نمایه پژوهش‌ها

مقالات علمی سال ۱۳۹۱

مقالات را بر اساس عنوان، کد سند یا سال انتشار پیدا کنید و به نویسندگان و رویداد علمی مرتبط برسید.

۳,۰۱۷ مقاله پیدا شد.

مقاله کنفرانسی سال ۱۳۹۱ ۲,۰۲۵ مشاهده

ANALYSIS OF WATER DISTRIBUTION NETWORKS USING GENETIC ALGORITHM

The analysis of a water distribution network requires the solution of a set of nonlinear equations There are various techniques such as Hardy Cross m…

Genetic AlgorithmWater Distribution NetworksOptimization
مقاله کنفرانسی سال ۱۳۹۱ ۱,۶۵۵ مشاهده

A study on the influence of cyclic stress ratio on the pore pressure generation in Anzali sand

Behavior of sands under cyclic loading is one of the main topics in geotechnical engineering Extensive researches have been carried out on the fundam…

pore water pressuresandcyclic stress ratio
مقاله کنفرانسی سال ۱۳۹۱ ۲,۶۳۲ مشاهده

A study on the behavior and strain concentration in offshore steel pipeline with concrete coating under combined loads using Finite Element Analysis

It is surely important for offshore pipeline industries to reach accurate and reliable modeling of the strains in concrete coated pipelines It should…

Offshore PipelinesStrain concentrationFinite Element
مقاله کنفرانسی سال ۱۳۹۱ ۱,۷۳۲ مشاهده

A review of greywater reuse as a non-conventional source of water

Population growth, industrial development, potable water sources shortage and Climate change have resulted in increasing pressure on drinking water s…

grey waterreusewater shortage
مقاله کنفرانسی سال ۱۳۹۱ ۲,۳۷۱ مشاهده

A novel three-dimensional semi-analytical method with diagonal coefficient matrices for potential problems

In this paper, a new semi analytical method is proposed for solving boundary value problems of 3D potential problems In this method, the boundary of…

Diagonal coefficient matricesNon-isoparametric elementClenshaw
مقاله کنفرانسی سال ۱۳۹۱ ۲,۷۳۱ مشاهده

A new approach on pre-bent steel strips as seismic energy-dissipation devices

In this study, a new type of seismic energy dissipative devices in the form of braces based on pre bent strips has been utilized In this approach, mo…

pre-bent stripsresponse of structuredamper
مقاله کنفرانسی سال ۱۳۹۱ ۱,۵۷۷ مشاهده

A mathematical model to predict the amount of aluminum ions in the cooling systems in combined cycle power plants using factors affecting corrosion

In today's world the human needs for electric power is inevitable, hence, the power plants, as generators of electricity, are having of special atten…

cooling systemscorrosionAl ion
مقاله کنفرانسی سال ۱۳۹۱ ۱,۷۰۴ مشاهده

A Two-Stage Seismic Resisting System Consists of Knee elements and Vertical Link Beam

This paper presents a new dual seismic resisting system, consists of a Vertical Link Beam VLB , and a couple of knee elements which are connected in…

knee elementsvertical link beamstopper device
مقاله کنفرانسی سال ۱۳۹۱ ۲,۶۳۱ مشاهده

A Study on Strategies of Air Pollution Control and Reduction in Urban Areas

There are various air pollution control technologies and strategies to reduce air pollution such as reduction of the vehicle producing air pollution…

Air pollutionAlternative fuelPassive control
مقاله کنفرانسی سال ۱۳۹۱ ۲,۰۴۹ مشاهده

A SURVEY OF SEMI-ACTIVE CONTROL WITH MR DAMPERS

The present work describes part of the R&D on using a semi active structural control technique in a civil engineering experimental model frame equipp…

Response controlClipped optimal controlMR dampers
مقاله کنفرانسی سال ۱۳۹۱ ۲,۰۶۶ مشاهده

A STUDY OF GROUT PROPERTIES IN SOIL NAILS PULLOUT TESTS

Soil nailing is the technique where in situ ground is reinforced by the insertion of tension carrying soil nail The soil nail interface shear resista…

shear resistancegroutMohr-Coulomb
مقاله کنفرانسی سال ۱۳۹۱ ۲,۲۲۰ مشاهده

A PSO Methahuristic for Origin-Destination Matrix Estimation Problem

Information on the origin destination OD demands through a transportation system is an important input in many areas of operational analysis and plan…

