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Volume 145 (2018)

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MATEC Web of Conferences

Volume 145 (2018)

NCTAM 2017 – 13^th National Congress on Theoretical and Applied Mechanics

Sofia, Bulgaria, September 6-10, 2017
V.M. Vassilev, S.G. Nikolov, M.D. Datcheva and Y.P. Ivanova (Eds.)

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Statement of Peer review

Published online: 09 January 2018

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About the conference

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General Mechanics

Open Access

Analysis of the susceptibility in a fluid system with Neumann – plus boundary conditions 01001

Peter Djondjorov, Vassil Vassilev and Daniel Dantchev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814501001

Open Access

Study of soccer ball flight trajectory 01002

Juliana Javorova and Anastas Ivanov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814501002

Open Access

Dynamical behaviour of a compound elastic pendulum 01003

Svetoslav Nikolov and Daniela Zaharieva

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814501003

Open Access

Examination of the possibility of transborder pollution in the days with registered excee-dances of pollutant dust in the city of Ruse, Bulgaria 01004

Antoaneta Stefanova, Ivanka Zheleva, Margarita Filipova and Irina Tsvetkova

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814501004

Open Access

Potential of multispectral imaging technology for assessment coniferous forests bitten by a bark beetle in Central Bulgaria 01005

Marina Stoyanova, Alexander Kandilarov, Vesselin Koutev, Olga Nitcheva and Polya Dobreva

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814501005

Open Access

Simulations and experimental evaluation of an active orthosis for interaction in virtual environments 01006

Mihail Tsveov, Pavel Venev, Dimitar Chakarov and Ivanka Veneva

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814501006

Open Access

Statistical analysis of ambient air PM10 contami-nation during winter periods for Ruse region, Bulgaria. 01007

Irina Tsvetanova, Ivanka Zheleva, Margarita Filipova and Antoaneta Stefanova

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814501007

Open Access

On the effects from the simultaneous occurrence of the critical Casimir and dispersion forces between conical colloid particle and a thick plate immersed in nonpolar critical fluid 01008

Galin Valchev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814501008

Open Access

Order parameter profiles in a system with Neumann – Neumann boundary conditions 01009

Vassil M. Vassilev, Daniel M. Dantchev and Peter A. Djondjorov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814501009

Open Access

Statistical modeling of particle mater air pollutants in the city of Ruse, Bulgaria 01010

Evelina Veleva and Ivanka Zheleva

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814501010

Solid Mechanics

Open Access

Theoretical-experimental method of multiscale modelling of two-component materials 02001

Anguel Baltov and Ana Yanakieva

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814502001

Open Access

Study of the mechanical properties of single- layer and multi-layer metallic coatings with protective-decorative applications 02002

Sabina Cherneva, Desislava Guergova, Roumen Iankov and Dimitar Stoychev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814502002

Open Access

Study of the mechanical properties of Ti-and Cr-based multicomponent hard coatings 02003

Tetiana Cholakova, Vasilliy Chitanov, Lilyana Kolaklieva, Roumen Kakanakov, Konstantin Balashev, Bogdan Ranguelov, Velko Rupetchov and Georgi Mishev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814502003

Open Access

Tensile behavior of humid aged advanced composites for helicopter external fuel tank development 02004

Mihaela Condruz, Alexandru Paraschiv, Cristian Puşcaşu and Ionuţ Sebastian Vintilă

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814502004

Open Access

Indentation hardness and modulus of electrochemically deposited triple protective-decorative Cu-Ni-Cr system 02005

Maria Datcheva, Gergana Chalakova, Antonio Nikolov, Rayna Dimitrova, Roumen Iankov, Valentin Kamburov, Dessislava Guergova, Emilia Stoyanova and Dimitar Stoychev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814502005

Open Access

Evaluation by nanoindentation of technological products manufactured by pulse injection molding process 02006

Margarita Natova, Ivan Ivanov, Sabina Cherneva, Maria Datcheva and Roumen Iankov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814502006

Open Access

A correlation between fracture toughness and cohesion strength of molybdenum thermal sprayed coatings 02007

