National Repository of Grey Literature 19 records found  1 - 10next  jump to record: Search took 0.02 seconds. 
Formulations and constitutive laws for very large strains
Plešek, Jiří
Closing of microcracks under compressive stresses is taken into account in the description of ceramic plasma sprayed materials.
Colloquium on the finite element method 2001
Plešek, Jiří ; Gabriel, Dušan
The proceedings contain 16 full length papers.
Buckling of shells by FEM
Krásný, I. ; Leština, J. ; Plešek, Jiří
Methods presented in the paper: non-linear analyses, the results are real stability limits: classical anal., the results are ideal stability limits which must be reduced by coefficients reflecting the differences between the ideal and real stability l
Numerical implementation of generalized non-linear kinematic hardening rule for elastic-plastic constitutive equations
Papuga, J. ; Plešek, Jiří
The Armstrong-Frederick and Chaboche models were generalized in the framework of non-linear kinematic hardening theory. A procedure for solving the hardening evolution law was implemented within the PMD FEM package. Both the generalized constitutive ml and the way of implementation as well as the differences between the three types of hardening rules are reported in detail.
Engineering mechanics 2001
Poživilová, Alena ; Masák, Jan
The proceedings contain full texts of the contributions from the conference Engineering Mechanics 2001 from the fields Solid mechanics, Dynamics, Fracture mechanics, Biomechanics, Fluid mechanics and Thermomechanics.
Engineering mechanics 2001
Poživilová, Alena ; Masák, Jan
The proceedings contain abstracts of the contributions from the conference Engineering Mechanics 2001 from the fields Solid mechanics, Dynamics, Fracture mechanics, Biomechanics, Fluid mechanics and Thermomechanics.
Vliv aproximačních funkcí, integrace a Poissonova čísla na vlastnosti některých 2D konečných prvků
Pták, Svatopluk
Displacement response of bilinear and biquadratic isoparametric elements is investigated in terms of eigenpairs of stiffness matrices. Analysed matrices are computed for various values of Poissons ratio, degrees of numerical integration and various types of constraints on strain and/or displacement components. Constraints are imposed via projection methods. Stress components and stress invariants corresponding to eigenvectors are also analysed.
Study of mechanics as a search for interrelations
Höschl, Cyril
Author presents examples of analogous problems from various fields of mechanics of elastic solids which are solved using an identical mathematical model. Paper deals also with discrepancies between solutions obteined either by analytical or numerical methods. By the use of functional analysis, an interrelation is found between methods of solution of discrete and continuum models. The limitations of the linear theory of elsticity are discussed.
Colloquium on the finite element method 2000
Plešek, Jiří ; Gabriel, Dušan
The proceedings contains ?cislo? full length papers.

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