نتایج جستجو برای: refined plate theory
تعداد نتایج: 878320 فیلتر نتایج به سال:
در این تحقیق ارتعاشات دو نانو صفحهی گرافنی کوپل شده به یکدیگر مورد بررسی قرار گرفته است. نانوصفحات توسط محیط الاستیک پاسترناک به یکدیگر مرتبط شدهاند. از تئوریهای ورق کلاسیک و میندلین برای مدلسازی نانوصفحات استفاده شده است. بر روی نانوصفحهی بالایی جرمی قرار دارد. روابط حاکم بر اساس روش انرژی و اصل همیلتون بدست آمده و با در نظر گرفتن تئوریهای اثرات تنش سطح و ارینگن ، بصورت غیرموضعی بیان شده...
In this article, the effect of size-dependent on the buckling and vibration analysis of functionally graded (FG) double-layer boron nitride plate based on classical plate theory (CPT) under electro-thermo-mechanical loadings which is surrounded by elastic foundation is examined. This subject is developed using modified couple stress theory. Using Hamilton's principle, the governing equations of...
We formulate large N duality of U(N) refined Chern-Simons theory with a torus knot/link in S3. By studying refined BPS states in M-theory, we provide the explicit form of low-energy effective actions of Type IIA string theory with D4-branes on the Ω-background. This form enables us to relate refined Chern-Simons invariants of a torus knot/link in S3 to refined BPS invariants in the resolved con...
The floating thin plate is amongst the best studied problems in hydroelasticity. The time-harmonic linear wave response of a floating thin plate can be determined straightforwardly by a number of different methods.. Since the problem is linear, the time-dependent response of the thin plate can in theory be written as an expansion in these timeharmonic solutions. However, the theory for this exp...
Laminated glass structures are formed by stiff layers of glass connected with a compliant plastic interlayer. Due to their slenderness and heterogeneity, they exhibit a complex mechanical response that is difficult to capture by single-layer models even in the elastic range. The purpose of this paper is to introduce an efficient and reliable finite element approach to the simulation of the imme...
In present paper, vibration of Nano FGM plate based on modified couple stress and First Order Shear Deformation Theories (FSDT) under moving load has been developed. Basic equations and linear strains are introduced by first order shear deformation theory and Mori Tanaka’s model is used for the plate. The module of elasticity and density are assumed to vary only through thickness of plate. Gove...
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