THERMAL SCIENCE
International Scientific Journal
CONTROL OF THERMAL STRESSES IN AXISSYMMETRIC PROBLEMS OF FRACTIONAL THERMOELASTICITY FOR AN INFINITE CYLINDRICAL DOMAIN
ABSTRACT
In this paper, we study a control problem of thermal stresses in an infinite cylindrical body. The temperature distribution is defined by the time-fractional heat conduction equation with the Caputo derivative of the order 0 < α ≤ 2. The problem is formulated for axisymmetric case. The sought-for heat source function is treated as a control of stress and displacement components. For this purpose, we find the control function which guarantees the distribution of the stress component in some section of a body and at some time at a prescribed level. Integral transform technique is applied to obtain the desired control function, stresses and displacement components. Numerical results are illustrated graphically.
KEYWORDS
PAPER SUBMITTED: 2016-04-21
PAPER REVISED: 2016-05-20
PAPER ACCEPTED: 2016-06-25
PUBLISHED ONLINE: 2016-10-01
THERMAL SCIENCE YEAR
2017, VOLUME
21, ISSUE
Issue 1, PAGES [19 - 28]
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