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Position Indication:

Content

Master

Nonlinear Field Theories of Mechanics (Nichtlineare Feldtheorien der Mechanik)

Type

KV

Lecturer

Prof. Irschik

Weekly hours/ECTS

2.00/2.50

Exam

written exam and homework

Course content:
Fundamental concepts of non-linear continuum mechanics in a non-cartesian description, as realized in modern FE-formulations, such as ABAQUS

      

Rotordynamics (Rotordynamik)

Type

VO

UE

Lecturer

Dr. Holl

Dr. Holl

Weekly hours/ECTS

2.00/3.00

1.00/1.25

Exam

oral and written exam

oral and written exam

Course content:
The students learn about models, computational modelling methods and phenomena in the field of rotor dynamics
• Introduction to the dynamics of machines, structures and rotors
• Equations of motion, discretization of simple rotating structures
• Vibration isolation
• Static and dynamic model reduction, modal and bi-modal analysis
• Jeffcott rotor, outer and inner damping, gyroscopic effect, variation oft he rotation speed, vibrations of blades
• Fluid film bearing, Magnetic bearing, rotor with crack

Computation of examples of the dynamics of machines, structures and rotors

      

Advanced Computational Methods in Mechanics (Höhere Computergestützte Methoden der Mechanik)

Type

VO

UE

Lecturer

Dr. Humer

Dr. Humer

Weekly hours/ECTS

2.00/3.00

1.00/1.25

Exam

homework, presentation of theoretical
and programmed examples, discussion

homework, presentation of theoretical
and programmed examples, discussion

Course content:
The students should get an overview about the possibilities of computational methods in mechanics and should also attain the ability to collect material about specific computational methods, to present and program them within simplified computer codes.
• Advanced computer-aided methods in mechanics
• Stress and strain measures in continuum mechanics including discussion of stress and strain rates
• Nonlinear finite element methods for structural and solid finite elements
• Advanced methods formultibody system dynamics
• Material models and basics of elasto-plasticity
• Time integration methods

      

Mechanics of Smart Structures (Mechanik intelligenter Konstruktionen)

Type

VO

UE

Lecturer

Prof. Irschik

Prof. Irschik

Weekly Hours/ECTS

2.00/3.00

1.00/1.25

Exam

written and oral

written and oral

Course content:
• Fundamentals of linearized piezoelasticity
• Dynamic shape control
       Actuator design; elimination, tracking and combined problems; use of piezoelectric actuators
• Monitoring of mechanical entities
       Sensor design; classification of different sensor classes (modal sensors, etc); use of piezoelectric sensors
• Collocated actuators/sensors
       Relation between actuator and sensor design; simple control strategies
• Case studies:
       Beams, frames, discs and plates

      

Advanced Strength of Materials (Höhere Festigkeitslehre)

Type

VO

Lecturer

Prof. Irschik

Weekly Hours/ECTS

2.00/3.00

Exam

written

Course content:
Fundamental concepts of the mechanics of thin-walled structures (plates, shells, thermal stresses)

      

Experimental and Numerical Methods in Mechanics (Experimentelle und Numerische Methoden in der Mechanik)

Type

VO

PR

Lecturer

Dr. Holl

Dr. Holl

Weekly Hours/ECTS

2.00/3.00

2.00/3.00

Exam

written exam

active work, protocol

Course content:
The students learn the advantages and disadvantages of the discussed methods of mechanics.
• Experimental modal analysis
• Acoustic measurements, basics in acoustics
• Accuracy of the numerical and experimental methods
• Error propagation, discretisation error
• Applicaton of window functions
• Application of filters

      

Modern Trends in Engineering Mechanics (Neuere Arbeiten aus Technischer Mechanik)

Type

SE

Lecturer

Prof. Irschik

Weekly hours/ECTS

2.00/3.00

Exam

 

Course content:
In this course modern trends in engineering mechanics will be discussed, whereat the main focus is on the discussion about trends with practical relevance.

      

Selected Topics in Computational Methods in Mechanics (Ausgewählte Kapitel der Computergestützten Methoden der Mechanik)

Type

KV

Lecturer

Dr. Fotiu

Weekly hours/ECTS

2.00/3.00

Exam

 

• Spezialkapitel über Finite Elemente: Spannungsberechnungen, Patch
Test, Shear locking, Trapezoidal locking, Reduzierte Integration,
Hourglassing, Hourglass Control, Inkompatible Moden
• Gemischte Methoden: Elemente mit gemischten Ansätzen, Erweiterte
Variationsprinzipien (Hu-Washizu, Hellinger-Reissner), Assumed
Strain Methode

      

Modelling in the vibration theory (Modellbildung in der Technischen Schwingungslehre)

Type

KV

Lecturer

Prof. Belyaev

Weekly hours/ECTS

2.00/3.00

Exam

oral

Course content:
• Forces in vibrations
• Static and dynamic loads
• Discretisation of mechanical systems
• Instability of non-conservative dynamical systems
• Choice of the generalized coordinates and consequences of the incorrect choice
• Application of the variational principle by Hamilton for derivation of the boundary-value problems
• Modal analysis and convergence
• Improvement of convergence in the three-dimensional case using integral transformations
• Sensitivity of the buckling load to the load application method
• Robustness of modelling
• Ziegler’s paradoxon and search for critical parameters

      

Selected topics in the vibration theory (Ausgewählte Kapitel der Schwingungslehre)

Type

KV

Lecturer

Prof. Belyaev

Weekly hours/ECTS

2.00/3.00

Exam

oral

Course content:
• Introduction. Existing approaches for handling the engineering structures
• Dynamic properties of the complex engineering structures as a prerequisite of the modelling
• Kinetic and potential energy of complex engineering structures. Work of external forces
• Derivation of dynamic equations for complex engineering structures in time domain
• Dynamic equations for complex engineering structures in frequency domain
• Harmonic vibration in complex engineering structures
• Non-stationary vibration in complex engineering structures
• Local vibration in complex engineering structures
• High-frequency dynamics of structures
• Thermodynamic methods in high-frequency dynamics of structures. Vibrational conductivity approach

      

Vehicle dynamics (Fahrdynamik)

Type

KV

Lecturer

DI Unger

Weekly hours/ECTS

2.00/3.00

Exam

oral

Course content:

      

Seminar for Diplomastudents 1 (Diplomandenseminar 1)

Type

SE

Lecturer

Prof. Irschik

Weekly hours/ECTS

4.00/6.00

      

Seminar for Diplomastudents 2 (Diplomandenseminar 2)

Type

SE

Lecturer

Prof. Irschik

Weekly hours/ECTS

4.00/6.00

      

Master Thesis Seminar (Masterarbeitsseminar)

Type

SE

Lecturer

Prof. Irschik

Weekly hours/ECTS

2.00/3.00