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explicit-parametric modeling

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Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005535
EISBN: 978-1-62708-197-9
..., and reference entities. It discusses the application of solid modeling systems to create expressions or variables and various surfaces for components. The use of high-end CAD systems to afford a number of sheet metal functions is reviewed. The article explains the explicit-parametric modeling and model...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005151
EISBN: 978-1-62708-186-3
... review, including element formulation, contact algorithm, parametric material modeling, and so on, was fundamental in ensuring the accuracy improvement of the forming results regarding stress and strain within the required tolerance. Moreover, the strong time-to-market pressure left a very narrow time...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005528
EISBN: 978-1-62708-197-9
...) the Cockroft-Latham, and (d) the shear failure models Edge-Shearing Process Simulation and Parametric Studies From the second category of shearing, edge trimming is now examined. Finite-Element Model and Simulations A plane-strain finite-element model is set up in ABAQUS-Explicit for modeling...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002483
EISBN: 978-1-62708-194-8
... of the method Roskam uses for obtaining the solution, refer to Ref 9 . Some limitations of the parametric estimating method are of general interest. For example, if the proposed aircraft does not fit any of the domains of the estimating model, the approach is of little use. Such an example might be the V...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005527
EISBN: 978-1-62708-197-9
... model, the focus of the cost estimate is the time to assemble the product ( Ref 1 ). Methods of Cost Estimations There are three methods of cost estimation discussed in the following sections of this article. The first is parametric cost estimation. Starting from the simplest description...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002424
EISBN: 978-1-62708-194-8
... the engineering conceptual design and configuration design of special-purpose parts. It discusses the parametric design methods of the parts and best practices that are used by successful firms to achieve the goals of quality, cost, time-to-market, and marketing flexibility. configuration design...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005544
EISBN: 978-1-62708-197-9
... structural analysis, explicit analysis, thermal analysis, fluid dynamics, electromagnetics-low frequency, electromagnetics-high frequency, advanced materials characteristics, and coupled physics. ANSYS, Inc. www.ansys.com ANSYS FLUENT ANSYS FLUENT software models flow, turbulence, heat transfer...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005405
EISBN: 978-1-62708-196-2
... influence, the microstructurally small crack regime. A long crack-growth model, recognizing the crack shape and aspect ratio, can be applied from this point up to 500 μm. Fatigue crack initation approaches that embed N PSC′ into some parametric law (e.g., Coffin-Manson) based on plastic strain range...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0009218
EISBN: 978-1-62708-176-4
... parametric techniques. Several recent advances in the use of computerized analytical techniques for the treatment of creep and creep-rupture data may help solve these problems ( Ref 38 , 39 , 40 ). The digital computer has made possible improved treatment of lot-to-lot variations, selection of model...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002446
EISBN: 978-1-62708-194-8
... arise when analytical models are adjusted to match experimental data. Local and Global Optimum The minimization problem in Eq 1 may exhibit a single global minimum and possibly many local minima. The goal of solving Eq 1 is to find the global minimum; however, in practice, in the absence...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003546
EISBN: 978-1-62708-180-1
... of loading: in-phase and out-of-phase cycling. The article illustrates the ways in which damage can interact at high and low temperatures and the development of microstructurally based models in parametric form. It presents a case study of the prediction of residual life in a turbine casing of a ship through...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003642
EISBN: 978-1-62708-182-5
... Abstract Corrosion modeling is an essential benchmarking element for the selection and life prediction associated with the introduction of new materials or processes. These models are most naturally expressed in terms of differential equations or in other nonexplicit forms of mathematics...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005426
EISBN: 978-1-62708-196-2
... are “modeled” through modifications to the governing PDEs. Examples of models include turbulence models, combustion models, and multiphase flow models. All models necessarily introduce imprecision, and an ongoing goal of research is to improve the accuracy of these models. Other issues for three...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005533
EISBN: 978-1-62708-197-9
... difference method finite element method hardening induction heat treatment mutual impedance method normalizing simulation software stress relieving tempering MATHEMATICAL MODELING IS ONE OF THE MAJOR FACTORS in successful design of induction heating systems. Computer modeling provides...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002445
EISBN: 978-1-62708-194-8
... to describe more complex shapes such as transformers, heat sinks, and other shapes requiring many more parameters, if they can be described parametrically at all. Similarly, a library of component models of geometry for manufacturing and electrical/thermal simulation may be difficult to extend for use...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005893
EISBN: 978-1-62708-167-2
... mathematical models metals optimal control method THE MAIN PURPOSE of induction heating installations (IHIs) in production lines for hot working of metals is to provide the required workpiece temperature prior to subsequent process stages (e.g., hot forming, forging, rolling, extrusion, etc...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005520
EISBN: 978-1-62708-197-9
...-dimensional, spherical coordinate models ( Ref 27 , 28 , 78 ) or microstructurally explicit models ( Ref 14 , 31 , 70 ). In 2002, Lee et al. ( Ref 70 ) published the first multiscale, microstructure-explicit model of microporosity formation during solidification, although it was applied to direct...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002444
EISBN: 978-1-62708-194-8
... (0.004 in.) ( Ref 11 ). Computers do not exist, and will not exist in the foreseeable future, that can store all the numbers required to fully resolve these phenomena. Thus, the effects of small-scale, unresolvable features on the large-scale, average flow features of interest are “modeled” through...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006975
EISBN: 978-1-62708-439-0
... and precision of a prediction must be understood. The uncertainty in a prediction should include the following sources of error: parameter uncertainty, model inadequacy, residual variability, parametric variability, observation error, and code uncertainty ( Ref 13 ). Further, for some failure-critical...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001333
EISBN: 978-1-62708-173-3
... objective of welding heat flow modeling is to provide a mathematical tool for thermal data analysis, design iterations, or the systematic investigation of the thermal characteristics of any welding parameters. The article addresses analytical heat-flow solutions and their practical applications...