THERMAL SCIENCE
International Scientific Journal
PERIODIC SOLUTION OF FRACTAL PHI-4 EQUATION
ABSTRACT
This paper focuses on a fractal Phi-4 equation with time-space fractal derivatives, though its solitary solutions have been deeply studied, its periodic solution was rarely revealed due to its strong non-linearity. Now the condition is completely changed, He’s frequency formulation provides with a universal tool to having a deep insight into the periodic property of the fractal Phi-4 equation. The two-scale transform is used to convert approximately the fractal Phi-4 equation a differential model, and a criterion is suggested for the existence of a periodic solution of the equation, the effect of fractal orders on the periodic property is also elucidated.
KEYWORDS
PAPER SUBMITTED: 2020-05-02
PAPER REVISED: 2020-05-31
PAPER ACCEPTED: 2020-05-31
PUBLISHED ONLINE: 2021-01-31
THERMAL SCIENCE YEAR
2021, VOLUME
25, ISSUE
Issue 2, PAGES [1345 - 1350]
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