Search results for: Miroslav Holeček

Items from 1 to 7 out of 7 results

chapter

Some Aspects of Vitrification, Amorphisation and Disordering and the Generated Extent of Nano-Crystallinity

Jaroslav Šesták, Carlos A. Queiroz, Jiří J. Mareš, Miroslav Holeček

Hot Topics in Thermal Analysis and Calorimetry > Glassy, Amorphous and Nano-Crystalline Materials > 59-75

Historically, glass is often viewed as a remarkable translucent substance though usually made from the simplest raw materials upon the effect of firing. Nature, itself, is the best instance to learn how different temperature changes can provide various glassy states, altering from very slow rates occurring within geological time scales (e.g. obsidians – glassy volcanic rocks consisting of natural...

chapter

Modelling the Smooth Muscle Tissue as a Dissipative Microstructured Material

Fanny Moravec, Miroslav Holeček

Lecture Notes in Applied and Computational Mechanics > Mechanics of Microstructured Solids > 101-108

A highly simplified model of the smooth muscle tissue is formed to study a special form of viscous effects occurring in living tissues. Namely, when a sample of the tissue is deformed, the fluid in the extracellular matrix has to move because it is extruded from one places into others. This phenomenon contributes into the global viscous properties of the tissue. That contribution is studied by means...

article

Polomnožiny a matematika možného

Miroslav Holeček

Filosofický časopis (Philosophical Journal) > 2016 > 64 > 4 > 601-618

Alternative set theory (AST), or the theory of semisets, the spiritual father of whom is the well-known mathematician Petr Vopěnka, has never received wide recognition and at the present time is subject to neglect. In spite of this, however, it is a conception which is notable for its absolute straightforwardness and for the fundamentally different way in which it mathematises the concept of indeterminacy:...

article

Self-measurability in rapid thermal processes

Miroslav Holeček

Journal of Thermal Analysis and Calorimetry > 2015 > 120 > 1 > 217-221

The dynamics of heat conduction may be interpreted (at least in special situations) as the process in which small pieces of media measure a delayed temperature of their surroundings. This “self-measurability” is a very useful concept when interpreting measurements of temperature in rapid thermal processes, e.g., for the use of thermal analysis. The self-measurability condition describes the temperature...

article

The simple model of cell prestress maintained by cell incompressibility

Jan Vychytil, Miroslav Holeček

Mathematics and Computers in Simulation > 2010 > 80 > 6 > 1337-1344

Living cells are reinforced by polymer fibers (the so-called cytoskeleton) which are responsible for their mechanical behaviour. There are many evidences that these fibres are prestressed without an external load. To include this prestress into mechanical models of living tissues is not an easy task. We propose an approach in which the intracellular prestress is maintained by the incompressibility...

article

Hyperelastic model of a material which microstructure is formed by “balls and springs”

Miroslav Holeček, Fanny Moravec

International Journal of Solids and Structures > 2006 > 43 > 24 > 7393-7406

We develop a model of an incompressible material which microscopic structure is formed by flexible but incompressible balls connected mutually by linear springs. The model is motivated by the structure of smooth muscle tissues that exhibit perfect elastic (or visco-elastic) behavior in a large extent of deformations. Moreover, their bulk (macroscopic) stiffness may be very effectively controlled and...

article

Scale continuum approach in biomechanics: a simple simulation of a microstructural control of tissues' stiffness

Miroslav Holeček, Olga Červená, Fanny Poirier

Mathematics and Computers in Simulation > 2003 > 61 > 3-6 > 583-590

We construct a simple model of an elastic material whose stiffness can be effectively controlled by an appropriately chosen set of microstructural parameters. The model is based on ideas of the scale-dependent continuum description and might play an important role in modelling of muscle tissues in biomechanics.

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Search results for: Miroslav Holeček

Some Aspects of Vitrification, Amorphisation and Disordering and the Generated Extent of Nano-Crystallinity

Modelling the Smooth Muscle Tissue as a Dissipative Microstructured Material

Polomnožiny a matematika možného

Self-measurability in rapid thermal processes

The simple model of cell prestress maintained by cell incompressibility

Hyperelastic model of a material which microstructure is formed by “balls and springs”

Scale continuum approach in biomechanics: a simple simulation of a microstructural control of tissues' stiffness

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