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Finite Element Analysis of Influence of Non-homogenous Temperature Field on Designed Lifetime of Spatial Structural Elements under Creep Conditions

S.O. Pyskunov

S.O. Pyskunov

Kyiv National University of Construction and Architecture, Povitroflotskiy AvenueKyiv, Ukraine
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Pyskunov, S.O.
, 
Yu.V. Maksimyk

Yu.V. Maksimyk

Kyiv National University of Construction and Architecture, Povitroflotskiy AvenueKyiv, Ukraine
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Maksimyk, Yu.V.
 and 
V.V. Valer

V.V. Valer

Kyiv National University of Construction and Architecture, Povitroflotskiy AvenueKyiv, Ukraine
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Valer, V.V.
  
Apr 22, 2016
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Published Online: Apr 22, 2016
Page range: 253 - 262
Received: Dec 25, 2015
Accepted: Apr 21, 2016
DOI: https://doi.org/10.21042/AMNS.2016.1.00020
Keywords
© 2016 S.O. Pyskunov, Yu.V. Maksimyk, V.V. Valer, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

Two-dimentional finite element in general (left) and local coordinate system.
Two-dimentional finite element in general (left) and local coordinate system.

Fig. 2

SFEM discrete model of prismatic inhomogeneous body.
SFEM discrete model of prismatic inhomogeneous body.

Fig. 3

Gas turbine blade.
Gas turbine blade.

Fig. 4

Root of gas turbine blade: design scheme (left) and SFEM discrete model.
Root of gas turbine blade: design scheme (left) and SFEM discrete model.

Fig. 5

Change in time of dimensionless stress intensity (left), and damage parameter.
Change in time of dimensionless stress intensity (left), and damage parameter.

Fig. 6

Gas turbine blade: finite element model (left), and temperature distribution in blade fragment.
Gas turbine blade: finite element model (left), and temperature distribution in blade fragment.

Fig. 7

Changing of stresses across the height of the blade (left), time-dependent damage parameter values.
Changing of stresses across the height of the blade (left), time-dependent damage parameter values.
Language:
English
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Journal Subjects:
Life Sciences, Life Sciences, other, Mathematics, Applied Mathematics, General Mathematics, Physics, Physics, other
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