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Working paper

The theory of virtual simulation of physical processes in onboard electronic means

Моделирование. ПГУ_2018. Федеральное государственное бюджетное образовательное учреждение высшего образования «ПЕНЗЕНСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ» (ПГУ), 2018
Kofanov Y. N.
In this paper, a method of virtual simulation of physical processes for early stages of design of onboard electronic means (OEM) has been developed and investigated. The corresponding virtual model is an integrated model that implements the simultaneous interaction of heterogeneous physical processes: electrical, thermal, mechanical, aerodynamic. This interconnection of physical processes allows for the first time to completely display the dynamic physical state of the supporting structure and the electronic components of the circuit located on it in the virtual model. At the same time, the output functional characteristics of OEM in virtual simulation take natural values that cannot be obtained in full-scale tests, because this full-scale tests are carried out separately and alternately. The visual images of the design and electronic components of OEM with superimposed color fields of temperature distribution, deformation or mechanical accelerations obtained with integrated virtual simulation allow on early stages of design to identify the most stressed and therefore dangerous places of possible overloads.