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Št. zadetkov: 3
New class of sixth-order nonhomogeneous p(x)-Kirchhoff problems with sign-changing weight functions
Mohamed Karim Hamdani, Nguyen Thanh Chung, Dušan Repovš
Izvirni znanstveni članek
Oznake: variable exponents;Kirchhoff type problems;p(x)-triharmonic operator;sign-changing functions;concave-convex terms;Ekeland's variational principle;multiple solutions;
In this paper, we prove the existence of multiple solutions for the following sixth-order ▫$p(x)$▫-Kirchhoff-type problem ▫$$\begin{cases} -M\left( \int\limits_{\it \Omega} \frac{1}{p(x)}|\nabla {\it\Delta} u|^{p(x)}dx\right){\it\Delta}^3_{p(x)} u = \lambda f(x)|u|^{q(x)-2}u + g(x)|u|^{r(x)-2}u + h( ...
Leto: 2021 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Multiplicity of solutions for a class of fractional p(x, [cdot])-Kirchhoff-type problems without the Ambrosetti-Rabinowitz condition
Mohamed Karim Hamdani, Jiabin Zuo, Nguyen Thanh Chung, Dušan Repovš
Izvirni znanstveni članek
Oznake: fractional ▫$p(x,\cdot)$▫-Kirchhoff-type problems;▫$p(x,\cdot)$▫-fractional Laplace operator;Ambrosetti-Rabinowitz type conditions;symmetric mountain pass theorem;Cerami compactness condition;fractional Sobolev spaces with variable exponent;multiplicity of solutions;
We are interested in the existence of solutions for the following fractional ▫$p(x,\cdot)$▫-Kirchhoff-type problem: ▫$$\textstyle\begin{cases} M ( \int _{\Omega \times \Omega } {\frac{ \vert u(x)-u(y) \vert ^{p(x,y)}}{p(x,y) \vert x-y \vert ^{N+p(x,y)s}}} \,dx \,dy )(-\Delta )^{s}_{p(x,\cdot )}u = f ...
Leto: 2020 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Multi-response optimization of GTAW process parameters in terms of energy efficiency and quality
An-Le Van, Thai-Chung Nguyen, Huu-Toan Bui, Xuan-Ba Dang, Trung Thanh Nguyen
Izvirni znanstveni članek
Oznake: GTAW;heat input;ultimate tensile strength;micro-hardness;radial basis function network;
This work optimizes the current (I), voltage (V), flow rate (F), and arc gap (G) of the gas tungsten arc welding (GTAW) of the Ti40A titanium alloy to decrease the heat input (HI) and improve the ultimate tensile strength (TS) and micro-hardness (MH). The radial basis function network (RBFN) was uti ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 3
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