نتایج جستجو برای: finite element model

تعداد نتایج: 2401982  

J.N Reddy R Ranjan,

Displacement finite element models of various beam theories have been developed traditionally using conventional finite element basis functions (i.e., cubic Hermite, equi-spaced Lagrange interpolation functions, or spectral/hp Legendre functions). Various finite element models of beams differ from each other in the choice of the interpolation functions used for the transverse deflection w, tota...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1387

کامپکتون ها، سالیتون هایی با پهنای محدود هستند. معادلات(k(m,n به ازای مقادیر خاصی از m و n دارای جواب کامپکتون هستند. از جمله این معادلات، معادلات (k(2,2 و (k(3,3 است. به دلیل خاصیت شبه ذره ای کامپکتون ها، این امواج بسیار مورد توجه فیزیکدانان قرار گرفته اند. برای بررسی کامپکتون ها، روش های عددی بسیاری وجود دارد. یکی از این روش ها که می توان برای حل این معادلات از آن استفاده کرد، روش المان های م...

Journal: :international journal of civil engineering 0
z. sabzi university of tehran a. fakher university of tehran

limitations in the design method used for the support systems of urban buildings make them vulnerable to damage by adjacent excavations. this paper examines a traditional system used to support excavation sites and adjacent buildings in which inclined struts are connected to the wall or foundation of the adjacent building. this method can be considered to be a type of shoring or underpinning. t...

Journal: :amirkabir international journal of electrical & electronics engineering 2014
k. abbaszadeh s. maroufian

performing fast and accurate methods for modeling the electrical machines has been the subject of several studies and many authors proposed different procedures to attain this aim. beside the accuracy, the speed of the method is of great concern. on the other hand, the capability of the method to be changed according to the need is another important issue. finite element method provides relativ...

Journal: :مهندسی بیوسیستم ایران 0
شاهین رفیعی تیمور توکلی هشجین محمدهادی خوش تقاضا

simulation of rough rice drying is one of the proper methods for predicting moisture distribution in the product, and throughout the process of drying. the drying process must be well understood and controlled so that design guidelines which reduce or minimize drying damage to rough rice can be established and improved. therefore, an accurate understanding and description of the drying mechanis...

Journal: :journal of lasers in medical sciences 0
kawther mohammad shurrab higher institute for laser research and applications, damascus university, syria. moustafa sayem el-daher higher institute for laser research and applications, damascus university, syria

introduction: with the rapid increase in use of lasers in medical treatments, it is important to understand the mechanisms of heat transfer in biological tissues in order to minimize damage to the tissues resulting from extra heat applied. the aim of this study is to investigate the temperature distribution in living biological tissues when laser irradiation is used in a treatment. methods:  in...

Journal: :journal of dentistry, tehran university of medical sciences 0
minoo mahshid associate professor, prosthodontics department, dental school, shahid beheshti university of medical sciences, tehran, iran. allahyar geramy professor, dental research center dentistry research institute & department of orthodontics, tehran university of medical sciences, tehran, iran. massoud ejlali assistant professor, prosthodontics department, dental school, shahid beheshti university of medical sciences, tehran, iran. majid sedaghat monfared assistant professor, prosthodontics department, dental school, shahid beheshti university of medical sciences, tehran, iran. shirin rezvani habib abadi assistant professor, prosthodontics department, dental school,qazvin university of medical sciences, qazvin, iran.

the main goal of this study was to evaluate differences in stress distribution relevant to the number of implants under an anterior bridge when combined with a removable partial denture in the posterior region.four three-dimensional finite element models (3d fem) were designed from a mandible containing an implant-supported bridge extending between canines, and a bilateral distal extension remo...

Journal: :Biomechanics and Modeling in Mechanobiology 2007

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1995

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