Lectures

Modelling of yield surface distortion in the finite strain range

Lecture - November 15, 2017 (Wednesday), 10:00-12:00
Prof. A.V. Shutov, Lavrentyev Institute of Hydrodynamics, Novosibirsk State University

The talk is devoted to the phenomenological modelling of the stress response of metallic materials subjected to non-proportional loading conditions. As a preliminary step, a class of two-dimensional rheological models is introduced, capable of capturing the initial and strain-induced anisotropies of the analyzed material.  »»» 

Deformation-Induced Anisotropy in Porous Metals: Constitutive modeling and computational issues

Lecture - November 14, 2017 (Tuesday), 10:00-12:00
Prof. Nikolaos Aravas, Department of Mechanical and Industrial Engineering, University of Thessaly, Greece

A constitutive model for a porous metal subjected to general three-dimensional finite deformations is presented. The model takes into account the evolution of porosity and the development of anisotropy due to changes in the shape and the orientation of the voids during deformation. The pores are initially ellipsoidal and distributed randomly in an elastic-plastic matrix (metal). Under finite plastic deformation, the voids are assumed to remain ellipsoids, and to change their volume, shape, and orientation.  »»» 

Lectures "Biomass Drying – Experimental Investigation and Theoretical Analysis" and "ORC Turbine Flow Path Analysis and Design"

Lecture - 6 December 2016, 10.00
Dr. Jacek Žabski, Mgr. Roman Rusakov, Institute of Fluid Flow Machinery, Polish Academy of Science, Gdańsk

The Institute of Thermomechanics is inviting you to two lectures of our colleagues from the Institute of Fluid Flow Machinery of the Polish Academy of Science, Gdańsk, which will be held on 6 December 2016 at 10:00 in the "club room" at Dolejškova 1402/52, 182 00, Prague 8.  »»» 

Rotation-free parametrization and isogeometric analysis of shear deformable plates and shells

Lecture - 17 August 2016 (Wednesday), 10:00
Prof. Dr.-Ing. habil. Manfred Bischoff, Institut für Baustatik und Baudynamik, Universität Stuttgart

 The Czech Society for Mechanics and the Institute of Thermomechanica of the CAS invites you to the lectore of Prof. Dr.-Ing. habil. Manfreda Bischoffa, Institut für Baustatik und Baudynamik, Universität Stuttgart.  »»» 

Aerodynamic Control using Virtual Surface Modification

Lecture - 12 October 2015 (Monday), 13:30
prof. Ari Glezer, Woodruff School of Mechanical Engineering, Georgia Institute of Technology

The Czech Society for Mechanics and the Institute of Thermomechanica of the CAS invites you to the lectore of prof. Ari Glezer from the Woodruff School of Mechanical Engineering, Georgia Institute of Technology.  »»» 

Influence of pressure gradient on vortical structures generation in turbulent boundary layer

Lecture - December 5, 2014 (Friday), 10:30-11:00
Prof. Witold Elsner, Technical University of Częstochowa, Institute of Thermal Machinery

Abstract: The presentation of the authors Drozdz A., Elsner W. will show new achievements in the research of a turbulent boundary layer structure and effect of pressure gradient.

Numerical and Experimental Modelling of Gas – Liquid Flow in Packed Bed

Lecture - December 5, 2014 (Friday), 10:00-10:30
Prof. Stan Drobniak, Technical University of Częstochowa, Institute of Thermal Machinery

Abstract: Presentation of recent results of the long-time project on gas-liquid flow in packed bed by collective of authors: D. Asendrych, P. Niegodajew, M. Marek, S. Drobniak, W. Elsner.

