Blow up for non-Newtonian equations with two nonlinear sources
نویسندگان
چکیده
This paper studies the following two non-Newtonian equations with nonlinear boundary conditions. Firstly, we show that finite time blow up occurs on and get a rate an estimate for of equation $k_{t}=(\left \vert k_{x}\right ^{r-2}k_{x})_{x}$, $(x,t)\in (0,L)\times (0,T)\ $with $k_{x}(0,t)=k^{\alpha }(0,t)$, $k_{x}(L,t)=k^{\beta }(L,t)$,$\ t\in $and initial function $k\left(x,0\right) =k_{0}\left( x\right) $,$\ x\in \lbrack 0,L]\ $where $r\geq 2$, $\alpha ,\beta \ $L\ $are positive constants. Secondly, boundary, rates estimates ^{r-2}k_{x})_{x}+k^{\alpha }$, $k_{x}(0,t)=0$, $ $k\left( x,0\right) ,\beta$ $L$ are
منابع مشابه
On the Blow-Up Set for Non-Newtonian Equation with a Nonlinear Boundary Condition
and Applied Analysis 3 Theorem 1.2. Assume that u0 x ∈ C1 0, ∞ is a nonnegative, nonincreasing and compactly supported function, then all the nontrivial solutions u x, t of problem 1.5 occur blow-up; moreover, the blow-up set B u satisfies [ 0, p ( p − 1) p − 2 ) ⊂ B u ⊂ [ 0, p ( p − 1) p − 2 ] . 1.6 Remark 1.3. The nonincreasing assumption on u0 makes the proof much simpler see also 7 . Remark...
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ژورنال
عنوان ژورنال: Hacettepe journal of mathematics and statistics
سال: 2021
ISSN: ['1303-5010']
DOI: https://doi.org/10.15672/hujms.653805