نتایج جستجو برای: Elasticity theory
تعداد نتایج: 803160 فیلتر نتایج به سال:
the effect of the presence of perforations on he stresses of a plate is a problem which is of great interest in structural design and in the mathemattical theory of elasticity. among the many hole patterns that are likely to require consideration is the ring of equally spaced circular holes. the present worke investigates stress & strain analysis of a thin isotropic circular plate containing a ...
در این رساله، کمانش نانو لوله های کربنی با استفاده از تئوری الاستیسیته غیر محلی (nonlocal elasticity theory) مورد بررسی قرار می گیرد. در ابتدا، کمانش الاستیک نانو لوله کربنی دوجداره بر بستر الاستیک تحت فشار محوری با استفاده از تئوری تیر تیموشنکو غیر محلی (nonlocal timoshenko beam theory) مطالعه می گردد. تاثیرات محیط الاستیک، نیروی واندروالس بین نانو لوله های داخلی و خارجی و اثر مقیاس کوچک بر اس...
this paper presents the thermal vibration analysis of double-layer graphene sheet embedded in polymer elastic medium, using the plate theory and nonlocal continuum mechanics for small scale effects. the graphene is modeled based on continuum plate theory and the axial stress caused by the thermal effects is also considered. nonlocal governing equations of motion for this double-layer graphene s...
This paper addresses the influence of boundary conditions and small-scale effect on the free vibration of nano-plates using molecular dynamics (MD) and nonlocal elasticity theory. Based on the MD simulations, Large-scale Atomic/Molecular Massively Parallel Simulator (LAMMPS) is used to obtain fundamental frequencies of single layered graphene sheets (SLGSs) which modeled in this paper as the mo...
The general relativistic theory of elasticity is reviewed from a Lagrangian, as opposed to Eulerian, perspective. equations motion and stress-energy-momentum tensor for hyperelastic body are derived the gauge-invariant action principle first considered by DeWitt. This natural extension single particle. central object in Lagrangian treatment Landau-Lifshitz radar metric, which version right Cauc...
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