Understanding the fluid mechanics of synthetic jets for flow separation control

Lecture - June 10, 2014 (Tuesday), 10:30-11:30
Dr. S. Zhong, Manchester University, UK

We kindly invite you to the lecture of Dr. Shan Zhong from the School of Mechanical, Aerospace and Civil Engineering, Manchester University, UK, entitled „Understanding the fluid mechanics of synthetic jets for flow separation control“. The lecture will take place in the Lecture Room A of the Institute of Thermomechanics ASCR on June 10, 2014 at 10:30.  »»» 

On Thermodynamics of Coal Power-Plants Technology (2 parts)

Lecture - November 29 (Friday), 10:00-11:00
Prof. Witold Elsner, Prof. Stanisław Drobniak, Faculty of Mechanical Engineering and Computer Science, Institute of Thermal Machinery, TU Częstochowa, Poland

DATE CHANGED! The lecture will consist of two parts: 1) Thermo-economical analysis of supercritical coal-fired power unit (will be presented by Prof. W. Elsner); 2) Numerical modelling of CO2 absorption and desorption in CCS installation (will be delivered by Prof. S. Drobniak).  »»» 

Problems of Static and Dynamics Strength of Gas Turbine Elements (in Russian)

Lecture - November 8, 2013 (Friday), 10:00
N. J. Оvcharоva, I. S. Vorobiov, A. N. Podgorny Institute for Mechanical Engineering Problems, NASU, Charkov, Ukraine

The Czech Society for Mechanics kindly invites you to attend the lecture entitled „Problems of Static and Dynamics Strength of Gas Turbine Elements“, which will be presented in Russian by N. J. Оvcharova and I. S. Vorobiov from the A. N. Podgorny Institute for Mechanical Engineering Problems, NASU, Kharkov, Ukraine.  »»» 

OECD-NEA benchmark on MATiS-H experiment

Lecture - March 18, 2013 (Monday), 10.00-11.00
Assoc. Prof. Alex Rashkovan, Physics Department, NRCN Research Center, Beer-Sheva, Israel

Abstract: OECD-NEA benchmark on MATiS-H experiment. Flow downstream of the mixing vanes in fuel rod bundles. Experimental and numerical investigation on heat transfer and fluid mechanics. Extended surfaces heat transfer optimization for High Temperature Gas Cooled Nuclear Reactors fuel rods.

Introduction to Analytical Methods for Heat Transfer Problems

Lecture - October 30, 2012 (Tuesday), 10:00–15:30
Dipl.-Ing. Kathrin Eisenschmidt, Institute of Aerospace Thermodynamics, Stuttgart, Germany

Kathrin Eisenschmidt is a Ph.D. student at the Institute of Aerospace Thermodynamics, University Stuttgart. The three-lecture, introductory course to analytical methods for partial differential equations is aimed (not exclusively) at master's students of technical universities.  »»» 

Partitioned Analysis of Fluid-Sructure Interaction Systems: Origins, Subsequent Developments, and Future Potential

Lecture - October 4, 2012 (Thursday), 10:45
K. C. Park, Professor of Center for Aerospace Structures, University of Colorado, Boulder, Colorado, USA and WCU Invited Professor, Division of Ocean Systems Engineering, School of Mechanical, Aerospace and Ocean System Engineering, AIST, Daejeon, the Republic of Korea

Czech Technical University in Prague, Czech Society for Mechanics and the Institute of Thermomechanics AS CR, v. v. i. invites you to the lecture by K.C. Park, professor of Center for Aerospace Structures, University of Colorado, Boulder, Colorado, USA and WCU Invited Professor, Division of Ocean Systems Engineering, School of Mechanical, Aerospace and Ocean System Engineering, KAIST, Daejeon, the Republic of Korea.  »»» 

Probabilistic Considerations for Growth and Detection of Fatigue Cracks in Aircraft Structures

Lecture - October 4, 2012 (Thursday), 10:00
Jan D. Achenbach, Walter P. Murphy Professor, McCormick School of Engineering and Applied Science, Northwestern University, Illinois, USA

Czech Technical University in Prague, Czech Society for Mechanics and the Institute of Thermomechanics AS CR, v. v. i. kindly invite you to the lecture by Jan D. Achenbach, Walter P. Murphy Professor, McCormick School of Engineering and Applied Science, Northwestern University, Illinois, USA.  »»» 

Energy Conservation Errors of Objective Stress Rates in ABAQUS, ANSYS, LS-DYNA: Their Magnitude and How to Correct Them

