• Seismic Reliability Evaluation of the Jacket Structure of an Offshore Platform Based on Nonlinear Time History Analyses 

  Hosseini, M؛ Karimiyan, S (Islamic Azad University,South Tehran Branch, 2010-09-01)

  Regarding the previous earthquake damages in offshore structures, as vital structures in the oil and gas industries, it is important that their seismic design will be performed with very high reliability. Accepting the ...

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• Numerical Evaluating of effective and behavior of balancing reservoir of water hummer on water tunnels lining to turbine in concrete dams 

  Vosoughifar, H.R؛ Daneshkhah, A.R (Islamic Azad University,South Tehran Branch, 2010-09-01)

  In this paper by using numerical evaluation the effect of balancing drupes of water hammer on tunnels lining is considered. In case of not arrangment of these reservoirs, the tunnel lining will be damaged of cyclic powers ...

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• 3D Numerical Study on Scouring Around Bridge Piers Under Unsteady Flow Condition 

  Esmaeili, T؛ Kharaghani, S؛ Dehghani, A.A (Islamic Azad University,South Tehran Branch, 2010-09-01)

  Local scouring around the bridges piers has always been considered as a problem, especially in rivers. If we do not take the necessary actions to avoid the occurrence of this phenomenon or to reduce its influence, then the ...

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• Operation of Multiple Reservoirs by utilization of Simulation Method for Analysis of System Dynamics 

  Mansoori, A؛ Khatib, V (Islamic Azad University,South Tehran Branch, 2010-09-01)

  In this paper the operation of multiple reservoirs by the utilization of analysis method of the system dynamics is considering and this analysis method is based on the feedback and object oriented events. The goal ...

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• Estimating an appropriate plastic concrete mixing design for cutoff walls to control leakage under the earth dam. 

  Pashazadeh, A؛ Khosravi, M؛ Ganjian, N (Islamic Azad University,South Tehran Branch, 2010-09-01)

  Making use of concrete materials in cut-off walls, because of their low permeability and standing high Hydraulic Gradient caused by underground drainage, has attracted great amount of attention. Using ordinary concrete ...

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• Water Quality of Nour City Rivers 

  Goljan, F؛ Karbassi, A.R؛ Hajizadeh zaker, N؛ NabiBidhendi, GH.R (Islamic Azad University,South Tehran Branch, 2010-09-01)

  The goal of this research is recognition of species of pollution and a rough estimate of rate of transmitted pollution through northern Iran rivers to Caspian sea. Sampling from 3stations up-river, mid-river, and down-river ...

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• Calculating of Radiosonde Precipitable water using MODIS Satellite images in Goorganrood basin 

  Pourbagher, S.M؛ Askary, G.H؛ Momenzadeh, H؛ Paul Menzel, W (Islamic Azad University,South Tehran Branch, 2010-09-01)

  Deficiency of atmospheric water vapor profile data is one of most important problems in the flood hazard researches for areas flooding such as Goorganrood basin, because of no radiosonde stations. With the aim of radiosonde ...

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• Simulation of water surface profile in vertically stratified rockfill dams 

  Asiaban, Puria؛ Amiri Tokaldany, Ebrahim؛ Tahmasebi nasab, Mohsen (Islamic Azad University,South Tehran Branch, 2015-01-01)

  Detention rockfill dams are accounted as economically efficient structures for flood control, river bed and banks protection, flow diversion, etc. As the hydraulic behavior of these structures, when are used for flood ...

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• Assessment of Turbulent Models in Computation of Strongly Curved Open Channel Flows 

  Seyedashraf, Omid؛ Akhtari, Ali Akbar (Islamic Azad University,South Tehran Branch, 2015-01-01)

  Several rigorous turbulent models have been developed in the past years and it can be seen that more research is needed to reach a better understanding of their generality and precision by verifying their applications for ...

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• Application of Soft Computing Methods in the Analysis of Velocity Field in Dividing Channel 

  Karimi, Sohrab؛ Bonakdari, Hossein؛ Karami, Hojat؛ Zaji, Amir Hossein (Islamic Azad University,South Tehran Branch, 2017-08-01)

  The simplest water diversion method in irrigation systems is using intakes. Measuring the mean velocity is one of the essential hydraulic parameters in increasing the efficiency of the intake. In this study, the mean ...

