نتایج جستجو برای: Element free approach

تعداد نتایج: 1922544  

Journal: :computational methods in civil engineering 2010
s.sh. ghorashi s.r. sabbagh-yazdia s. mohammadi

a new approach for analyzing cracked problems in 2d orthotropic materials using the well-known element free galerkin method and orthotropic enrichment functions is proposed. the element free galerkin method is a meshfree method which enables discontinuous problems to be modeled efficiently. in this study, element free galerkin is extrinsically enriched by the recently developed crack-tip orthot...

Journal: :journal of structural engineering and geo-techniques 2012
m.h. jahangir

to evaluate the earth seismic response due to earthquake effects, ground response analyses are used to predict ground surface motions for development of design response spectra, to compute dynamic stresses and strains for evaluation of liquefaction hazards, and to determine the earthquake induced forces that can lead to instability of earth and earth-retaining structures. most of the analytical...

S. Mohammadi S.R. Sabbagh-Yazdia, S.Sh. Ghorashi

A new approach for analyzing cracked problems in 2D orthotropic materials using the well-known element free Galerkin method and orthotropic enrichment functions is proposed. The element free Galerkin method is a meshfree method which enables discontinuous problems to be modeled efficiently. In this study, element free Galerkin is extrinsically enriched by the recently developed crack-tip orthot...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده فنی 1394

در این تحقیق به بررسی و مقایسه تاثیر سازه های آبشکن نفوذپذیر و نفوذناپذیر بر مورفولوژی کف رودخانه در دو بعد پرداخته شده است. برای پیدا کردن روش حل عددی مناسب، مقایسه ای میان روش های بدون شبکه radial point interpolation method(rpim)، element free galerkin و روش اجزا محدود انجام شده است. نتیجه این تحقیق کارایی روش (rpim) را نسبت به سایر روش ها نشان می دهد. برای بدست آوردن تغییرات بستر از روش آب ه...

Journal: :international journal of automotive engineering 0
m. namjoo h. golbakhshi

the natural frequencies and mode shapes of pneumatic tires are predicted using a geometrically accurate, three-dimensional finite element modeling. tire rubber materials and cord layers are represented independently using “shell element” available in cosmos. the effects of some physical parameters such as the inflation pressure tread pattern, thickness of belts and ply angles to the natural fre...

2010
A. Patrykiejew S. Sokołowski O. Pizio

We investigate the liquid-vapor interface of the restricted primitive model for an ionic fluid using a density functional approach. The applied theory includes the electrostatic contribution to the free energy functional arising from the bulk energy equation of state and the mean spherical approximation for a restricted primitive model, as well as the associative contribution, due to the format...

The fundamental frequencies and mode shapes of steel and carbon fiber–reinforced plastic (CFRP) cylindrical shells with steel inserts were investigated using finite element analysis and modal testing. The free-free boundary condition was tested with modal testing using the roving hammer method and verified by finite element analysis using ABAQUS. The results show good agreement between the test...

Journal: :international journal of civil engineering 0
s. n. moghaddas tafreshi

this paper presents the numerical analysis of seismic soil-pile-superstructure interaction in soft clay using free-field soil analysis and beam on winkler foundation approach. this model is developed to compute the nonlinear response of single piles under seismic loads, based on one-dimensional finite element formulation. the parameters of the proposed model are calibrated by fitting the experi...

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