نتایج جستجو برای: joint models

تعداد نتایج: 1080466  

Journal: :Journal of Statistical Theory and Practice 2009

Journal: :Academic Platform Journal of Engineering and Science 2016

Journal: :Thin-walled Structures 2022

A methodology for thin-walled frame analysis using displacement modes of beams at joint interfaces has recently been proposed. This paper introduces an implementation that uses a specific advanced beam element based on semi-analytical mode solutions generalised theory. The end cross-sections the elements consist wall with degrees freedom can be joined to conventional finite shell models joints....

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی شیمی 1391

attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...

Although segmental tunnel linings are often used for seismic areas, the influence of segment joints on the segmental lining behavior under seismic loading has not been thoroughly considered in the literature. This paper presents the results of a numerical study investigating the effects of the rotational, axial, and radial joint stiffness of the longitudinal joints on the structural force...

Journal: :روش های عددی در مهندسی (استقلال) 0
محسن ایزدی نیا و محمد تقی احمدی m. izadi-nia and m. t. ahmadi

arch dams are generally built in cantilvever monoliths. vertical contraction joints between monoliths control the stresses due to concrete shrinkage and temperature variations. past studies in earthquake safety evaluation of the system often show the tensile fracture and local nonlinear deformation of joints. in this paper, some nonlinear joint element constitutive models are presented to exami...

Journal: :Lifetime data analysis 2011
Timothy E Hanson Adam J Branscum Wesley O Johnson

The joint modeling of longitudinal and survival data has received extraordinary attention in the statistics literature recently, with models and methods becoming increasingly more complex. Most of these approaches pair a proportional hazards survival with longitudinal trajectory modeling through parametric or nonparametric specifications. In this paper we closely examine one data set previously...

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to estimating erosion and sediment in the Poorahmadi watershed basin, MPSIAC and EPM models was used and compared.  Part of Required data about natural characteristics of studing watershed basin provided from comprehensive studies of Watershed Basin and the other part prepared through digital image processing and preparing required maps  using RS and GIS joint capabilities.  With calculating th...

ژورنال: اندیشه آماری 2017
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‎In this article‎, ‎first of all‎, ‎the Kumaraswamy distribution is introduced‎. ‎Then‎, ‎the joint and marginal distributions of W = X1/X2 and T = X1/X1+X2 where X1 and X2 are independent Kumaraswamy random variables‎, ‎are obtained and the moments of these random variables are computed‎. ‎The distribution of random variables  W  and T  can be used in reliability studies and statistical models...

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