Alexandru Paraschiv, Gheorghe Matache, Cristian Puscasu and Mihaela Grigorescu

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814502007

Open Access

Some considerations on modelling and homogenization of multiphase light alloys 02008

Ludmila Parashkevova

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814502008

Fluid Mechanics

Open Access

Some specifics considering the urban territories river discharge determination 03001

Mila Chilikova-Lubomirova and Daniel Constantin Diaconu

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503001

Open Access

River Hydraulics during Flood Events: The Balkan Experiences 03002

Mila Chilikova-Lubomirova and George Zaimes

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503002

Open Access

Experimental and numerical investigation of plasma parameters in the magnetosheath 03003

Polya Dobreva, Monio Kartalev, Olga Nitcheva, Natalia Borodkova and Georgy Zastenker

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503003

Open Access

A case study of the plasma in the magneto-sheath using the numerical magnetosheath-magnetosphere model and THEMIS measure-ments 03004

Polya Dobreva, Olga Nitcheva and Monio Kartalev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503004

Open Access

Thermoacoustic waves in pulsed Pirani sensor MEMS. Numerical Investigation 03005

Peter Gospodinov, Dobri Dankov, Vladimir Roussinov and Mirona Mironova

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503005

Open Access

Wetting of doubly periodic rough surfaces in Wenzel’s regime 03006

Stanimir Iliev, Nina Pesheva and Pavel Iliev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503006

Open Access

On the modified Reynolds equation for journal bearings in a case of non-Newtonian Rabinowitsch fluid model 03007

Juliana Javorova and Jordanka Angelova

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503007

Open Access

Viscous flow around spherical particles in different arrangements 03008

Tsvetan Kotsev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503008

Open Access

Magnetohydrodynamic calculation of the temperature and wind velocity profile of the solar transition region. Preliminary results. 03009

Todor M. Mishonov, Albert M. Varonov, Nedeltcho I. Zahariev, Rositsa V. Topchiyska, Boian V. Lazov and Stefan B. Mladenov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503009

Open Access

Aerodynamic characteristics and flow field of delta wings with the canard 03010

Saya Mochizuki and Gouji Yamada

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503010

Open Access

Kamchia watershed groundwater recharge assessment by the CLM3 model 03011

Olga Nitcheva, Borislav Milev, Tanya Trenkova, Nina Philipova and Polya Dobreva

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503011

Open Access

Numerical investigation of high temperature synthesis gas premixed combustion via ANSYS Fluent 03012

Dmitry Pashchenko

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503012

Open Access

Technical project for a new water purification solution 03013

Adina Toma, Zheleva Ivanka, Cristian Puşcaşu, Alexandru Paraschiv and Mihaela Grigorescu

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503013

Open Access

Computational fluid dynamics calculus and analysis for gas and water turbines 03014

Valeriu Vilag, Ivanka Zheleva, Jenia Popescu and Krasimir Tujarov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503014

Open Access

Design of short low speed Göttingen type wind tunnel: CFD simulation 03015

Hardy Weisweiler, Jasmina Kojouharova and Roland Dückershoff

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503015

Open Access

Identification of the influence of the heating upon the heat transfer during pyrolysis process used for End-of-Life tires treatment 03016

Ivanka Zheleva, Ivan Georgiev and Margaritka Filipova

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814503016

Biomechanics

Open Access

Efficient control of mechatronic systems in dynamic motion tasks 04001

Desislava Despotova, Petko Kiriazov and Stefan Karastanev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814504001

Open Access

A multiphase flow in the antroduodenum: some results of the mathematical modelling and computational simulation 04002

Marat Kamaltdinov, Peter Trusov and Nina Zaitseva

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814504002

Open Access

Effect of post type on the fracture resistance of endodontically treated premolars 04003

Ekaterina Karteva, Neshka Manchorova, Dessislava Pashkouleva, Donka Keskinova and Stoyan Vladimirov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814504003

Open Access

Biomechanical modelling of bile flow in the biliary system 04004

Alex Kuchumov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814504004

Open Access

Human upper limb manipulator mass center motion and mass moments of inertia variation 04005

