633-0811/01 – Simulation of Forming Processes (MTP)

 Gurantor department Department of Materials Forming Credits 6 Subject guarantor doc. Ing. Richard Fabík, Ph.D. Subject version guarantor doc. Ing. Richard Fabík, Ph.D. Study level undergraduate or graduate Requirement Compulsory Year 2 Semester summer Study language Czech Year of introduction 2004/2005 Year of cancellation 2020/2021 Intended for the faculties FMT Intended for study types Follow-up Master
Instruction secured by
FAB37 doc. Ing. Richard Fabík, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 3+2
Part-time Credit and Examination 18+0

Subject aims expressed by acquired skills and competences

Studen will be able to: Describe fundamental principles of mathematical modeling Solve 1D Poisson problems analytically Clarify fundamental principles of finite element method Define and modify boundary conditions of mathematical model Analyze forming process in terms of thermomechanical bindings Assemble model for description of microstructure evolution during forming

Lectures
Tutorials
Project work

Summary

Introduction. Principles of physical and mathematical simulation of forming processes. Mathematical training (stress, strain, mechanical principles, elasticity, plasticity). Analysis and technology in metal forming (forging, rolling, extrusion, drawing). Termomechanical principles of continuum (heat, basic equation of heat transfer) Tribology and boundary conditions (BC) of flat rolling. Evolution of microstructure and mechanical properties of final product. Introduction to Finite element method (FEM) (variational formulation, creation of final elements meshes, basis function, construction of stiffness matrix, 1D problem of heat transfer and elasticity, 1. 2. and 3. kind of BC) Estimation of forming parameters – inverse analysis (philosophy, optimization techniques).

Compulsory literature:

[1] KOBAYASHI, S., OH, S., ALTAN, T. Metal Forming and the Finite-Element Method, Oxford University Press 1989, 377 s., ISBN 0-19-504402-9

Recommended literature:

[1] WAGONER, R. H., CHENOT J.L. Metal Forming Analysis, Cambridge University Press, 2001,376 p., ISBN 0-521-64267-1 [2] LENARD, J.G., PIETRZYK, M., CSER, L. Mathematical and Physical Simulation of the Properties of Hot Rolled Products, Elsevier Science Ltd,1999, 364 p., ISBN 0 08 042701 4

Way of continuous check of knowledge in the course of semester

Semester project defended in class (30 points)

E-learning

E-learning materials in Czech language are prepared at present. For electronic communication with pedagogues make use of appropriate university e-mail addresses, which find here: http://telsez.vsb.cz/Phonebook.faces (In e-mail subject write abbreviation of course - MTP).

Other requirements

The theoretical readiness for exercises (will be randomly checked). Attendance at seminars min 80%.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures 1. Introduction of subject. Principles of physical and mathematical simulation of forming processes. Mathematical background. (Poisson's equation, variation of functional). 2. ABC to Finite element method (FEM) (variation formulation, creating of finite element mesh, base function, creating of stiffness matrix, 1D problem of heat transfer and elasticity, Boundary conditions (BC) 1st, 2nd , 3rd a 4th type) 3. Analysis of forming processes (forging, rolling, extrusion, drawing) 4. Thermo-mechanical principles of (heat, Fourier equation of heat convection) 5. Tribological system, tribology of flat rolling, friction, Coulomb and Tresca Law of friction. 6. Interaction of contact surfaces (friction – measurement and computation of friction during rolling, heat transfer to the tools, measurement and computation of heat transfer coefficient). 7. Influence of process and materials parameters on contact phenomena (strain, strain rate, temperature, surface quality, scales, wear of rolls) 8. Conventional model of microstructure evolution (static recovery and recrystallization, metadynamic recrystallization, dynamic recovery and recrystallization, grain growth, precipitation). Microstructure evolution during heat treatment (hardening, tempering, annealing, phase fraction, mechanical properties). 9. Estimation of forming parameters – inversion analysis (basic principles, optimalization techniques) Exercises 1. Software for mathematical simulation of forming FORGE. Setting of semestral project. 2. Hierarchy of FORGE. 3. Creating of geometry and finite element mesh (import from CAD) 4. Model of materials (rheology database, creation of customer equations) 5. Initial and boundary conditions. 6. Analysis (thermal, mechanical, combined, thermal treatment). 7. Results (evaluation, arrangement, export, creating of plots). 8. Semester project - finalization 9. Presentation and defend of project results

Conditions for subject completion

Part-time form (validity from: 1960/1961 Summer semester, validity until: 2011/2012 Summer semester)
Min. number of pointsMax. počet pokusů
Exercises evaluation and Examination Credit and Examination 100 (100) 51 3
Exercises evaluation Credit 30 (30) 0 3
Examination Examination 70 (70) 0 3
Oral Oral examination 70  0 3
Mandatory attendence participation:

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Conditions for subject completion and attendance at the exercises within ISP:

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Occurrence in study plans

Academic yearProgrammeBranch/spec.Spec.ZaměřeníFormStudy language Tut. centreYearWSType of duty
2015/2016 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment K Czech Ostrava 2 Compulsory study plan
2015/2016 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment P Czech Ostrava 2 Compulsory study plan
2014/2015 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment K Czech Ostrava 2 Compulsory study plan
2014/2015 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment P Czech Ostrava 2 Compulsory study plan
2013/2014 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment P Czech Ostrava 2 Compulsory study plan
2013/2014 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment K Czech Ostrava 2 Compulsory study plan
2012/2013 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment P Czech Ostrava 2 Compulsory study plan
2012/2013 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment K Czech Ostrava 2 Compulsory study plan
2011/2012 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment P Czech Ostrava 2 Compulsory study plan
2011/2012 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment K Czech Ostrava 2 Compulsory study plan
2010/2011 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment P Czech Ostrava 2 Compulsory study plan
2010/2011 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment K Czech Ostrava 2 Compulsory study plan
2009/2010 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment P Czech Ostrava 2 Compulsory study plan
2009/2010 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment K Czech Ostrava 2 Compulsory study plan
2008/2009 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment K Czech Ostrava 2 Compulsory study plan
2008/2009 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment P Czech Ostrava 2 Compulsory study plan
2007/2008 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment K Czech Ostrava 2 Compulsory study plan
2007/2008 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment P Czech Ostrava 2 Compulsory study plan
2006/2007 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment K Czech Ostrava 2 Compulsory study plan
2006/2007 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment P Czech Ostrava 2 Compulsory study plan
2005/2006 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment K Czech Ostrava 2 Compulsory study plan
2005/2006 (N2109) Metallurgical Engineering (2109T034) Forming Technologies and Material Treatment P Czech Ostrava 2 Compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner

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