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Quadratic programming with separable convex constraints and solving of 3D contact problems with friction
The paper deals with a method for numerical minimization of convex functions with separable convex constraints. Applications to 3D contact problems with friction are shown....
BA - Obecná matematika
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
Convergence of generalized entropy minimizers in sequences of convex problems
Integral functionals based on convex normal integrands are minimized over convex constraint sets. Generalized minimizers exist under a boundedness condition. Sequences of the minimization problems are studied when the c...
BA - Obecná matematika
- 2016 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Convex programming with separable ellipsoidal constraints: application in contact problems with orthotropic friction
The algorithm for constrained minimization of strictly convex quadratic functions subject to simple bounds and separable ellipsoidal constraints is used for numerical solution of discretized 3D contact problems with orthotropic fric...
BA - Obecná matematika
- 2014 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Generalized minimizers of convex integral functionals and Pythagorean identities
Integral functionals based on convex normal integrands are minimized subject to finitely many moment constraints. The effective domain of the value function is described by a modification of the concept of convex core. The ...
BD - Teorie informace
- 2013 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Minimization of Entropy Functionals Revisited
Integral functionals based on convex normal integrands are minimized subject to finitely many moment constraints. The integrands are assumed to be strictly convex by a modification of the concept of convex core. Th...
BA - Obecná matematika
- 2012 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Generalized minimizers of convex integral functionals, Bregman distance, Pythagorean identities
Integral functionals based on convex normal integrands are minimized subject to finitely many moment constraints. The integrands are finite on the positive and infinite on the negative numbers, strictly convex but not neces...
BA - Obecná matematika
- 2012 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Semidefinite programming for optimizing convex bodies under width constraints
We consider the problem of minimizing a functional (such as the area, perimeter and surface) within the class of convex bodies whose support functions are trigonometric polynomials. The convexity constraint is transformed v...
BA - Obecná matematika
- 2012 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Convergence rate of an optimization algorithm for minimizing quadratic functions with separable convex constraints
A new active set algorithm for minimizing quadratic functions with separable convex constraints is proposed by combining the conjugate gradient method with gradient projections. It generalizes recently developed algorithms of quadra...
BA - Obecná matematika
- 2008 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Convex Programming with Separable Elllipsoidal Constraints: Application in Contact Problems with Orthotropic Friction
The chapter deals with a newly developed algorithm for constrained optimization of strictly convex quadratic functions with separable ellipsoidal constraints. The algorithm is used for numerical solution of 3D contact problems with ...
BA - Obecná matematika
- 2014 •
- C
Rok uplatnění
C - Kapitola v odborné knize
Convexity of Models with Directional Distortional Hardening and its Computational Implication
Explicit constraints on elastic-plastic material parameters were derived to guarantee computional model´s convexity in the presence of directional distortional hardening....
JJ - Ostatní materiály
- 2009 •
- D
Rok uplatnění
D - Stať ve sborníku
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