نتایج جستجو برای: simulation study
تعداد نتایج: 4397716 فیلتر نتایج به سال:
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
each semester, students are asked to evaluate the academic staff through an online questionnaire. generalized estimating equations model (gee), taking into account the correlation between scores, is the established tool to analyze longitudinal data. the aim of this manuscript is to identify characteristics that influence staff score and to address the importance of selection of appropriate corr...
abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...
در کشاورزی، داشتن مدلهای کامپیوتری رشد گیاهان و تعیین مقدار بهینه آب و کود نیتروژنه برای بهبود مدیریت منابع، حداکثر نمودن درآمد تولیدکنندگان و کاهش آلودگی منابع آب خیلی مهم است . در این تحقیق برای شبیه سازی رشد گیاه ذرت یک مدل به زبان(csm.corn simulation model) quick basic نوشته شده است .
welding is one of the most important assembling methods which are widely applied in different applications. in service conditions, some of the weld joints which meet defects must be repaired. the residual stresses impress the operation and efficiency of the repair weldment. in this study, the temperature and the residual stress fields were investigated by both the finite element simulation and ...
Most crowd simulations (CS) in architectural spaces are based on rectangular grids with von Neumann or Moore neighborhoods. The distance in the former is defined by the von Neumann metric (vN), and in the latter can be defined by both Manhattan (MM) and Euclidean (ME) metrics. A real space, however, is not limited to right angles. How does the rotation of the grid influence the simulation? Whic...
Most origami, both practical and mathematical, uses just straight creases. Curved creases, on the other hand, offer a wealth of new design possibilities. While the first curved-crease models date back to the Bauhaus in the 1930s, curved creasing remains relatively underexplored. The principal challenge considered here is to understand what 3D forms result as natural resting state(s) after foldi...
the ip3r calcium release channel has been simulated using a stochastic simulation algorithm (ssa;gillespie algorithm) and de young-keiser model. a set of different concentration for cat' and ip3 havebeen used. considering the number of molecules in each state, a non linear behavior of the system can beseen clearly. the inhibiting role of the ca+2 on the open state (x110) has been studied. the d...
The IP3R calcium release channel has been simulated using a stochastic simulation algorithm (SSA;Gillespie algorithm) and De young-Keiser model. A set of different concentration for Cat' and IP3 havebeen used. Considering the Number of molecules in each state, a non linear behavior of the system can beseen clearly. The inhibiting role of the Ca+2 on the open state (X110) has been studied. The d...
The Collection Tree Protocol (CTP) is a well-know protocol that provides a reliable collection service for wireless sensor networks. In this report, we describe our implementation of CTP for the version 3.0 of the Castalia wireless sensor networks simulator. Besides being a reference for researchers interested in experimenting with CTP in Castalia, this report also provides a throughout descrip...
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