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- Pavel Karban, Václav Kotlan, Ivo Dolezel
- 2016 17th International Conference Computational…
- 2016

Optimization of the process of induction clamping is presented, consisting in finding the optimum shape of the field coil. The objective function takes into account the required expansion of the bore of the clamping head. While the forward problem is, as a coupled task with nonlinear and nonstationary interaction of three physical fields (magnetic field,… (More)

- Pavel Karban, Frantisek Mach, Ivo Dolezel
- Applied Mathematics and Computation
- 2013

Induction heating of nonmagnetic cylindrical billets by rotation in uniform magnetic field produced by static permanent magnets is modeled. Numerical analysis of the process providing the distributions of magnetic and temperature fields is carried out in the monolithic formulation, using our own code based on higher-order finite element method. The… (More)

- Frantisek Mach, Vaclav Starman, Pavel Karban, Ivo Dolezel, Pavel Kus
- IEEE Trans. Industrial Electronics
- 2014

- Pavel Karban, Frantisek Mach, Pavel Kus, David Pánek, Ivo Dolezel
- Computing
- 2013

New code Agros2D for 2D numerical solution of coupled problems is presented. This code is based on the fully adaptive higher-order finite element method and works with library Hermes2D containing the most advanced numerical algorithms for the numerical processing of systems of second-order partial differential equations. It is characterized by several quite… (More)

- Václav Kotlan, Pavel Karban, Bohus Ulrych, Ivo Dolezel, Pavel Kus
- Selected Topics in Nonlinear Dynamics and…
- 2013

- Zdenek Kubík, Denys Nikolayev, Pavel Karban, Jirí Skála, Hromádka Miroslav
- J. Computational Applied Mathematics
- 2014

An electromagnetic valve for control of flow of electrically non-conductive liquids is proposed and modeled. The device contains only one movable part (a cylindrical plunger) whose movement is controlled by a secondary magnetic circuit with a highparameter permanent magnet and current in the field coil. The paper presents its mathematical model that is… (More)

- Lukás Koudela, Pavel Karban, Oldřich Tureček, Ladislav Zuzjak
- Computing
- 2013

Numerical modeling of harmonic acoustic field produced by a common commercial loudspeaker is carried out. The goal is to obtain the directional characteristic of the device. So far, these characteristics could only be obtained by measurements, which was very complicated and also expensive. Another benefit of the model consists in obtaining a reference… (More)

- Denys Nikolayev, Zdenek Kubík, Pavel Karban, Jirí Skála
- Applied Mathematics and Computation
- 2016

When designing a TEM transmission line cell for electromagnetic compatibility susceptibility or immunity tests, its input impedance must be properly defined in order to deliver the maximum power to the device under test. The closed-form solution, relating the cell geometry with the characteristic impedance Z c , is possible only for the simplest “canonical”… (More)

- Vaclav Starman, Jan Kacerovský, +7 authors Ivo Dolezel
- 2013

Comparison of several types of electrostatic micro-actuators is carried out, particularly with respect to their resultant force effects. The continuous mathematical model of such actuators is mostly described by the Laplace equation. In this paper, its numerical solution is performed by a fully adaptive higher-order finite element method, using a code… (More)