Investigation of stress intensity factor for internal cracks in FG cylinders under static and dynamic loading
This paper investigates the variations of mode I stress intensity factor (KI) for inner penny-shaped and circumferential cracks in functionally graded solid and hollow thick walled cylinders, respectively with the changes of crack geometry, material gradation and loading conditions. The functionally...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Gruppo Italiano Frattura
2016-12-01
|
| Series: | Fracture and Structural Integrity |
| Subjects: | |
| Online Access: | https://www.fracturae.com/index.php/fis/article/view/1830 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850056230872023040 |
|---|---|
| author | Mahmoud Shariati Masoud Mahdizadeh Rokhi Hassan Rayegan |
| author_facet | Mahmoud Shariati Masoud Mahdizadeh Rokhi Hassan Rayegan |
| author_sort | Mahmoud Shariati |
| collection | DOAJ |
| description | This paper investigates the variations of mode I stress intensity factor (KI) for inner penny-shaped and circumferential cracks in functionally graded solid and hollow thick walled cylinders, respectively with the changes of crack geometry, material gradation and loading conditions. The functionally graded material of cylinders consists of epoxy and glass. It is assumed that the mechanical properties vary with a power law in the radial direction of cylinders. Micromechanical models for conventional composites are used to estimate the material properties of functionally graded cylinders. The equations of motion obtained from the extended finite element discretization are solved by the Newmark method in the time domain. The interaction integral method is employed to calculate the mode I stress intensity factor (KI). The MATLAB programming environment was implemented to solve the problem. |
| format | Article |
| id | doaj-art-d5deeb2dc2bb4c43a9948ecddda467f4 |
| institution | DOAJ |
| issn | 1971-8993 |
| language | English |
| publishDate | 2016-12-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-d5deeb2dc2bb4c43a9948ecddda467f42025-08-20T02:51:45ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932016-12-011139Investigation of stress intensity factor for internal cracks in FG cylinders under static and dynamic loadingMahmoud ShariatiMasoud Mahdizadeh RokhiHassan RayeganThis paper investigates the variations of mode I stress intensity factor (KI) for inner penny-shaped and circumferential cracks in functionally graded solid and hollow thick walled cylinders, respectively with the changes of crack geometry, material gradation and loading conditions. The functionally graded material of cylinders consists of epoxy and glass. It is assumed that the mechanical properties vary with a power law in the radial direction of cylinders. Micromechanical models for conventional composites are used to estimate the material properties of functionally graded cylinders. The equations of motion obtained from the extended finite element discretization are solved by the Newmark method in the time domain. The interaction integral method is employed to calculate the mode I stress intensity factor (KI). The MATLAB programming environment was implemented to solve the problem.https://www.fracturae.com/index.php/fis/article/view/1830Stress intensity factorFunctionally graded cylindersPennyshaped cracksCircumferential cracksExtended finite element methodRotational speed |
| spellingShingle | Mahmoud Shariati Masoud Mahdizadeh Rokhi Hassan Rayegan Investigation of stress intensity factor for internal cracks in FG cylinders under static and dynamic loading Fracture and Structural Integrity Stress intensity factor Functionally graded cylinders Pennyshaped cracks Circumferential cracks Extended finite element method Rotational speed |
| title | Investigation of stress intensity factor for internal cracks in FG cylinders under static and dynamic loading |
| title_full | Investigation of stress intensity factor for internal cracks in FG cylinders under static and dynamic loading |
| title_fullStr | Investigation of stress intensity factor for internal cracks in FG cylinders under static and dynamic loading |
| title_full_unstemmed | Investigation of stress intensity factor for internal cracks in FG cylinders under static and dynamic loading |
| title_short | Investigation of stress intensity factor for internal cracks in FG cylinders under static and dynamic loading |
| title_sort | investigation of stress intensity factor for internal cracks in fg cylinders under static and dynamic loading |
| topic | Stress intensity factor Functionally graded cylinders Pennyshaped cracks Circumferential cracks Extended finite element method Rotational speed |
| url | https://www.fracturae.com/index.php/fis/article/view/1830 |
| work_keys_str_mv | AT mahmoudshariati investigationofstressintensityfactorforinternalcracksinfgcylindersunderstaticanddynamicloading AT masoudmahdizadehrokhi investigationofstressintensityfactorforinternalcracksinfgcylindersunderstaticanddynamicloading AT hassanrayegan investigationofstressintensityfactorforinternalcracksinfgcylindersunderstaticanddynamicloading |