Institutul de Matematică şi Informatică "Vladimir Andrunachievici"
Universitatea de Stat din MoldovaRO EN
Linear stability bounds in a convection problem for variable gravity field.
Authors: Ioana Dragomirescu, Adelina Georgescu
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Abstract
A problem governing the convection-conduction in a horizontal layer bounded by rigid walls of a fluid heated from below for a linearly decreasing across the layer gravity field is reformulated as a variational problem. Stability bounds from the case of classical convection [1] and the case of convection in a linearly decreasing across the layer gravity field are compared. The new criterion, which yields good stability bounds for the stability limit, is shown by the numerical evaluations obtained in [2-4].E-mail: ,
Fulltext
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Contents
- Lie algebras of operators and invariant GL(2, ℜ)-integrals for Darboux type differential systems.
- Measure of stability for a finite cooperative game with a generalized concept of equilibrium.
- Collocation and Quadrature Methods for Solving Singular Integral Equations with Piecewise Continuous Coefficients.
- Criterion of parametrical completeness in the 6-element non-chain extension of Intuitionistic logic of A. Heyting.
- Linear stability bounds in a convection problem for variable gravity field.
- A new method for computing the number of n-quasigroups.
- The GL(2, ℜ)-orbits of polynomial differential systems of degree four.
- A Linear Parametrical Programming Approach for Studying and Solving Bilinear Programming Problem.
- On topological torsion LCA groups with commutative ring of continuous endomorphisms.
- Natural classes and torsion free classes in categories of modules.
- Finite difference schemes for problems of mixture of two component elastic materials.
- Characteristic functions of Markovian random evolutions in ℜm.
- Nearly simple elementary divisor domains.
- Factorization theorems for some spaces of analytic functions.