TransportationO-D Matrix EstimationMetaheuristics
مقاله کنفرانسی سال ۱۳۹۱ ۲,۱۴۱ مشاهده

A New Constitutive Model for Prediction of Saturated Sand Behavior Using Artificial Neural Network

The soil constitutive relation is one of the important issues in soil mechanics 1 In the current geotechnical approach, the relationship between stre…

saturated sandtriaxial testArtificial Neural Network constitutive model
مقاله کنفرانسی سال ۱۳۹۱ ۲,۳۴۳ مشاهده

A New Approach for Identification and Priorities of Accident Prone Points in Suburban Transportation Networks

Disaster is a sudden event with widespread financial, life and mental damages, which needs special actions to be prevented, contrast and reconstructe…

AccidentCost prone pointTransportation Network
مقاله کنفرانسی سال ۱۳۹۱ ۲,۱۸۸ مشاهده

A Model for Risk Assessment of Wastewater Collection Networks

Wastewater collection networks are constantly faced with crises and risks, because of some problems during their operation Assessment of risk in thes…

Risk AssessmentRisk ManagementWastewater collection system
مقاله کنفرانسی سال ۱۳۹۱ ۲,۳۲۲ مشاهده

A Limit equilibrium approach for determination of bearingcapacity of strip footingS on frictional-cohesive soil

The determination of the bearing capacity of strip foundations on frictional cohesive soils is of interest to geotechnical practicing engineers On th…

Strip footingsBearing capacityLateral earth pressures
مقاله کنفرانسی سال ۱۳۹۱ ۲,۱۵۹ مشاهده

A First-Order Centered Adams-Moulton Shock Capturing Model for shallow water flows

From the numerical point of view, modeling flow discontinuities often poses severe challenges In this way a number of techniques like artificial visc…

Adams-Moulton algorithmFlow discontinuitiesFirst order centered scheme
مقاله کنفرانسی سال ۱۳۹۱ ۲,۴۸۶ مشاهده

A Computational Study on Shell Surface with Curved Folds in the Form of Fibonacci Spiral

This research was carried out to investigate effect of curve folds in the form of Fibonacci spiral on behaviour of folded shell structures Procedures…

Fibonacci spiralCurved foldShell structures
مقاله کنفرانسی سال ۱۳۹۱ ۲,۲۷۰ مشاهده

A Comparison between Gradient Projection Methods For Traffic Assignment Problem

Recently, gradient projection GP has been extended as efficient algorithms for solving the traffic assignment problem TAP In this paper, two distingu…

Traffic AssignmentGradient ProjectionDescent Direction Method
مقاله کنفرانسی سال ۱۳۹۱ ۳,۰۹۱ مشاهده

A Comparison between Finite Element and Smoothed Particle Hydrodynamics’ Simulations of Dam Break

Modeling of free surface flows is one of the main challenges in computational fluid dynamics CFD Dam break, as a free surface flow producer, is very…

Characteristic-Based SplitSmoothed Particle HydrodynamicsFree Surface Flow
مقاله کنفرانسی سال ۱۳۹۱ ۲,۲۴۳ مشاهده

A Comparative Study of Many Well- Known Codes of Practice for Loading of Self-Supporting Telecmmunication Towers

Self Supporting lattice towers are special structure, which is mostly used as electrical transmission pole and telecommunication towers Many codes of…

lattice towerstelecommunication towerswind loading
مقاله کنفرانسی سال ۱۳۹۱ ۲,۷۳۳ مشاهده

3D Numerical Simulation of Support Structures in an Urban Deep Excavation – Case Study of W7 Station of Tehran Subway

This paper concerns deep excavation modeling and analysis in an urban area W7 station of Tehran subway and simulation of excavation stages and constr…

Deep excavationGround movementThree-dimensional FDM analysis
مقاله کنفرانسی سال ۱۳۹۱ ۲,۲۴۶ مشاهده

3D Finite Element Modeling via Smeared Crack Approach of RC Beams after Exposure to High Temperatures

This paper tries to study the effect of previously heated concrete on structural behavior of reinforced concrete beams through three dimensional anal…

Micro-planeSmeared crack approachElastic modulus
مقاله کنفرانسی سال ۱۳۹۱ ۲,۱۱۳ مشاهده

3-D evaluation of displacements generated in ground due to tunnel boring using TBMs

In this paper, several analyses have been performed to determine displacements especially vertical displacements of ground surface using Plaxis 3D Tu…

3Dtunnelfinite element