Gergana Nikolova, Daniel Dantchev and Alexander Kazakoff

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814504005

Open Access

CAD Design of Human Male Body for Mass–Inertial Characteristics Studies 04006

Gergana Nikolova, Vladimir Kotev and Daniel Dantchev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814504006

Open Access

Biomechanics of the immediate impact of wearing a rigid thoracolumbar corset on gait kinematics and spatiotemporal parameters 04007

Redha Taiar, Alexandra Mitton, Julien Cambier, Islem Guenaoui, Sophie Michel, Ellie Abdi and Guillaume Polidori

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814504007

Non-destructive testing

Open Access

Application of magnetoelastic effects to the evaluation of elastic and plastic strains in steel structural members 05001

Eduard Gorkunov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505001

Open Access

Magnetic flux distribution in a ferromagnetic material magnetized by U-shaped electromagnets of different geometric dimensions types 05002

Anna Povolotskaya, Eduard Gorkunov, Pavel Nosov and Sergey Zadvorkin

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505002

Open Access

Studying the effect of elastic-plastic strain and hydrogen sulphide on the magnetic behaviour of pipe steels as applied to their testing 05003

Anna Povolotskaya, Eduard Gorkunov, Sergey Zadvorkin and Igor Veselov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505003

Open Access

Investigation of the structure, phase composition and physical-mechanical characteristics of high-strength laminated materials which contain corrosion-resistant steels with high nitrogen content 05004

Evgeniia Putilova, Eduard Gorkunov and Sergey Zadvorkin

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505004

Open Access

The interrelationships of magnetic and magneto acoustic-emission characteristics of heat-treated steels of various chemical composition 05005

Vladimir Kostin, Evgeniy Serbin and Olga Vasilenko

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505005

Open Access

High-speed deformation of copper samples with the use of magnetic pulse method 05006

Sergey Krivosheev, Sergey Magazinov and Dmitrii Alekseev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505006

Open Access

Non-destructive monitoring of tensile of mild steel samples by magnetic Barkhausen and ultrasonic methods 05007

Yonka Ivanova

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505007

Open Access

Methods for evaluation of mechanical stress condition of materials 05008

Yordan Mirchev, Pavel Chukachev and Mitko Mihovski

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505008

Open Access

A method of laser ultrasound tomography for solid surfaces mapping 05009

Vasily Zarubin, Anton Bychkov, Alexander Karabutov, Varvara Simonova and Elena Cherepetskaya

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505009

Open Access

Application of Synthetic Aperture Focusing Technique for inspection of plate-like structures using EMAT generated Lamb waves 05010

Yordan Mirchev, Krasimir Staykov and Damyan Ganchev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505010

Open Access

Preparation of sol-gel SiO₂ coatings on steel and their corrosion resistance 05011

Irina Stambolova, Stancho Yordanov, Lyuben Lakov, Sasho Vassilev, Vladimir Blaskov and Bojidar Jivov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505011

Open Access

Mechanical properties of composite coatings of chromium and nanodiamonds on aluminum 05012

Nelly Gidikova, Maciej Sulowski, Marcin Madej, Radoslav Valov and Vladimir Petkov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505012

Open Access

Airborne sound insulation of new composite wall structures 05013

Yonka Ivanova, Todor Partalin, Luben Lakov and Bojidar Jivov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505013

Open Access

Critical defect size assessment in pipelines on a nuclear power plant 05014

Galya Dimova, Vladimir Yurukov and Kiril Djivdjanov

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505014

Open Access

Ageing management in NPP. Effectiveness of the methods for control, examination and monitoring in relation to mechanisms of degradation of mechanical properties 05015

Galya Dimova

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505015

Open Access

Improving of the water preparation systems in the industry thermal power plants 05016

Daniela Choshnova

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505016

Open Access

Bayesian reconstruction of images of objects with high-density inclusions with suppression of artifacts 05017

Sergei Zolotarev, Valery Vengrinovich, Mohsen Mirzavand, Mieteeg Mukhtar and Ivan Georgiev

Published online: 09 January 2018

DOI: https://doi.org/10.1051/matecconf/201814505017