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parametric modelling

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Published: 01 January 2000
Fig. 6 Schematic representation of several parametric models. In the equations given for each parameter, σ is applied stress, t is time, T is temperature in °C or °F, T A is absolute temperature in K or °R, Q is the activation energy, R is the gas constant, and B and C More
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Published: 01 November 2010
Fig. 11 Parametric model. Mug design based on design parameters More
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
... Abstract Solid modeling is the act of creating the three-dimensional models of various components and system using a computer-aided design (CAD) tool. This article describes the fundamental approaches of solid modeling, such as manufacturing operation simulation, parametric approach...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003289
EISBN: 978-1-62708-176-4
... of required creep-rupture properties based on insufficient data. Methods for evaluation of remaining creep-rupture life, including parametric modeling, isostress testing, accelerated creep testing, evaluation by the Monkman-Grant coordinates, and the Materials Properties Council (MPC) Omega method, are also...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002441
EISBN: 978-1-62708-194-8
... Parametric Technology Corporation (PTC) introduced its Pro/ENGINEER product with a fundamentally different approach to design modeling that solids became easily accessible and generally productive. The approach established by PTC has three basic components that had been known, but not developed...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006298
EISBN: 978-1-62708-179-5
... as a parametric study that investigated the effects of various variables. It concludes with information on the application of 3-D modeling methodology to investigate gas emissions in furan binder/silica sand castings for steel 4140 and aluminum A356 alloys. aluminum aluminum alloys cast iron cast iron...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006934
EISBN: 978-1-62708-395-9
.... Then, the widely used models to simulate the service life of polymers are highlighted. These include the Burgers power-law model, the Findley power-law model, the time-temperature superposition (or equivalence) principle (TTSP), and the time-stress superposition principle (TSSP). The Larson-Miller parametric...
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: 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: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005815
EISBN: 978-1-62708-165-8
..., 0.28 Si) at various temperatures as a function of time. Adapted from Ref 18 Most time-temperature parametric models of tempering relate the hardness to a function of absolute temperature ( T ) times the sum of a parametric constant ( C ) and the common logarithm of tempering time ( t...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006463
EISBN: 978-1-62708-190-0
... data. Nonparametric Estimate of POD There is much flexibility in the parameterizations of POD curves, as previously discussed, but the question remains as to whether any specific parametric model adequately captures the behavior of a set of POD data. One way to address this issue is to fit POD...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003087
EISBN: 978-1-62708-199-3
.... With the enormous combination of materials and processes to choose from, the task can be done only by introducing simplification and systemization. Design proceeds from concept design, to embodiment (configuration) design, to detail (parametric) design, and the material and process selection then becomes more...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
.... It is repeated hundreds or thousands of times during a complicated product design. It is used again and again in recursive fashion for the conceptual stage to select materials and processes, to configure parts, and to assign numerical values to dimensions and tolerances (i.e., parametric or parameter design...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001461
EISBN: 978-1-62708-173-3
..., and this technology has the potential to revolutionize the entire joining manufacturing industry. The advent of personal desktop computer systems with high computational speed; the ability to model very complex parametric interrelationships without the need for exact theoretical understanding of those relationships...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002442
EISBN: 978-1-62708-194-8
... of the closing and latching of a car door. This model was validated against a set of results from a test fixture at an automotive manufacturer. The latch components were designed and assembled in the Pro/ENGINEER modeling system from Parametric Technology Corporation. The DADS multibody dynamics (MBD) program...
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...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009014
EISBN: 978-1-62708-187-0
... associated with built-up parts and weldments. Shape optimization is the design perspective that seeks to leverage these advantages. This practice has been greatly facilitated by the development of powerful engineering workstations and solid modeling software that significantly enhances the engineer's...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006994
EISBN: 978-1-62708-439-0
... as an example of using parametric numerical models. In WAAM processing, an additional colling time was found to be an essential parameter when measuring von Mises stress and displacement in numerical simulations. In a study using WAAM with copper, a conclusion based on numerical simulation...