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137 337 (0,182s) •

Result

Non-local Damage Model Based on Displacement Averaging

Continuum damage models describe the changes of material stiffness and strength, caused by the evolution of defects, in the framework of continuum mechanics. In many materials, a fast evolution of defects leads to stress-strain laws...

JJ - Ostatní materiály

  • 2005
    • •
  • Jx
Result

Non-local Damage Mechanics with Application to Concrete

This paper explains the basic concepts of continuum damage mechanics and its non-local formulation. Using one- and two-dimensional examples, it is shown technique can be based on the non-local formulation,...

JJ - Ostatní materiály

  • 2004
    • •
  • Jx
Result

Continuum Theory of Evolving Dislocation Fields

Continuum theory of moving dislocations is used to set up a non-local constitutive laws for crystal plasticity. The key equation is identified as a transport equation of diffusion-convection type......

BE - Teoretická fyzika

  • 2007
    • •
  • Jx
Result

Crystal Lattice Misorientation Treated as Plastic Instability Phenomenon

are treated as an instability of non-linear continuum mechanics origin, in quite the same way as the localization of deformation in shear bands and necking. Accordingly, plastic deformation becomes spontaneously non

BM - Fyzika pevných látek a magnetismus

  • 2002
    • •
  • D
Result

Dynamics of the non-linear continuum

The paper presents a algorithm for the dynamic problems solution of the non-linear continuum mechanics. Motion of the continuum is describe by means of the total Lagrange´s formulation and for the spatial discretization of ...

BI - Akustika a kmity

  • 1999
    • •
  • C
Result

Mechanisms Controlling the Size of Misoriented Cells

(local) approach, the continuum theory predicts an infinitesimally small cell size themselves. Both interactions introduce non-local terms into the theory. Within energy tends to decrease the cell size, while ...

BE - Teoretická fyzika

  • 2004
    • •
  • D
Result

An arcwise connected continuum without non-boundary proper arcwise connected subcontinua

A specified continuum is constructed answering a question of its existence.

BA - Obecná matematika

  • 2002
    • •
  • Jx
Result

Models for Quasibrittle Failure: Theoretical and Computational Aspects

Deals with various aspects of the computational analysis of strain localization and failure in quasibrittle materials. Overview of different approaches is given, including cohesive discontinuitis, softening continuum models and full...

JM - Inženýrské stavitelství

  • 2001
    • •
  • A
Result

Oxford Calculators

Basic themes of document: LIber calculationum; local motion; self-referential paradoxes; continuum; Merton College...

History (history of science and technology to be 6.3, history of specific sciences to be under the respective headings)

  • 2018
    • •
  • C
Result

Numerical approximation of rate-independent non-local damage problems

In this contribution, we present a theoretically-supported numerical algorithm for the determination of stable damage paths for a non-local isotropic damage model of the Fremond-Nejdar type. The modelling framework is provided by re...

JN - Stavebnictví

  • 2009
    • •
  • D
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