GosNIIAS

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Bondarev A.E.,RAS Keldysh Institute of Applied Mathematics | Bondarenko A.V.,GOSNIIAS | Galaktionov V.A.,RAS Keldysh Institute of Applied Mathematics | Klyshinsky E.S.,National Research University Higher School of Economics
Scientific Visualization | Year: 2016

The paper considers the problems of visual analysis of clusters for multidimensional textual datasets. To analyze clusters in original data volume the elastic maps are used as the methods of original data points mapping to enclosed manifolds having less dimensionality. Diminishing the elasticity parameters one can design map surface which approximates the multidimensional textual dataset in question much better. This approach of elastic maps does not require any apriori information about data in question and does not depend on data nature, data origin, etc. Probabilistic algorithm tSNE (tdistributed stochastic neighbor embedding) has similar properties and is quite close in ideology to elastic maps. The paper describes the results of both (elastic maps and tSNE) approaches application to visual analysis of clusters in multidimensional textual datasets. For elastic maps a technology QuasiZoom is proposed. This technology allows to improve the results of cluster analysis in the fields of data points concentration. Presented results illustrate an efficiency and applicability of both approaches to cluster analysis of natural language terms.


Andreev S.V.,RAS Keldysh Institute of Applied Mathematics | Bondarev A.E.,RAS Keldysh Institute of Applied Mathematics | Bondarenko A.V.,GOSNIIAS | Vizilter Y.V.,GOSNIIAS | And 12 more authors.
Scientific Visualization | Year: 2015

The work is devoted to simulation and visualization of blade assembly for power plant (PP), which is the installation of vertical type and has a very complicated shape. The main goal is simulation of operating mode under load. Constructing of mathematical model and 3D calculation grid (both static and dynamic ones) as well as organization of the visual presentation to verify constructing model and obtained results are considered. Complete technological pipeline that allows simulating PP from constructing original CAD model up to visualization of results in stereo mode is implemented. The results of numerical simulation are the base to solve further the problem of global optimization of the PP shape in order to develop the optimal operating parameters.


Khoroshilov A.,Russian Academy of Sciences | Koverninskiy I.,GosNIIAS | Petrenko A.,Russian Academy of Sciences | Ugnenko A.,Russian Academy of Sciences
Proceedings - 2011 16th IEEE International Conference on Engineering of Complex Computer Systems, ICECCS 2011 | Year: 2011

The paper presents a case study of building solution for automation of Integrated Modular Avionics system design and system integration processes within existing industrial environment on base of model driven approaches. Features of modern architecture description language are discussed and experience of building a tool chain on top of one of them is described. © 2011 IEEE.


Khoroshilov A.,Russian Academy of Sciences | Koverninskiy I.,GosNIIAS | Olshanskiy M.,GosNIIAS | Petrenko A.,Russian Academy of Sciences | Ugnenko A.,Russian Academy of Sciences
European Space Agency, (Special Publication) ESA SP | Year: 2012

The paper presents a model-based tool chain for system design and system integration of integrated modular avionics in civil aviation domain. It describes architecture of the tool chain, its current state, use cases supported and future directions of development.


Khoroshilov A.,Russian Academy of Sciences | Albitskiy D.,GosNIIAS | Koverninskiy I.,GosNIIAS | Olshanskiy M.,GosNIIAS | And 2 more authors.
SAE International Journal of Aerospace | Year: 2012

The paper presents an AADL-based toolset for Integrated Modular Avionics (IMA) design and integration. It describes activities of IMA system designer and system integrator that are supported by the toolset as well as its current architecture and future directions of development. © 2012 SAE International.

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