Abstract
This paper discusses the possibility of going from a structurally inhomogeneous model of the coil to a homogeneous transversely isotropic medium when calculating the thermal drift of a fiber-optic gyroscope in order to economize on computational resources. The transition to the effective characteristics is carried out by means of a series of computational experiments using the method of finite elements and analytic formulas. Satisfactory matching between the models of the materials studied here was demonstrated during the subsequent computation of the thermal drift. Calculated results in accordance with the experimental data are supplied for two layouts of the winding of the fiber coil—quadrupolar and octupolar. It is shown that using a material with effective characteristics reduces the requirement for RAM and calculation time by an order of magnitude.
Published Version
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