نتایج جستجو برای: numerical control
تعداد نتایج: 1631270 فیلتر نتایج به سال:
This paper is concerned with the problem of enhancing convection-cooling via active control incompressible velocity field, described by a stationary diffusion–convection model. essentially leads to bilinear optimal problem. A rigorous proof existence an presented and first order optimality conditions are derived for solving using variational inequality. Moreover, second sufficient established c...
In this paper, we consider a general class of discrete-time optimal control problems subject to all-time-step constraints on the state and variables. The derivations gradient formulas for cost constraint functions constrained problem are rather involved. We present simple approach these based reversed automatic differentiation. On basis, numerical algorithm is developed solve problem. then cont...
The aim of this chapter is to give a broad panorama the control properties fractional diffusive models from numerical analysis and simulation perspective. We do by surveying several research results we obtained in last years, focusing particular on computation controls, though not forgetting recall other relevant contributions which can be currently found literature prolific field. Our referenc...
this study investigated the effect of prior knowledge on the listening comprehension performance of fl learners. twenty students, male and female, drawn from the two intact groups of the senior and junior english language and literature majors were chosen as the participants of this study . the two groups were then randomly assigned into the experimental and control group. the experimental gr...
چکیده این پایان نامه به بررسی اثر سیم پیچ مغناطیسی و کاوه یِ خوشه گر با بسامد رادیویی بر هاله و بیرونگراییِ باریکه هایِ پیوسته و خوشه ایِ ذرات باردار در شتابدهنده های خطیِ یونی، پروتونی با جریان بالا می پردازد و راه حل هایی برای بهینه نگهداشتن این کمیتها ارایه می دهد. بیرونگرایی یکی از کمیتهای اساسی باریکه هایِ ذرات باردار در شتابدهنده ها است که تاثیر قابل توجهی بر قیمت، هزینه و کاراییِ هر شتابدهند...
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