نتایج جستجو برای: rectangular and annular sections
تعداد نتایج: 16841225 فیلتر نتایج به سال:
rabbitfish is economically valuable teleost species which lives in shallow coastalwaters. two species of rabbit fish have been recognized in southern sea of iran (persiangulf) as namely siganus sutor and siganus javus. in the current study, in order toinvestigate the histology of the annular ligament of the s. javus’ eye, the prepared sectionsof the eyes of twelve healthy specimens were studied...
Victor L. Berdichevsky Mechanical Engineering, Wayne State University, Detroit MI 48202 USA; e-mail: [email protected] (Dated: March 2016) Abstract A continuum theory of dislocations is suggested which is capable of predicting the equilibrium distributions of a large number of screw dislocations in anisotropic beams with arbitrary cross-section. The theory leads to a boundary value problem wi...
in this study, scour of mashkid bridge pier located in mashkid river of saravan county has been studied and to measure the scour rate, the numerical model hec-ras 4.0 has been used. upon selection of mashkid river as the case study and whereas the studied zone is important with respect to the climatic conditions and showery monsoon raining and flowing the great and destructive floodwaters, ther...
this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...
Latent heat thermal energy storage (LHTES) has received more and attention in the field due to large density nearly constant temperature during phase change process. However, low conductivity of material (PCM) leads poor performance LHTES system. In this paper, research about transfer enhancement PCM using fin tubes is summarized. Different kinds fins, such as rectangular fin, annular spiral et...
Rectangular, L-shaped, and T-shaped section concrete shear walls in high-rise buildings are more frequently used engineering widely studied. However, there few studies related to the load-bearing performance of with U-shaped sections. In this article, seismic damage mechanisms analyzed a systematic manner. addition, finite element model was developed using ABAQUS software, numerical simulation ...
In this article, an exact levy solution is presented for bending analysis of a functionally graded (FG) annular sector plate. The governing equilibrium equations are obtained based on the classical plate theory. Introducing an analytical method for the first time, the three coupled governing equilibrium equations are replaced by an independent equation in term of transverse deflection. This equ...
The rectangular Strip Packing Problem (SPP) consists of packing a given set of rectangles in a rectangular strip with fixed width w and variable height minimizing the height of the packing. In this work we propose a ”Greedy Randomized and Adaptive Constructive” heuristic, a GRASP metaheuristic without the post-processing phase, for the SPP in the version where the rectangles can be freely rotat...
Extensive studies have been undertaken on the local buckling of FRP members. However, scope existing research largely remains limited to those with rectangular faces. As geometry member faces can affect capacity, thin-walled members possess higher loads for a given volume material when properly shaped. such, consideration non-rectangular is necessary, not only cater applications where profiles ...
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