پديد آورنده :
ابراهيمي، علي
عنوان :
استفاده از فرم محلي اصلاح شده روش توابع پايه نمايي در تحليل دوبعدي سيال داراي سطح آزاد
مقطع تحصيلي :
كارشناسي ارشد
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده مهندسي عمران
صفحه شمار :
ده، 90ص.: مصور، جدول، نمودار
استاد راهنما :
بيژن برومند
توصيفگر ها :
روش بدون شبكه , معادلات ناوير استوكس , معادلات لاگرانژي حركت سيال , تئوري فشار , تئوري پتانسيل سرعت
تاريخ نمايه سازي :
94/06/21
استاد داور :
مجتبي ازهري، مهدي زندي
تاريخ ورود اطلاعات :
1396/10/04
چكيده فارسي :
به فارسي و انگليسي
چكيده انگليسي :
31 The use of modified local form of exponential basis functions in the analysis of 2 dimensional free surface fluid Ali Ebrahimi ebrahimi asd@gmail com Date of Submission Jun 7 2015 Department of Civil Engineering Isfahan University of Technology Isfahan 84156 83111 IranDegree M Sc Language FarsiSupervisor Dr Bijan Boroomand boromand@cc iut ac ir AbstractIn this dissertation local form of Exponential Basis Functions EBFs method is used to solve Laplaceequation governing incompressible inviscid free surface fluid flow Generally mass conservation andmomentum conservation equations known as Navier Stokes equations govern isothermal fluid flows Assuming incompressible inviscid fluid flow the aforementioned equations convert into a Laplace equationin terms of the fluid s pressure when a Lagrangian description is employed Acceleration of the particles iscalculated by solving such a Laplace equation with a set of boundary conditions Likewise Navier Stokesequations convert into Laplace equation for the velocity potential if again incompressible inviscid non rotational fluid flow is assumed By solving this equation the velocity of the particles is calculated Focusing on Laplace equation in either of these cases in this investigation local form of exponential basisfunctions is used to solve the problems In this method a series of exponential basis functions each onesatisfying Laplace equation is assumed as an approximate solution for the equation within a cloud representing a subdomain The boundary conditions are then satisfied in the clouds constructed atboundaries Therefore the method can be categorized in meshless integral free methods This is one of theadvantages of the method in solving time dependent problems in this dissertation free surface flows using atime marching algorithm To illustrate the capabilities of the method some free surface fluid problems aresolved and the accuracy of method is demonstrated Key words Exponential basis functions Meshless method Navier Stokes equations Lagrangian fluidflow Pressure theory Velocity Potential theory
استاد راهنما :
بيژن برومند
استاد داور :
مجتبي ازهري، مهدي زندي