Lecture - September 27, 2012 (Thursday), 10:00
Prof. Zdeněk P. Bažant, Northwestern University, Evanston, Illinois, USA

The Czech Society for Mechanics – the expert group for Computational mechanics, the Institute of Thermomechanics AS CR and the Mathematical Institute, Charles University wish to invite you to a lecture, which is a part of the Nečas seminar on continuum mechanics, by  »»» 

Nonlinear Wave Propagation for Nondestructive Testing

Lecture - September 21, 2012, 10:00
Prof. Koen Van Den Abeele, Catholic University of Leuven, Campus Kortrijk, Belgium

We kindly invite you to the lecture by Prof. Koen Van Den Abeeleho from the Catholic University of Leuven, Campus Kortrijk, Belgium entitled Nonlinear Wave Propagation for Nondestructive Testing.  »»» 

Liquid water: a state between two critical points

Lecture - May 30, 2012 (Wednesday),10:00-11:00
prof. Mikhail A. Anisimov, Department of Chemical & Biomolecular Engineering and Institute for Physical Science & Technology, University of Maryland

Přednáška se bude týkat termodynamických a strukturních vlastností kapalné vody, zejména v metastabilním podchlazeném stavu, a vysvětlení anomálií vody na základě hypotézy druhého kritického bodu.

A critical Reynolds number for global instability of rotating disc flow

Lecture - May 15, 2012 (Tuesday),10:00-11:00
Prof. Jonathan Healey, Keele University, Anglie

The flow set up by rotating a disc at constant angular velocity about its axis, in otherwise still fluid, is a classical problem in fluid mechanics. The resulting three-dimensional boundary layer is a useful model for the flow over swept wings and turbine blades.  »»» 

Sliding mode control for electric drives

Lecture - April 11, 2012 (Wednesday), 14:00
Prof. Sergei Ryvkin

The Department of Electric Machines, Drives and Power Electronics cordially invites you to attend the lecture by Prof. Sergei Ryvkin on Wednesday, April 11, 2012 at 14:00 in the Lecture Room A of the Insitute of Thermomechanics ASCR. The lecture is entitled "Sliding mode control for electric drives". Prof. Ryvkin currently works as a leading scientist in the Trapeznikov Institute of Control Sciences of Russian Academy of Sciences in Moscow.  »»» 

Vibrations of steam and gas turbines elements

Lecture - November 22, 2011 (Tuesday), 10:00
Professor Iurii S. Vorobiov

The Czech Society for Mechanics invites you to a lecture entitled Vibrations of steam and gas turbines elements, which will be given by Professor Iurii S. Vorobiov from the A.N. Podgorny Institute for Mechanical Engineering Problems of the National Academy of Sciences of Ukraine, Kharkiv, Ukraine.  »»» 

Numerical and Experimental Studies of Low Reynolds Number Synthetic Jets

Lecture - October 26, 2011 (Wednesday), 10:30-11:30
Dr. Victoria Timchenko, School of Mechanical and Manufacturing Engineering, The University of New South Wales, UNSW Sydney NSW 2052 Australia

Dr. Timchenko is a senior lecturer at the School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, Australia. Her areas of expertise are computational fluid dynamics and heat transfer. Research interests include natural convection and phase change problems; solidification and melting processes under earth gravity and space microgravity conditions; cooling of building integrated photovoltaic systems and microelectronic devices; biomedical applications.  »»» 

Microtemperature as an internal variable

Lecture - September 9, 2011 (Friday), 10:00-10:45
Dr. Arkadi Berezovski, Centre for Nonlinear Studies, Institute of Cybernetics at Tallinn University of Technology, Tallinn, Estonia

Czech Society for Mechanics – the expert group for Computational mechanics and the Institute of Thermomechanics AS CR wish to invite you to a lecture entitled Microtemperature as an internal variable by   »»» 

Periodicity Effects in Linear Vibro-Acoustics

Lecture - September 9, 2011 (Friday), 10:45-11:30
Prof. Sergey Sorokin, Department of Mechanical and Manufacturing Engineering, Aalborg University, Denmark

