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simulation code

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Published: 01 January 2001
Fig. 2 Different scenarios in the mold-filling simulation code. Three different gate locations (arrows) are tried to find the minimum mold-filling time. The filling times are (a) 51 s, (b) 118 s, and (c) 169 s. More
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
... Abstract This article illustrates the simulation procedure of casting process. It describes important elements and points of the simulations. These include the setting of clear simulation objectives, selection of proper simulation code, hints in modeling of shape and phenomena, initial...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005538
EISBN: 978-1-62708-197-9
... methods, and computer-enhanced optimization of materials, processes, and designs. Computational modeling and simulation methods for materials and processes have been growing rapidly. As an example, in the 1970s, the development of computer codes to simulate solidification was initiated; commercial...
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
... understanding of the complex phenomena at play. Most importantly, the computational tools are not designed to be integrated with one another nor with manufacturing simulation or product performance codes. In addition, modern component design requires consideration of many different properties, which again adds...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005540
EISBN: 978-1-62708-197-9
... concentrates on the most common techniques used, keeping in mind that special variation of processes requires special adjustments to the input, process setup, and sometimes even the code used. Overview on Sheet-Forming Simulation Over the years, successful stamping simulation has helped to considerably...
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
...://accelrys.com/products/datasheets/dmol3.pdf LAMMPS LAMMPS (Large-Scale Atomic/Molecular Massively Parallel Simulator) is a classical molecular dynamics code created for simulating molecular and atomic systems such as proteins in solution, liquid crystals, polymers, zeolites, or simple Lenard-Jonesium...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005531
EISBN: 978-1-62708-197-9
... the material behavior during processing. This presents an analytical platform for predictive avoidance of defective parts. More advanced codes even provide predictions of microstructure and microstructure distribution in the finished part. Appropriate material databases and simulation codes for casting...
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
... implicit method was available as an option in some dynamic-explicit-based codes. Many comparison works were published by static implicit proponents using unreasonable parameters to illustrate why dynamic explicit was not appropriate for metal-forming simulations. Those conclusions were obviously very...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006637
EISBN: 978-1-62708-213-6
... of bulk samples, thin-film composition and layer thickness, impurity profiles, damage depth profile, and surface peak—as well as the various codes developed to simulate it. Rutherford backscattering spectrometry backscattering channel-energy conversion energy-depth conversion Overview...
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
... a commercial code for simulation of any nontrivial mechanism problem. As recently as the last decade, many engineering analysts wrote their own computer programs to solve specific problems. As the capability of commercial systems has evolved, so has the tendency to write and maintain isolated, specialized...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003971
EISBN: 978-1-62708-185-6
..., increasingly powerful FEM codes have been applied to simulate a number of three-dimensional (3-D) forging problems. Recent FEM applications include the design of tooling for forgings that require multiple die impressions, the simulation of open-die forging processes, and various steady-state problems...
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
... the design definition as input and evaluate the performance measures of interest (see the articles “Mechanism Dynamics and Simulation,” “Finite Element Analysis,” and “Computational Fluid Dynamics” in this Volume). Most simulation codes solve partial differential equations by using the finite...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002493
EISBN: 978-1-62708-194-8
... in personnel training and development of a material properties database. Also, the use of physical modeling in a laboratory coupled with residual-stress measurements is still needed to verify the results of computer simulation until full confidence in the accuracy of simulation code and personnel skill...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005237
EISBN: 978-1-62708-187-0
... intersects the leading part of the mushy zone. As yet, simulations of macrosegregation in full-sized ingots are very expensive in terms of computational time. The results presented here were achieved using an in-house research code, called MULTIA, which was originally designed to simulate the formation...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004028
EISBN: 978-1-62708-185-6
... Abstract This article outlines several polycrystal formulations commonly applied for the simulation of plastic deformation and the prediction of deformation texture. It discusses the crystals of cubic and hexagonal symmetry that constitute the majority of the metallic aggregates used...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005557
EISBN: 978-1-62708-174-0
... and that personnel are competent to produce welds that meet the expected quality levels. These are the reasons that welding codes, standards, and fabrication documents require the qualification of welding procedures and personnel. This article summarizes common welding procedure and personnel qualification variables...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005530
EISBN: 978-1-62708-197-9
... Abstract This article provides information on the boundary conditions that must be applied to model the heat-transfer coefficient (HTC) in a component being cooled. It describes the historical perspective of various experiments to determine the HTCs. Computational fluid dynamics codes have also...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005432
EISBN: 978-1-62708-196-2
... such as a grain boundary or grain-boundary triple point. Of course, this texture- and site-specific information requires additional experimental detail and conditional statements in the simulation code. Nucleation of recrystallization in a CA simulation is generally accomplished by an imposed rule based...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005233
EISBN: 978-1-62708-187-0
... systems geometry arbitrary Lagrangian-Euler equation SIMULATION OF CASTING is motivated by the need to minimize casting defects by understanding and controlling the fluid flow and thermal processes throughout the casting process. However, modeling of casting processes is difficult because...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001474
EISBN: 978-1-62708-173-3
... Abstract Welding codes and standards usually require the qualification of welding procedures prior to being used in production. This is to ensure that welds will meet the minimum quality and mechanical property requirements for the application. This article provides an overview of the welding...