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• Assessment of Saltwater Pollution in Azarshahr Plain Groundwater, Iran: Conjugating GALDIT Method and Geostatistics 

  Docheshmeh Gorgij, Alireza؛ Asghari Moghaddam, Asghar (Islamic Azad University,South Tehran Branch, 2017-08-01)

  Overutilization of groundwater resources can put their quality under stress. It could be base on rapid declination in groundwater level leading to salt water intrusion in the coastal aquifers. The objective of this study ...

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• Modeling Lake Urmia Water-Level Changes using Local Linear Neuro-Fuzzy Method 

  Razmkhah, Arash؛ Alvankar, Seyed Reza؛ Kakahaji, Abbas (Islamic Azad University,South Tehran Branch, 2017-08-01)

  According to the water resources and climate change and challenges of Urmia Lake basin, which is the discharge and final destination of North West Rivers, a model was presented. Due to climate change and water resources ...

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• Experimental Investigation of Bed Variations due to Circular Culvert Jet with Different Angles 

  Pirestani, Mohammad Reza؛ Kaviani, Mehrdad (Islamic Azad University,South Tehran Branch, 2016-01-01)

  Downfall flows from different outlet hydraulic structures such as culverts and jetsthrowingtothe erodible downstream bed cause scour hole and changes in the downstream bed topography. Therefore,by performing some physical ...

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• Experimental Study of the Effect of Hydraulic Parameters on Debris Flow Control in Inclined Slit Trapezoidal Check Dams 

  Razmkhah, Arash؛ Pirestani, Mohammad reza؛ Ebrahimi Fardshad, Amir (Islamic Azad University,South Tehran Branch, 2015-01-01)

  Check dams are one of the structures used to control debris flows. In this study, in order to evaluate the effect of hydraulic parameters on debris sediment trapping rate by the slit trapezoidal check dams with different ...

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• Sensitivity analysis of geometric and hydraulic parameters on water depth of flood plain in the AbNik River 

  Gashtasebi, Akram؛ Pirestani, Mohammad Reza (Islamic Azad University,South Tehran Branch, 2015-01-01)

  Transfer of debris flow caused by floods in the river downstream of the mountains leads to several damages every year. Numerous researches have been carried out on the Mountain Rivers the results of which show the importance ...

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• 3D Numerical Simulation of the Separated Turbulent Shallow Flow around a Single Side Obstacle 

  Safarzadeh, A.؛ Esfandiary, L. (Islamic Azad University,South Tehran Branch, 2017-08-01)

  In this paper, the performance of Reynolds Averaged Navier Stokes (RANS) simulations was evaluated to predict the flow structure developed by the presence of a sidewall obstruction in a uniform open-channel shallow flow. ...

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• Empirical Relation for Prediction of Sediment-Trapping Coefficient in the Experimental Flume of the Stepped Slit Check Dams 

  Pirestani, Mohammad Reza؛ Razmkhah, Arash؛ Behroozi Fard, Amir Hosein (Islamic Azad University,South Tehran Branch, 2017-08-01)

  Eroded sediments from catchment areas transport by streams and deposit in downstream less steep areas. Despite reducing the useful life of various hydraulic structures including reservoir dams, flood walls, and bridges, ...

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• The Effect of Six-Legged Concrete Elements on Hydraulic Jump Characteristics 

  Shafai Bejestan, Mahmood؛ Khajavi, Maryam؛ Ghavamifar, Azade (Islamic Azad University,South Tehran Branch, 2017-08-01)

  In the present study, the six legged concrete (SLC) elements are placed at the bed of a flume downstream of a chute in different layouts, densities and number of longitudinal rows of SLC elements. Each test was run for ...

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• Comprehensive Study of the Crop Water Productivity in Bushehr Province, Iran 

  Alizadeh, Hamzehali؛ Nazari, Bijan؛ Liaghat, Abdolmajid (Islamic Azad University,South Tehran Branch, 2016-11-01)

  Increasing population leads to intensification of water shortage problems in arid regions. Agriculture sector is the main user of water in Iran. Bushehr province with an arid and semiarid climate is located in the south ...

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• Parametric Evaluation of the Static Stability Analysis of the Asphaltic Concrete Core Rockfill Dams 

  Razmkhah, Arash؛ Shiravi, Shahram (Islamic Azad University,South Tehran Branch, 2016-11-01)

  The present study examined the effect of the geometric parameters of the Rockfill dams on the 2D static analysis of slope stability. In this regard, several numerical models analyzed for eight heights, three slopes of ...

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