Czech Society for Mechanics – the expert group for Computational mechanics and the Institute of Thermomechanics AS CR wish to invite you to a lecture entitled Periodicity Effects in Linear Vibro-Acoustics by   »»» 

Bubble Fission and Cavitating Flows

Lecture - August 31, 2011, 13:00-13:45
Prof. Can F. Delale, Işık University, Faculty of Engineering, Department of Mechanical Engineering, Istanbul, Turkey

Prof. Can Fuat Delale received his M.Sc. degree in Physics in 1979 at Lehigh University (USA) and his Ph.D. degree in Fluid Mechanics and Thermodynamics in 1983 at Brown University (USA). He is a member of a number of scientific societies, holder of a number of prizes, fellowships and awards and the referee for a number of distinguished scientific journals. More details about his CV including the list of his publications can be found here.  »»» 

Extending the Reach of the Finite Element Method: Polyhedral Elements, Solution Remapping, and Nonconforming Embedment

Lecture - August 17, 2011, 10:00
Mark M. Rashid, University of California, Davis, USA
Mark M. Rashid is a professor at the Department of Civil and Environmental Engineering of University of California, Davis, California, USA. His research interest include fracture mechanics, computational mechanics, fluid-structure interaction, blast loading, material modeling, plasticity, MEMS.

The presentation is a part of the Presentation Series on Computational Solid Mechanics held on August 3-17, 2011 in the Institute of Thermomechanics ASCR v. v. i.  »»» 

Solution of contact problem of railway brake discs including low cycle fatigue analysis

Lecture - June 28, 2011 (Tuesday), 10.00
Assoc. prof. dr. Matjaž Šraml, University of Maribor, Slovenia

The Czech Society for Mechanics – the expert group for Computational mechanics and the Institute of Thermomechanics AS CR wish to invite you to a lecture by  »»» 

Optimization of coded excitations with Symmetry Analysis: Formalism and applications in NDT...

Lecture - June 3, 2011 (Friday), 10.00
Serge DOS SANTOS, Assoc. Prof. at l’ENI Val de Loire U930 « Imaging and Brain» , Université François Rabelais-INSERM-CNRS

Full title: Optimization of coded excitations with Symmetry Analysis : Formalism and applications in NDT with perspectives in ultrasonic nonlinear imaging of bio-materials  »»» 

Global instability of flow across a junction

Lecture - May 11, 2011 (Wednesday), 10:00-11:00
Prof. Jonathan Healey, Keele University, Anglie

In the stability theory of shear layers, the term `local stability' refers to the stability properties of a particular velocity profile at a given position in the flow. When the basic flow develops the streamwise direction, e.g. in a growing boundary layer, the changing local stability properties can be mapped out downstream. If there are regions of local absolute instability then there is the possibility of a `global instability' of the entire flow. When the basic flow varies slowly in the downstream direction the global stability can be determined from the local stability.  »»» 

Large deformations in mechanics

Lecture - April 13, 2011 (Wednesday), 10:00
Michel Frémond, Dipt. Ingegneria Civile, Univ. Roma II Tor Vergata

Large deformations of a solid are investigated. We use a polar decomposition of gradient matrix F = RW (R is rotation matrix, W is stretch matrix). Large deformations of solids involve local spacial interactions either in an extension or in a rotation. Because local interactions are well described by spacial gradient, matrix W intervene for extensions and matrix gradR intervene for rotations. Thus the free energy depends on W and on gradR. Moreover, free energy takes into account the local impenetrability condition. Reactions to this impenetrability condition are important in constitutive laws.  »»» 

Turbulence in (normal) fluids

Lecture - February 21, 2011 (Monday), 14:00-15:00
Doc. Ing. Václav Uruba, CSc.

Turbulence will be introduced as the typical state of real flowing viscous fluids (historical overview). Attributes of turbulence will be presented (diffusivity, deterministic chaos, fractal structure…). A mathematical model will be introduced and its basic properties will be shown including the Kolmogorov theory. Then a few phenomenological aspects will demonstrate the typical features of the phenomenon (stability, complexity…).


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