نتایج جستجو برای: classical field theory
تعداد نتایج: 1599240 فیلتر نتایج به سال:
Using the recently established formalism of a worldline quantum field theory (WQFT) description classical scattering two spinless black holes, we compute far-field time-domain waveform gravitational waves produced in encounter at leading order post-Minkowskian (weak field, but generic velocity) expansion. We reproduce previous results Kovacs and Thorne highly economic way. Then using extract le...
A model of the equations of two dimensional problems in a half space, whose surface in free of micropolar thermoelastic medium possesses cubic symmetry as a result of a Mode-I Crack is studied. There acts an initial magnetic field parallel to the plane boundary of the half- space. The crack is subjected to prescribed temperature and stress distribution. The formulation in the context of the Lor...
topological analysis has been performed on the total electron density of the two forms of ozonemolecule,c2v and d3h ,to investigate the nature of chemical bonds ,molecular structure , atomiccharges and electrical properties. while these concepts have been completely discussed usingclassical models the emphasize in this work is based on quantum theory of atoms in molecules(qtaim). because the d3...
چکیده ندارد.
امروزه مواد کامپوزیتی یه خاطر فواید زیادی که دارند از قبیل استحکام ویژه بالا، سفتی ویژه بالا، سبکی و خواص ضد خوردگی، به وفور در صنایعی مانند هوافضا، ساخت قطعات اتومبیل، زیر دریایی ها، وسایل الکترونیکی، پزشکی و تجهیزات ورزشی مورد استفاده قرار می گیرند پوسته های استوانه ای کامپوزیتی یکی از اجزای پرکاربرد در قطعات صنعتی هستند. مثلا در صنایع هوافضا از پوسته های کامپوزیتی در ساخت بدنه موتور راکت است...
In this paper vibration of ferromagnetic rectangular plates which are subjected to an inclined magnetic field is investigated based on classical plate theory and Maxwell equations. Levy type solution and Finite element method using Comsol software are used to obtain the frequency of the plate subjected to different boundary conditions, good agreements is obtained when computed results are compa...
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