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Course info
KEV / MSS2
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Course description
Department/Unit / Abbreviation
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KEV
/
MSS2
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Academic Year
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2023/2024
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Academic Year
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2023/2024
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Title
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Modeling and Simulation of El.Machines 2
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Form of course completion
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Pre-Exam Credit
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Form of course completion
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Pre-Exam Credit
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Long Title
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Modeling and Simulation of Electric Machines 2
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Accredited / Credits
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Yes,
3
Cred.
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Type of completion
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Combined
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Type of completion
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Combined
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Time requirements
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Tutorial
3
[Hours/Week]
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Course credit prior to examination
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No
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Course credit prior to examination
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No
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Automatic acceptance of credit before examination
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Yes in the case of a previous evaluation 4 nebo nic.
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Included in study average
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NO
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Language of instruction
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Czech, English
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Occ/max
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Automatic acceptance of credit before examination
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Yes in the case of a previous evaluation 4 nebo nic.
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Summer semester
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0 / -
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0 / -
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0 / -
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Included in study average
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NO
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Winter semester
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3 / -
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0 / -
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1 / -
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Repeated registration
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NO
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Repeated registration
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NO
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Timetable
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Yes
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Semester taught
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Winter semester
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Semester taught
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Winter semester
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Minimum (B + C) students
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10
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Optional course |
Yes
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Optional course
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Yes
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Language of instruction
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Czech, English
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Internship duration
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0
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No. of hours of on-premise lessons |
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Evaluation scale |
S|N |
Periodicity |
každý rok
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Periodicita upřesnění |
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Fundamental theoretical course |
No
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Fundamental course |
Yes
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Fundamental theoretical course |
No
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Evaluation scale |
S|N |
Substituted course
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None
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Preclusive courses
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N/A
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Prerequisite courses
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N/A
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Informally recommended courses
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N/A
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Courses depending on this Course
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N/A
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Histogram of students' grades over the years:
Graphic PNG
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XLS
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Course objectives:
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Learning outcomes of the course acquaint students the ability to apply (at the user level) the finite element method to the computations of combined electrothermal (solid / liquid) fields in electrical machines using available SW resources. The aim is to equip students with the ability to simplify complex 2D / 3D models. To equip students with the ability to correctly define model loads, spreading boundary conditions, equivalent material properties in anisotropic environments, etc. Last but not least, the course aims to equip students with skills to interpret correctly the results achieved.
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Requirements on student
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Pre-exam credit: Submission, acceptance and defense of semestral project.
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Content
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1) Overview of the SW package ANSYS-Mechanical (environment philosophy, basic drawing tools, solving possibilities)
2) Transformer calculation: preparation of 3D model (including parameterization), setting of boundary conditions, adaptive and manual networking, selection and setting of solver.
- Calculation of stationary temperature field (constant loss load, constant boundary conditions)
- Calculation of non-stationary temperature field (variable load, variable boundary conditions), calculation of losses in iron.
3) Thermal calculation of the rotating machine
- Geometric layout and mathematical slot replacement
- Defining an air gap
- Boundary conditions
4) CFX flow - fundamentals of flow, load of model, boundary conditions, types of tasks
5) CFX flow - heat transfer in the liquid, heat transfer at the interface, net effect, surface roughness.
6) Combined task - obtaining boundary conditions using CFX and possibility of their implementation in thermal model.
7) Combined Task - Continuation
- Calculate the temperature field in ANSYS CFX.
8) 1D tasks of ANSYS simplorer, finite element method in time domain
9) 1D tasks of coupled model transfer, load transfer, results processing
10) 1D tasks of continuation of coupled model transfer, load transfer, result processing, parameterization
11) Individual work
12) Individual work
13) Presentation of individual work
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Activities
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Fields of study
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Guarantors and lecturers
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Literature
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Basic:
Marius Rosu, et. al. Multiphysics Simulation by Design for Electrical Machines, Power Electronics and Drives. Piscataway, USA, 2018. ISBN 978-1-119-10344-8.
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Recommended:
Karel Fraňa. CFD v magnetohydrodynamice a průmyslové aplikace. Technická univerzita v Liberci, 2015. ISBN 978-80-7494-191-7.
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Recommended:
Pletcher, Richard H.; Anderson, Dale A.; Tannehill, John C. Computational fluid mechanics and heat transfer. 3rd ed. Boca Raton : CRC Press, 2013. ISBN 978-1-59169-037-5.
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Recommended:
Lee, Huei-Huang. Finite element simulations with ANSYS workbench 15. Mission : SDC, 2014. ISBN 978-1-58503-907-4.
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Recommended:
Krämer, Volker. Praxishandbuch Simulationen in SolidWorks 2010 : Strukturanalyse (FEM), Kinematik/Kinetik, Strömungssimulation (CFD). München : Hanser, 2010. ISBN 978-3-446-42165-3.
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On-line library catalogues
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Time requirements
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Full-time form of study
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Activities
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Time requirements for activity [h]
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Individual project (40)
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40
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Presentation preparation (report) (1-10)
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5
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Practical training (number of hours)
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39
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Total
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84
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Prerequisites
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Knowledge - students are expected to possess the following knowledge before the course commences to finish it successfully: |
describe electromagnetic fields, temperature fields and their behavior in different environments |
describe the basic theory of electrical machines |
explain the construction of electrical machines (geometry, materials) |
be familiar with circuit theory |
Skills - students are expected to possess the following skills before the course commences to finish it successfully: |
to convert a 3D object into a 2D sketch (drawing) and vice versa |
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Learning outcomes
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Knowledge - knowledge resulting from the course: |
explain the possibilities of finite element method in electromagnetic and thermal field calculations |
describe the principles of loss heat generation in electrical machines |
describe cooling of electrical machines |
explain the essence of boundary conditions in the analysis of thermal problems in electrical machines |
Skills - skills resulting from the course: |
to analyze thermal field of electrical machine |
select appropriately the types of boundary conditions |
select appropriatelycomputational mesh settings and correctly decide on the choice of a particular solver |
discuss the results |
Competences - competences resulting from the course: |
N/A |
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Assessment methods
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Knowledge - knowledge achieved by taking this course are verified by the following means: |
Skills demonstration during practicum |
Seminar work |
Skills - skills achieved by taking this course are verified by the following means: |
Skills demonstration during practicum |
Seminar work |
Competences - competence achieved by taking this course are verified by the following means: |
Seminar work |
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Teaching methods
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Knowledge - the following training methods are used to achieve the required knowledge: |
Practicum |
Lecture with visual aids |
Skills - the following training methods are used to achieve the required skills: |
Task-based study method |
Competences - the following training methods are used to achieve the required competences: |
Individual study |
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