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finite-element method

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040091
EISBN: 978-1-62708-300-3
... Abstract There are numerous approximate methods, both analytical and numerical, for analyzing forging processes. None are perfect because of the assumptions made to simplify the mathematical approach, but all have merit. This chapter discusses the slab, upperbound, and finite element methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040237
EISBN: 978-1-62708-300-3
... Abstract This chapter discusses the use of finite-element methods for modeling cold forging processes. The discussion covers process modeling inputs, such as geometric parameters, material properties, and interface conditions, and includes several application examples. cold forging...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540001
EISBN: 978-1-62708-309-6
... on to analyze the stress state of load-bearing members, pressurized tubes, and pin-loaded lugs, accounting for the effect of geometric discontinuities, such as cutouts, fillets, and holes, as well as cracks. It also explains how finite element methods are used to solve problems involving complex geometric...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400105
EISBN: 978-1-62708-316-4
... of key process parameters including the draw ratio, material properties, geometry, interface conditions, equipment operating speed, and tooling. It then walks through the steps involved in predicting stress, strain, and punch force using the slab method and finite element analysis and presents...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500179
EISBN: 978-1-62708-317-1
... T. , Tube Hydroforming: State-of-the-Art and Future Trends , J. Mater. Process. Technol. , Vol 98 ( No. 1 ), Jan 15 , 2000 , p 25 – 33 10.1016/S0924-0136(99)00302-7 9.3 Jirathearanat S. , “Advanced Methods for Finite Element Simulations for Part and Process Design in Tube...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500157
EISBN: 978-1-62708-317-1
... of Optimum Process Parameters to Form a Rectangular Part Geometry by Sheet Hydroforming with Die (SHF-D) Process Using Finite Element Method,” Master’s thesis, The Ohio State University, Columbus, OH, 2005 8.25 Groche P. , Huber R. , Dorr J. , and Schmoeckel D. , Hydromechanical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500133
EISBN: 978-1-62708-317-1
... Abstract Hot stamping is a forming process for ultrahigh-strength steels (UHSS) that maximizes formability while minimizing springback. This chapter covers several aspects of hot stamping, including the methods used, the effect of process variables, and the role of finite-element analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500073
EISBN: 978-1-62708-317-1
... in a multistep deep drawing problem. Kim et al. ( Ref 4.8 ) carried out tool design analysis for multistep drawing using the finite-element method (FEM). In these studies, only design improvements in existing multistep tooling were carried out. Process simulation using FEA and commercial software...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500051
EISBN: 978-1-62708-317-1
.... finite element method forming tools process simulation sheet metal forming springback UNTIL RECENTLY, the design of metal forming tools was based mainly on knowledge gained through experience and expensive trial-and-error processes. However, today the metal forming industry is making use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500289
EISBN: 978-1-62708-317-1
...-and-error experiments. However, some studies ( Ref 14.20 , 14.21 ) discuss the application of the finite-element method to optimize the mechanical crimping process, to enhance the performance of the assembly by determining the optimum process and geometrical parameters. The crimp quality, which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500273
EISBN: 978-1-62708-317-1
.... In principle, the finite-element method is well established in sheet metal forming to analyze and optimize, for example, stamping processes. However, the following difficulties exist with regard to the finite-element process simulation of incremental sheet metal forming processes ( Ref 13.2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040059
EISBN: 978-1-62708-300-3
... heat transfer between objects be characterized. Thus, the numerical analysis, such as finite element method, can carry out quantitative calculations at the interface between the objects that are in contact. The interface heat transfer coefficient, h, for hot forging application, is measured...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040185
EISBN: 978-1-62708-300-3
... is the most widely known technique to perform this type of analysis. It is successfully used for predicting forging loads and stresses with acceptable engineering accuracy. Numerical methods: The finite-element method (FEM) is the most widely used method in this field. The major advantage of this method...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540215
EISBN: 978-1-62708-309-6
... with stress profiles. It also describes how material-related factors, load history, corrosion, and temperature affect crack growth rates, and discusses the steps involved in life assessment. corrosion-fatigue damage tolerance analysis finite element method residual strength stress-intensity factor...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040193
EISBN: 978-1-62708-300-3
.... , “ Investigation of Defect Formation in a 3-Station Closed Die Forging Operation, ” CIRP Annals , Vol. 381 , p 243 . 10.1016/S0007-8506(07)62695-X [Knoerr et al., 1992] Knoerr M. , Lee J. , Altan T. , “ Application of the 2D Finite Element Method to Simulation of Various Forming Processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040067
EISBN: 978-1-62708-300-3
... friction factors, f, or shear factors, m. Today, these values are most often predicted by the finite element method (FEM). Figure 7.12 shows an example of an FEM model used for this purpose. The results are plotted in the form of “theoretical calibration curves,” as can be seen in Fig. 7.13...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540281
EISBN: 978-1-62708-309-6
... with large-scale yielding, or just an elastic- J . The latter is actually a value of K 2 divided by E , or by E /(1 − ν 2 ), depending on the crack-tip constraint (i.e., plane stress or plane strain). The finite element method can be used to determine the stress and strain for points on the path...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460067
EISBN: 978-1-62708-285-3
... and the corresponding models are discussed subsequently. The majority of modeling techniques used for the analysis of particle impact in cold spraying have been based on continuum mechanics and, in particular, have involved mesh-based methods of numerical simulation. The focus has been on finite-element...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040051
EISBN: 978-1-62708-300-3
... Processes for Engineering Materials , Addison-Wesley , 1997 . [Kobayashi et al., 1989] Kobayashi S. , Oh S. , Altan T. , Metal Forming and the Finite Element Method , Oxford University Press , 1989 . [Lange, 1972] Lange K. , Ed., Study Book of Forming Technology...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3