Научная электронная библиотека ULRICH'S Periodicals Directory

Сибирский государственный университет
науки и технологий имени академика М.Ф. Решетнева

Сибирский аэрокосмический журнал
ISSN 2712-8970 (Print) ISSN 2782-5760 (on-line)

Сведения об образовательной организации

UDK 004.38:62 DoI: 10.31772/2587-6066-2018-19-1-82-97
THREE-DIMENTIONAL MODELLING OF EXTERNAL MECHANICAL EFFECTS ON DEVICES AND MACHINERY IN SOLIDWORKS SIMULATION
S. G. Martyushev, A. A. Dement’ev*
Research and Production Center “Polus” 56v, Kirova Sq., Tomsk, 634045, Russian Federation *E-mail: info@polus-tomsk.ru
The applications of space vehicles in the modern world are extensive enough: satellite communication, broadband and narrowband broadcasting, meteorology, scientific research and others. For this reason, modern space vehicles use the latest achievements of science and technology. It allows us to create easy, compact space vehicles with a wide functional. The devices developed in the Research and Production Center “Polus” should meet the requirements of advanced reliability both for regular and for emergency operating modes. One of the scopes of application of such devices is designing of space vehicles. The main task at designing and manufacturing of devices and their components is reliability maintenance. This is a primary requirement to custom-made products for which repair at major failures is extremely labor-consuming. At the same time, serious demands are made to mass, dimensional characteristics, power consumption, payloads, noise characteristics of separate blocks and devices, and other technical parameters. However, it is necessary to consider that at high requirements to characteristics the process of creation of products should be technological. There are various techniques to define reliability of technical devices and their components. One of such ways is carrying out the whole complex of tests simulating a full cycle of operation of the device or a mechanism. However, experimental techniques have essential disadvantages, namely: high cost and long duration. Mathematical modelling allows us to reduce expenses on mock-up designing, engineering time, risks, to reveal weak points, to develop recommendations for strengthening the design and to give preliminary conclusions about firmness of the device to loads. Along with thermal, electrostatic and frequency characteristics, mechanical effects play an important role, i. e. dynamic and static loads. In this paper, the results of modelling of external mechanical effects on the device are presented. Numerical modelling of quasi-static loading and effect on the device of random vibration is conducted and the modal analysis is carried out. Oscillation modes of the first three resonant frequencies of the device, stress, displacements and accelerations diagrams are obtained. Load factors, the maximum values of displacements and accelerations at impact actions are determined.
modelling, mechanical analysis, durability, quasi-static loading, vibration, shock load.
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Martyushev Semen Grigor’evich – Cand. Sc., leading design engineer, JSС “Scientific and Industrial centre

“Polyus”.

Dement’ev Aleksandr Aleksandrovich – Cand. Sc., the 2nd category engineer, JSС “Scientific and Industrial

centre “Polyus”. E-mail: daa024@mail.ru.


  THREE-DIMENTIONAL MODELLING OF EXTERNAL MECHANICAL EFFECTS ON DEVICES AND MACHINERY IN SOLIDWORKS SIMULATION