In the paper we present the qualitative analysis of rolling motion without slipping of a homogeneous round disk on a horisontal plane. The problem was studied by S. A. Chaplygin, P. Appel and D. Korteweg who showed its integrability. The behavior of the point of contact on a plane is investigated and conditions under which its trajectory is finit are obtained. The bifurcation diagrams are const...

We st udy limi t evolut ions of cellular automata (CA) both theoretically and exp erimentally. We show that eit her all orbits ente r the limit set after less than a finit ely bo unded number of states, or almost all orbits never ent er the limit set . We link this result with a class ification of CAs according to their limit behavior due to Culik et al.: in t he first case, the considered CA b...

the purpose of this article is to determine elements of strategic thinking in the context of iranian organizations and to find out the interactions and relationships among determined elements. a literature review and also in-depth interviews with experts are conducted to identify strategic thinking elements. interpretive structural modeling methodology is used for analyzing and determining the ...

We describe the first application of two mixed finite element methods to equations glacier evolution under different simplifying assumptions, along with a framework for implicit solution coupled velocity-thickness equations. The method uses Raviart-Thomas elements velocity and piecewise constants thickness is reframing classic staggered-grid difference case unstructured triangular meshes. secon...

Obiectivul acestei lucrări este de a analiza prin Metoda Elementului Finit (FEM) şi de a optimiza dimensional radiatoarele frontale ale sistemului de răcire pentru transformatorul electric de putere TTU 630 kVA 20/0.4 kV din punct de vedere al transferului termic maxim. Analiza cu Elemente Finite a fost realizată cu ajutorul programelor software SolidWorks 3D CAD Design şi COSMOSFlow Works 2008...

Deteministic finit state (DFA) automata have emerged as an effective tools for agent modeling applications. The problem of automata learning is to determine a DFA from a series of observation and has recently been studied extensively and a number of algorithms has been proposed. These algorithms can be divided into groups : supervised and unsupervised . In supervised algorithms, we have access ...