Material Modeling with the Visco-Plastic Self-Consistent (VPSC) Approach

Theory and Practical Applications

AvCarlos N. Tome,Ricardo A. Lebensohn

Häftad, Engelska, 2023

Del i serien Elsevier Series on Plasticity of Materials

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Beskrivning

Material Modeling with the Visco-Plastic Self-Consistent (VPSC) Approach: Theory and Practical Applications provides readers with knowledge of material viscoplasticity and robust modeling approaches for predicting plastic deformation of crystal aggregates. Visco-Plastic Self-Consistent (VPSC) is the identifier of a computer code developed for the specific mechanical regime addressed (visco-plastic: VP) and the approach used (self-consistent: SC) meant to simulate large plastic deformation of aggregates, thermo-elastic material deformation, as well as predict stress-strain response, texture evolution of aggregates and stress-strain state inside grains. This approach is very versatile and able to tackle arbitrary material symmetry (cubic, hexagonal, trigonal, orthorhombic, triclinic), twinning, and multiphase aggregates.

It accounts for hardening, reorientation and shape change of individual grains, and can be applied to the deformation of metals, inter-metallics and geologic aggregates. Readers will have access to a companion website where they can download code and modify its input/output or add subroutines covering specific simulation research needs.

Highlights a modeling approach that allows readers to accurately predict stress-strain response, texture evolution of aggregates, and internal stress states inside grains while also accounting for hardening, reorientation and shape change of individual grains
Features modeling techniques that can be applied to the deformation of metals, inter-metallics and geologic aggregates
Covers the theoretical aspects of homogeneous effective medium models as they apply to the simulation of plasticity and elasticity
Provides several practical examples and applications of materials of different symmetry subjected to different deformation conditions

Produktinformation

Utgivningsdatum:2023-05-26
Mått:152 x 229 x 20 mm
Vikt:580 g
Format:Häftad
Språk:Engelska
Serie:Elsevier Series on Plasticity of Materials
Antal sidor:380
Förlag:Elsevier Science
ISBN:9780128207130

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Maskinteknik och material inom Naturvetenskap och teknik

Mer om författaren

Dr. Tome is a Laboratory Fellow at Los Alamos National Laboratory where he started at in 1996 as Scientist. Prior he was a Professor at the National University of La Plata (Argentina). For the last 35 years his research interest has been on elastic, plastic, and creep behavior of polycrystalline aggregates, with a focus on development of constitutive equations at the single crystal level for low symmetry metals and geologic materials. His research includes pioneering the theoretical and numerical modeling of mechanical behavior of polycrystals with a focus on the role played by texture, twinning, and microstructure. He has over 200 peer-reviewed publications with over 20k citations. He has co-authored multiple books and has won multiple awards. Dr. Lebensohn is Senior Scientist of Los Alamos National Laboratory’s Theoretical Division, Fluid Dynamics, and Solid Mechanics Group. He is an expert in structure/property relationships and crystal plasticity modeling. His original contributions in terms of wide-spread materials modeling and simulation tools include the viscoplastic self-consistent (VPSC) code, a homogenization-based crystal plasticity formulation for the prediction of mechanical response, anisotropy, and microstructure evolution of polycrystalline materials, as well as Fast Fourier Transform (FFT)-based codes, for efficient prediction of micromechanical fields in polycrystalline aggregates. He has published more than 130 peer-reviewed journal papers that have received more than 8900 citations.

Innehållsförteckning

1. Introduction2. Theory and Models for Thermo-Elastic Effective Media3. Theories and Models for Visco-Plastic Effective Media 4. Constitutive Models for Slip and Twinning5. Description of Visco-Plastic Self-Consistent Code6. Examples and Applications of Visco-Plastic Self-Consistent Code