A new nonuniform helical dual band antenna was presented. The antenna can be tuned to different frequency bands. An example of an antenna tuned to GSM (900 MHz) and DCS (1800 MHz) bands is presented.â€¦ (More)

Igor N. Egorov, Gennadiy V. Kretinin, Igor A. Leshchenko

2002

The problem of robust design optimization consists in the search for technical solutions that can be implemented in practice with high probability. From mathematical point of view the problem comesâ€¦ (More)

Thermo-mechanical-physical properties of bulk metallic glasses (BMGs) depend strongly on the concentrations of each of the chemical elements in a given alloy. The proposed methodology forâ€¦ (More)

The design software system described here is based on a combination of several software components. These components include optimization, physics-based analysis such as computational fluid dynamicsâ€¦ (More)

Igor N. Egorov, Gennadiy V. Kretinin, Igor A. Leshchenko

2002

Robust Design Optimization is a high priority problem now. The concepts of Robust Design Optimization allow finding an optimal technical solution, accounting that such a technical solution could beâ€¦ (More)

Igor N. Egorov, Gennadiy V. Kretinin, Igor A. Leshchenko

2002

This paper presents the main capabilities of IOSO (Indirect Optimization based on Self-Organization) technology algorithms, which can be used for the optimization of objective functions resultingâ€¦ (More)

Abstract Modern computer technologies now allow us to conduct rather complex mathematical calculations in a relatively short period of time. Thus, it has become possible to employ optimizationâ€¦ (More)

The first lecture in this two-lecture sequence provides background and general concepts. The second lecture provides practical examples. The objective of these two lectures is to provide a modularâ€¦ (More)