نتایج جستجو برای: plan curvature
تعداد نتایج: 142450 فیلتر نتایج به سال:
soil slopes are sometimes curved in plan rather than being straight. this curvature,especially when it is convex, decreases the bearing capacity of the slope. finite element methodhas been used here in this research to investigate the reducing effect of curvature on bearingcapacity of a slope. failure of soil has been assumed to be according to mohr-coulomb criteria;but the flow rule of the soi...
بررسی قابلیت پارامترهای ژئومرفومتری در تفکیک مخروطافکنههای مناطق بیابانی (مطالعۀ موردی: عقدا، یزد)
This research focuses on alluvial fans in desert area. Alluvial fans are one of the most important geomorphological units in desert area. There are several tremendous methods to separate alluvial fans. There are qualitative and quantitative factors to differentiate them from other geomorphological units. In this study effective geomorphometrical parameters in differentiate landforms were applie...
Erosion and sedimentation that will lead to morphological changes in rivers are found in alluvial rivers. Morphological changes in rivers can cause numerous problems, so studying the shape of alluvial rivers in morphology is very important in morphology science. In this study, morphology changes of the Zohreh River in the Hendijan plain, for a length of about 23 km between latitudes 30´ 49° and...
methods are proposed to develop idealized moment-curvature response curves of slender rectangular rc wall sections with uniformly distributed longitudinal reinforcement, using limit states, namely, cracking of concrete in tension, tensile yielding of reinforcement layers, and compression failure of concrete. it is recommended that tensile yielding of an inner layer of reinforcement is considere...
in this study the land surface in western half of hyper-arid lut desert, in south east of iran, which is covered by yardangs, a worldwide typical landform for aeolian erosion, were classified by self organizing maps (som) method. in the first step by using digital elevation model with 10 m resolution and matlab software, 22 morphometric parameters were calculated based on derivative of the surf...
the coordinate transformation allows the exact calculation of some electrode configurations. in this paper the prolate spherical coordination transformation is used to calculate the field of a hyperboloiderod against plan electrode. the exact field is caculated using two new parameters: 1) electrodes spacing and 2) the radius of curvature of the tip of the rod electrode. the partial discharge i...
Materials and methods Twenty-eight consecutive pre-menarchial girls aged 10 to 14 years (mean 12.6 ± 1.1 years) started a treatment plan for thoracic idiopathic scoliosis, having radiological proof of progression. Eighteen of them had an additional structural lumbar curvature. The Cobb angle revealed a magnitude of 21.0° to 40.0° (mean 30.8° ± 5.5°) in the thoracic curvature and 17.0° to 40.0° ...
دشت سرها ازجمله مهمترین واحدهای ژئومرفولوژی میباشند که به لحاظ فعالیتها انسانی و بهره برداری، بیشتر مورد توجه قرار میگیرند. تاکنون روشها و عوامل مختلفی نیز جهت طبقه بندی مناطق دشتی ارائه شده است. یکی از روشهای طبقه بندی که بیشتر در مطالعات منابع طبیعی در ایران مورد استفاده قرار میگیرد، تقسیم بندی واحد دشت سر به سه تیپ دشت سرلخت، اپانداژ و پوشیده میباشد که عوامل مختلف کمی و کیفی جهت تفکیک...
We prove that in metric measure spaces where the entropy functional is Kconvex along every Wasserstein geodesic any optimal transport between two absolutely continuous measures with finite second moments lives on a non-branching set of geodesics. As a corollary we obtain that in these spaces there exists only one optimal transport plan between any two absolutely continuous measures with finite ...
This paper discusses how to plan continuous-curvature paths for carlike wheeled mobile robots. The task is to generate a trajectory with upper-bounded curvature and curvature derivative. To solve this problem we use three path planning primitives, namely straight line segments, circular segments, and continuous-curvature turns (CC turns) in the path planning. We give a classification of the CC ...
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