: Fundamentals of Finite Element Analysis 3. Truss Structures:...

Ngày tải lên: 08/08/2014, 17:20

... those of elementary beam theory with the addition of 1. The element is of length L and has two nodes, one at each end. 2. The element is connected to other elements only at the nodes. 3. Element ... Fundamentals of Finite Element Analysis 5. Method of Weighted Residuals Text © The McGraw−Hill Companies, 2004 134 CHAPTER 5 Method of Weighted Residuals Substitution of the second derivative of y*(x) ... tech- nique of Galerkin’s method of weighted residuals, we now develop Galerkin’s finite element method based on MWR. Hutton: Fundamentals of Finite Element Analysis 4. Flexure Elements Text...

Ngày tải lên: 08/08/2014, 17:20

... Fundamentals of Finite Element Analysis 5. Method of Weighted Residuals Text © The McGraw−Hill Companies, 2004 5.4 Application of Galerkin’s Method to Structural Elements 151 Galerkin’s finite element ... – °F. Formulate a four -element finite element model of this problem and solve for the nodal temperatures and Hutton: Fundamentals of Finite Element Analysis 5. Method of Weighted Residuals Text ... Fundamentals of Finite Element Analysis 5. Method of Weighted Residuals Text © The McGraw−Hill Companies, 2004 5.4 Application of Galerkin’s Method to Structural Elements 149 And, since the domain of...

Ngày tải lên: 08/08/2014, 17:20

... combina- tion of the element types can be used to improve the geometric accuracy of the model. The shaded areas of Figure 6.20c could be modeled by three-node tri- angular elements. Such combination of element ... triangular element. The four-node quadrilateral element is derived from the four-node rectangular element (known as the parent element) element via a mapping process. Figure 6.21 shows the parent element ... 7.4 1 34 s r 2 Figure 7.9 Element node numbering for Example 7.4; the length of each edge is 1 in. Hutton: Fundamentals of Finite Element Analysis 6. Interpolation Functions for General Element Formulation Text â...

Ngày tải lên: 08/08/2014, 17:20

... fin. (b) Finite element model. (c) Element 1 edge convection. (d) Element 2 edge convection. (b) 4 1 2 5 4 7 2 1 3 6 9 8 3 (c) 1 1 25 4 (d) 2 4 58 7 Hutton: Fundamentals of Finite Element Analysis 7. ... z 3 ) Figure 7.19 Cross section of a three-node axisymmetric element. Recall that the element is a body of revolution. Hutton: Fundamentals of Finite Element Analysis 7. Applications in Heat ... mesh of elements. Some finite element software packages compute the values at the integration points (the Gauss points) and average those values for an element value to be applied at the element...

Ngày tải lên: 08/08/2014, 17:20

... assumed. In the context of finite element analysis, can the flow problem and the heat transfer problem be solved independently? U Q Hutton: Fundamentals of Finite Element Analysis 9. Applications ... Equation 6.37. Using the discretized representation of the displacement field, the element strain Hutton: Fundamentals of Finite Element Analysis 8. Applications in Fluid Mechanics Text © The ... luxury of comparing the finite element results with an “approximately exact” solution, which gives the stream function as ␺ = U x 2 + y 2 − R 2 x 2 + y 2 y Hutton: Fundamentals of Finite Element Analysis 9....

Ngày tải lên: 08/08/2014, 17:20

... model definition is a nicety of modern finite element software; automated analysis of results is not. Analysis of results is the postprocessing phase of finite element analysis. Practical models ... text.) The element strain and stress components, as computed, are expressed in the element coordinate system. In general, for the elements commonly used in Hutton: Fundamentals of Finite Element Analysis 10. ... de- scribes the time response of a mechanical system, the constants of integration are most-often called the initial conditions. Hutton: Fundamentals of Finite Element Analysis 9. Applications in...

Ngày tải lên: 08/08/2014, 17:20

Ngày tải lên: 08/08/2014, 17:20

Ngày tải lên: 08/08/2014, 17:20

Ngày tải lên: 11/08/2014, 04:20

Ngày tải lên: 11/08/2014, 04:20