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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006772
EISBN: 978-1-62708-295-2
... dimensionally (as a drawing), three dimensionally (using construction materials), or virtually (within a computerized environment). Common examples of illustrative models used by scientists and engineers include free-body diagrams, phase diagrams, crystal lattices, and circuit diagrams. Illustrative models may...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005239
EISBN: 978-1-62708-187-0
... boundary conditions, physical properties, enmeshing, and evaluation of simulation results. The article provides some insights into the application of models to real world problem for foundry process engineers. accuracy casting physical properties modeling enmeshing simulation code COMPUTER...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005427
EISBN: 978-1-62708-196-2
... Abstract Integrated computational materials engineering refers to the use of computer simulations that integrate mathematical models of complex metallurgical processes with computer models used in component and process design. This article outlines an example of a computer-aided engineering...
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
.... Other issues for three-dimensional engineering CFD include geometry acquisition and grid generation, numerical accuracy, and diagnostics to extract the physical information of interest from the computations. Modeling and other issues are discussed further in subsequent sections. The governing...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005229
EISBN: 978-1-62708-187-0
.... The article provides a schematic illustration of energy-dispersive x-ray spectroscope (EDS) scattered data of solute distributions across a dendrite due to microsegregation of chromium and molybdenum. It concludes with a section on computational modeling for simulation of microsegregation of chromium...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005227
EISBN: 978-1-62708-187-0
... melt infiltration, used in the synthesis of MMCs. The article also discusses the fundamentals of solidification process and presents a computational modeling of particle/solidification front interactions in metal-ceramic systems. The article concludes with information on nanocomposites. casting...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005238
EISBN: 978-1-62708-187-0
... steel slabs solidification stress finite element formulation arbitrary Lagrangian Eulerian method braking disks thermomechanical coupling COMPUTATIONAL MODELING of mechanical behavior during solidification is becoming more . Thermal and microstructural simulations alone are insufficient to...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006277
EISBN: 978-1-62708-169-6
... Gibbs free energies and atomic mobilities are established as functions of temperature, pressure, and composition and serve directly as key inputs of any microstructure modeling. The article presents examples of the integrated computation tool set in simulating microstructural evolution. Burgers...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005436
EISBN: 978-1-62708-196-2
... analytical method empirical method cooling curve computational fluid dynamics thermal modeling inverse conduction HEAT TREATING AND QUENCHING are a complex business. The configuration of parts is endless, as is the types of furnaces available for heat treating. Numerous variables in the quenching...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005950
EISBN: 978-1-62708-166-5
... simulation of heat treatment processes has proved that it can be a powerful tool to reach those objectives. Mathematical models and computer codes for simulation of hardening processes have been developed in academia since the late 1970s, and commercial finite-element analysis (FEA) software has been around...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005234
EISBN: 978-1-62708-187-0
... of the fact that use of the incorrect constants in the k -ε model can lead to very wrong results, the DNS and LES represent a huge increase in computational effort (due largely to the necessary increase in grid resolution) and so are less likely to be used in the near future except in research codes...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005455
EISBN: 978-1-62708-196-2
... Abstract A computational tool would require the contribution of the strengthening mechanisms of metallic material to be predicted and then summed in an appropriate way to derive an estimate of the tensile properties. This article focuses on the modeling of deformation mechanisms pertinent to...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005434
EISBN: 978-1-62708-196-2
... phenomena in continuous media and transition regime flows of VPP. It explains the methods used for molecular modeling in computational materials science. The article also presents examples that illustrate multiscale simulations of CVD or PVD processes and examples that focus on sputtering deposition and...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006773
EISBN: 978-1-62708-295-2
... general view on the applicability of finite-element modeling in conducting analyses of failed components. It is meant to highlight the uses of finite-element modeling in the area of failure analysis and design, with emphasis on structural analysis. However, the ongoing advances in computing power and...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005420
EISBN: 978-1-62708-196-2
... erosion, and hot-tear cracks. hot tearing casting heat-transfer modeling thermomechanical modeling microsegregation modeling solidification defects inclusion entrapment segregation shrinkage cavities gas porosity mold-wall erosion hot-tear cracks AS COMPUTATIONAL MODELS MATURE, their...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005425
EISBN: 978-1-62708-196-2
... computational modeling and analysis technologies to describe and predict physics-based processes are occurring globally within universities and research centers in nearly every country ( Ref 2 ). In addition to increased collaboration between industry and academia, there are increased numbers of multinational...
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
... lifetime and scatter in fatigue. Moreover, especially in the HCF regime, component and notch size effects are manifested with dependence on underlying microstructure. In view of the intimate role of microstructure, computational modeling in the HCF regime is of most clear relevance and is emphasized in...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005431
EISBN: 978-1-62708-196-2
... not possible for complex systems. In this case, numerical methods are needed to provide approximate solutions in modeling the behavior of a system. Numerical methods are used in many types of engineering models, and the widespread availability and computing capability of computers has increased the...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005411
EISBN: 978-1-62708-196-2
... during the design of new materials and components has led to a substantial increase in the use of computational techniques to model mechanical behavior, including creep-fatigue crack growth. This type of modeling approach has the potential of reducing the time and cost associated with extensive...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005406
EISBN: 978-1-62708-196-2
... macroscopic scale. The cellular automaton (CA) method was first developed to model the macrostructure in casting by resolving each individual grain. The grains are defined by envelopes, drawn around a dendritic structure, and the entire grain structure of a casting can be computed. This is possible by...