Rahmatollah Ghajar: search on Z-Library

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1

Multiscale modeling of the viscoelastic properties of CNT/polymer nanocomposites, using complex and time-dependent homogenizations

Shajari, Ali R., Ghajar, Rahmatollah, Shokrieh, Mahmood M.

Journal:

Computational Materials Science

Year:

2018

Language:

english

File:

PDF, 3.25 MB

english, 2018

2

Computation of dynamic stress intensity factors for cracks in three-dimensional functionally graded solids

Peyman, Safa, Ghajar, Rahmatollah, Irani, Saeed

Journal:

Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applicat

Year:

2017

Language:

english

File:

PDF, 854 KB

english, 2017

3

Numerical investigation of the mode III stress intensity factors in FGMs considering the effect of graded Poisson’s ratio

Rahmatollah Ghajar, Ali Shaghaghi Moghaddam

Journal:

Engineering Fracture Mechanics

Year:

2011

Language:

english

File:

PDF, 758 KB

english, 2011

4

General point load weight function for semi-elliptical crack in finite thickness plates

Ghajar, Rahmatollah, Saeidi Googarchin, Hamed

Journal:

Engineering Fracture Mechanics

Year:

2013

Language:

english

File:

PDF, 1.51 MB

english, 2013

5

A new experimental failure model based on triaxiality factor and Lode angle for X-100 pipeline steel

Keshavarz, Arash, Ghajar, Rahmatollah, Mirone, Giuseppe

Journal:

International Journal of Mechanical Sciences

Year:

2014

Language:

english

File:

PDF, 3.77 MB

english, 2014

6

Mixed mode weight functions for an elliptical subsurface crack under shear loadings

Ghajar, Rahmatollah, Kaklar, Javad Alizadeh

Journal:

Engineering Fracture Mechanics

Year:

2015

Language:

english

File:

PDF, 3.04 MB

english, 2015

7

The effect of time-dependent slightly weaken interface on the viscoelastic properties of CNT/polymer nanocomposites

Shokrieh, Mahmood M., Ghajar, Rahmatollah, Shajari, Ali R.

Journal:

Composite Structures

Year:

2016

Language:

english

File:

PDF, 912 KB

english, 2016

8

Effect of isotropic and anisotropic damage and plasticity on ductile crack initiation

Keshavarz, Arash, Ghajar, Rahmatollah

Journal:

International Journal of Damage Mechanics

Year:

2018

Language:

english

File:

PDF, 1.62 MB

english, 2018

9

Analytical Calculation of Stress Intensity Factors for Cracks Emanating from a Quasi-Square Hole in an Infinite Plane

Ghajar, Rahmatollah, Hajimohamadi, Mojtaba

Journal:

Theoretical and Applied Fracture Mechanics

Year:

2018

Language:

english

File:

PDF, 964 KB

english, 2018

10

An improved numerical method for computation of stress intensity factors along 3D curved non-planar cracks in FGMs

Rahmatollah Ghajar, Ali Shaghaghi Moghaddam, Marco Alfano

Journal:

International Journal of Solids and Structures

Year:

2011

Language:

english

File:

PDF, 1.07 MB

english, 2011

11

Finite element evaluation of stress intensity factors in curved non-planar cracks in FGMs

Ali Shaghaghi Moghaddam, Rahmatollah Ghajar, Marco Alfano

Journal:

Mechanics Research Communications

Year:

2011

Language:

english

File:

PDF, 876 KB

english, 2011

12

Residual strength degradation of graphite under thermal shock fatigue

Rahmatollah Ghajar, Ali Niknami

Journal:

International Journal of Mechanical Sciences

Year:

2012

Language:

english

File:

PDF, 895 KB

english, 2012

13

Determining the mixed mode stress intensity factors of surface cracks in functionally graded hollow cylinders

Ali Shaghaghi Moghaddam, Marco Alfano, Rahmatollah Ghajar

Journal:

Materials & Design

Year:

2013

Language:

english

File:

PDF, 1.01 MB

english, 2013

14

Ductile failure of X100 pipeline steel – Experiments and fractography

Rahmatollah Ghajar, Giuseppe Mirone, Arash Keshavarz

Journal:

Materials & Design

Year:

2013

Language:

english

File:

PDF, 3.11 MB

english, 2013

15

On the elasto-plastic behavior of CNT-polymer nanocomposites

Karimi, Majid, Montazeri, Abbas, Ghajar, Rahmatollah

Journal:

Composite Structures

Year:

2016

Language:

english

File:

PDF, 528 KB

english, 2016

16

Crack growth pattern prediction in a thin walled cylinder based on closed form thermo-elastic stress intensity factors

Niasani, Mohammad Abbaspour, Ghajar, Rahmatollah, Googarchin, Hamed Saeidi, Hossein Sharifi, Seyed Mohammad

Journal:

Journal of Mechanical Science and Technology

Year:

2017

Language:

english

File:

PDF, 555 KB

english, 2017

17

[ASME ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis - Istanbul, Turkey (July 12–14, 2010)] ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 1 - Empirical Comparison of Sliding Friction and Wear Behaviors of Gray and White Cast Iron

Hashemi, Mehdi, Ghajar, Rahmatollah

Year:

2010

Language:

english

File:

PDF, 469 KB

english, 2010

18

A novel interface-treated micromechanics approach for accurate and efficient modeling of CNT/polymer composites

Karimi, Majid, Ghajar, Rahmatollah, Montazeri, Abbas

Journal:

Composite Structures

Year:

2018

Language:

english

File:

PDF, 1.70 MB

english, 2018

19

An experimental investigation on the viscoelastic properties of CNT reinforced CY 219 epoxy resin, using DMTA and creep tests

Ghajar, Rahmatollah, Shokrieh, Mahmood, Shajari, Ali R

Journal:

Materials Research Express

Year:

2018

Language:

english

File:

PDF, 1.28 MB

english, 2018

20

Stress intensity factors for cracks emanating from a circular hole in an infinite quasi-orthotropic plane

Hajimohamadi, Mojtaba, Ghajar, Rahmatollah

Journal:

Fatigue & Fracture of Engineering Materials & Structures

Year:

2018

Language:

english

File:

PDF, 608 KB

english, 2018

21

Numerical analysis of hydrodynamic interaction between the linear waves of Caspian Sea and Amirkabir semi-submersible drilling platform

Ghajar, Rahmatollah, Ghoreishi, Seyed Mohammad Navid

Journal:

Engineering Solid Mechanics

Year:

2013

Language:

english

File:

PDF, 1.10 MB

english, 2013

22

Numerical analysis of hydrodynamic interaction between the linear waves of Caspian Sea and Amirkabir semi-submersible drilling platform

Ghajar, Rahmatollah, Ghoreishi, Seyed Mohammad Navid

Journal:

Engineering Solid Mechanics

Year:

2013

File:

PDF, 1.10 MB

2013

23

A new simple method for calculating notch root stress and strain of plane problems subjected to monotonic loading up to general yielding

Tavakkoli, Farzin, Ghajar, Rahmatollah

Journal:

Journal of the Brazilian Society of Mechanical Sciences and Engineering

Year:

2020

File:

PDF, 934 KB

2020

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