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Table of Contents
Acknowledgments; Contents; Nomenclature; Abstract; 1 Introduction; 2 State of the Art; References; 3 Aim of the Study; 4 Integration of Physical and Computer Simulation; 4.1 Characteristics of the Integrated Modelling Concept; 4.2 Hybrid Analytical-Numerical Model of Mushy Steel Deformation; 4.2.1 Resistance Heating Model; 4.3 "One Decision Software"-The DEFFEM Package; 4.4 Stereoscopic Visual Representation Algorithm for the 3D Gemini Barco Projection System; 4.5 Summary; References; 5 Spatial Solutions Based on the Smoothed Particle Method and the Finite Element Method-A Hybrid Approach.
5.1 The Smoothed Particle Hydrodynamics (SPH) Method5.1.1 Fluid Model; 5.1.2 Thermal Model; 5.2 Test Cases to Validate the Fluid Solver; 5.2.1 Free Particles Fall; 5.2.2 Structure Impact; 5.3 Test Simulation of the Hybrid Solution; 5.4 Summary; References; 6 Spatial Solutions Based on the Finite Element Method and the Monte Carlo Method-A Multi-scale Approach; 6.1 Thermal Model; 6.1.1 Discretization for Steady Heat Flow Cases; 6.1.2 Discretization for Transient Heat Flow Cases; 6.2 Solidification Model; 6.3 Mechanical Model; 6.3.1 Spatial Solution.
6.3.1.1 Transformation of the Coordinate System and Integration6.3.1.2 Time Problem; 6.4 Grain Growth Model in the Comprehensive Description of the Heating-Melting-Solidification Process (Multi-scale Approach); References; 7 Computer-Aided Physical Simulations Within the Context of New Technology Development; 7.1 Material and Test Methodology; 7.1.1 Samples and Tools; 7.1.2 The Determination of Characteristic Temperatures; 7.1.3 Thermal Process Map (TPM); 7.2 Preliminary Experimental and Computer Simulation Research of Steel Deformation in the Semi-solid State.
7.2.1 The Dependence of Steel Microstructure Parameters on the Cooling Rate During Solidification7.2.2 High-Temperature Stress-Strain Relationships; 7.2.3 Steel Ductility in the Continuous Casting Process; 7.2.4 Deformation Above Nil Ductility Temperature; 7.2.5 Macrostructure and Microstructure; 7.3 Summary; References; 8 An Integrated Modelling Concept Based upon Axially Symmetrical Models; 8.1 Direct Simulation Using the Gleeble Thermo-Mechanical Simulator; 8.1.1 Testing the Temperature Distribution; 8.1.2 Macrostructure and Microstructure.
8.2 Application of Tomography to the Spatial Analysis of the Melting Zone8.3 Numerical Modelling with the DEFFEM Simulation System; 8.3.1 Modelling of the Resistance Heating Process; 8.3.1.1 Example Results of Resistance Heating; 8.3.2 Modelling of the Deformation Process; 8.3.2.1 Rheological Model; 8.3.2.2 The Numerical Identification Methodology (NIM) for the Low Temperature Range; 8.3.2.3 The Direct Identification Methodology (DIM) for the Extra-High Temperature Range; 8.3.2.4 The Numerical Identification Methodology (NIM) for the Extra-High Temperature Range; 8.4 Summary; References.
5.1 The Smoothed Particle Hydrodynamics (SPH) Method5.1.1 Fluid Model; 5.1.2 Thermal Model; 5.2 Test Cases to Validate the Fluid Solver; 5.2.1 Free Particles Fall; 5.2.2 Structure Impact; 5.3 Test Simulation of the Hybrid Solution; 5.4 Summary; References; 6 Spatial Solutions Based on the Finite Element Method and the Monte Carlo Method-A Multi-scale Approach; 6.1 Thermal Model; 6.1.1 Discretization for Steady Heat Flow Cases; 6.1.2 Discretization for Transient Heat Flow Cases; 6.2 Solidification Model; 6.3 Mechanical Model; 6.3.1 Spatial Solution.
6.3.1.1 Transformation of the Coordinate System and Integration6.3.1.2 Time Problem; 6.4 Grain Growth Model in the Comprehensive Description of the Heating-Melting-Solidification Process (Multi-scale Approach); References; 7 Computer-Aided Physical Simulations Within the Context of New Technology Development; 7.1 Material and Test Methodology; 7.1.1 Samples and Tools; 7.1.2 The Determination of Characteristic Temperatures; 7.1.3 Thermal Process Map (TPM); 7.2 Preliminary Experimental and Computer Simulation Research of Steel Deformation in the Semi-solid State.
7.2.1 The Dependence of Steel Microstructure Parameters on the Cooling Rate During Solidification7.2.2 High-Temperature Stress-Strain Relationships; 7.2.3 Steel Ductility in the Continuous Casting Process; 7.2.4 Deformation Above Nil Ductility Temperature; 7.2.5 Macrostructure and Microstructure; 7.3 Summary; References; 8 An Integrated Modelling Concept Based upon Axially Symmetrical Models; 8.1 Direct Simulation Using the Gleeble Thermo-Mechanical Simulator; 8.1.1 Testing the Temperature Distribution; 8.1.2 Macrostructure and Microstructure.
8.2 Application of Tomography to the Spatial Analysis of the Melting Zone8.3 Numerical Modelling with the DEFFEM Simulation System; 8.3.1 Modelling of the Resistance Heating Process; 8.3.1.1 Example Results of Resistance Heating; 8.3.2 Modelling of the Deformation Process; 8.3.2.1 Rheological Model; 8.3.2.2 The Numerical Identification Methodology (NIM) for the Low Temperature Range; 8.3.2.3 The Direct Identification Methodology (DIM) for the Extra-High Temperature Range; 8.3.2.4 The Numerical Identification Methodology (NIM) for the Extra-High Temperature Range; 8.4 Summary; References.