نتایج جستجو برای: degrees of freedom mechanics
تعداد نتایج: 21175039 فیلتر نتایج به سال:
در این پایان نامه تحلیل کمانش صفحات چند لایه کامپوزیت با لایه های پیزوالکتریک بر اساس تئوری کیرشهف و با استفاده از المان خمشی 15 درجه آزادی انجام گرفته است . فرمولاسیون لایه های پیزو الکتریک پس از اعمال روش اجزای محدود ، به عنوان بار خارجی دو محوره عمل می کند و لذا درجات آزادی المان فقط مکانیکی می باشند و از درجات آزادی الکتریکی در المان استفاده نشده است . معیار خطی کمانش اویلر برای رفتارپایدا...
Visual Servoing is generally contained of control and feature tracking. Study of previous methods shows that no attempt has been made to optimize these two parts together. In kernel based visual servoing method, the main objective is to combine and optimize these two parts together and to make an entire control loop. This main target is accomplished by using Lyapanov theory. A Lyapanov candidat...
Any elementary textbook on statistical mechanics will try to convince you that energy is everything w.r.t. phase separation. The goal of this thesis is to show otherwise.
The application of the TR-BDF2 method to second order problems typical structural mechanics and seismic engineering is discussed. A reformulation this presented, that only requires solution algebraic systems size equal number displacement degrees freedom. linear analysis numerical experiments on relevant benchmarks show superior in terms accuracy efficiency classical Newmark its generalizations.
in this paper, a higher order continuum model is presented based on the cosserat continuum theory in 3d numerical simulation of shear band localization. as the classical continuum models suffer from the pathological mesh-dependence in strain softening models, the governing equations are regularized by adding the rotational degrees-of-freedom to conventional degrees-of-freedom. the fundamental r...
Di Francia showed that the number of degrees of freedom in two-dimensional (2-D) monochromatic or incoherent images detected by spatial-bandwidth-limited far-field receivers is approximately equal to the product of the spatial bandwidth of the imaging system and the spatial extent of the object.1 Several researchers have noted that this limit on the information content of imaging fields may be ...
The focus of this project was to construct a humanoid animatronic head that had sufficient degrees of freedom to mimic human facial expression as well as human head movement and could be animated using face-tracking software to eliminate the amount of time spent on trial-and-error programming intrinsic in animatronics. As such, eight degrees of freedom were assigned to the robot: five in the fa...
Simple equations are derived to carry out degree of freedom analyses quickly and almost mechanically, using easily countable physical entities. It is shown that the outlet stream freedom does not depend on the number of component substances, and in many cases not on the number of phases. The concept of phase constraint is introduced to facilitate the degree of freedom analysis.
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