نتایج جستجو برای: kirchhoff type equations

تعداد نتایج: 1555661  

‎Using Nehari manifold methods and Mountain pass theorem‎, ‎the existence of nontrivial and radially symmetric solutions for a class of $p$-Kirchhoff-type system are established.

Journal: :Electronic Journal of Qualitative Theory of Differential Equations 2021

In this paper, we obtain the existence of positive critical point with least energy for a class functionals involving nonlocal and supercritical variable exponent nonlinearities by applying variational method approximation techniques. We apply our results to Schrödinger–Poisson type systems Kirchhoff equations exponent, respectively.

2005
Alexandre F. da Fonseca

Helical configurations of inhomogeneous symmetric rods with non-constant bending and twisting stiffness are studied within the framework of the Kirchhoff rod model. From the static Kirchhoff equations, we obtain a set of differential equations for the curvature and torsion of the centerline of the rod and the Lancret’s theorem is used to find helical solutions. We obtain a free standing helical...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی و مهندسی 1389

تحلیل غیر خطی پوسته های استوانه ای fgm جدار نازک با سطح مقطع مدور و نقص اولیه تحت بارگذاری یکنواخت محوری و شرایط مرزی مختلف ارائه گردیده است. بدین منظور تئوری کلاسیک پوسته جدار نازک (kirchhoff-love) با روابط سینماتیکی donnell (donnell-type) و با در نظرگیری رفتار الاستیک مواد بکاد گرفته می شود. به علاوه روش حل مبتنی بر رهیافت نیمه تحلیلی در پیوند با روش تفاضل محدود (fdm) شرح داده می شود و نتایج ...

Journal: :Fractional Calculus and Applied Analysis 2023

In this paper, we study the existence and multiplicity of weak solutions to a general type Kirchhoff equations in magnetic fractional Orlicz-Sobolev spaces. Specifically, appeal Critical Point Theory prove non-trivial under so-called Ambrosetti-Rabinowitz condition. We also state ground-state solutions. Moreover, results which yield an unbounded sequence are provided. Finally, show weak-type co...

2017
Ramón Quintanilla Reinhard Racke

We investigate the well-posedness, the exponential stability, or the lack thereof, of thermoelastic systems in materials where, in contrast to classical thermoelastic models for Kirchhoff type plates, two temperatures are involved, related by an elliptic equation. The arising initial boundary value problems for different boundary conditions deal with systems of partial differential equations in...

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