DOI: 10.17586/2226-1494-2016-16-4-738-744


COMPUTER SIMULATION OF ELECTROMAGNETIC LOG SENSOR STRENGTH CHARACTERISTICS

Y. L. Avanesov, A. S. Voronov, M. I. Evstifeev


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Article in Russian

For citation: Avanesov Y.L., Voronov A.S., Evstifeev M.I. Computer simulation of electromagnetic log sensor strength characteristics. Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2016, vol. 16, no. 4, pp. 738–744. doi: 10.17586/2226-1494-2016-16-4-738-744

Abstract

Subject of Research.The problems of insufficient strength of the EM log sensor are studied. The EM log sensor design for deep-sea vehicles is analyzed; a mathematical model of EM log sensor is built. The design and technological solutions that improve the performance of this type of log are shown. Method. The study was performed using the finite element method in the ANSYS software. The calculations were performed in the static structural module, in which the load was created in the way that simulated the external hydrostatic pressure. To check the reproducibility the analysis of model was carried out by built-in assessment of the quality elements. All materials are taken to be isotropic. Main Results. The ways of increasing the strength of outboard tools for measuring the ship speed are presented. Calculating results of the stress-strain state of devices under the influence of seawater at various depths were obtained by the method of finite element analysis. The technological features of the sensor production are shown. The recommendations for changing the log construction to increase its strength, supported by computer modeling, are given. Practical Relevance. The discussed ways of increasing the strength of the device enable to expand implementation area. The results can be applied in the modernization of the design and construction of new EM log sensor operating at high pressures.


Keywords: deep-sea research, electromagnetic log, strength

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