Hybrid Full-Field Stress Analysis Around Holes in Tensile-Loaded Plates by Phase-Shifting Photoelasticity

Baek, Tae Hyun; Panganiban, Henry; Lee, Choon Tae; Chung, Tae Jin

doi:10.4028/0-87849-440-5.865

Cited by 2 publications

(3 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This method can then be directly applied to obtain mixed mode stress intensity factors from the experimentally measured isochromatic data along the straight lines. It may be convenient to use photoelastic phase-shifting method to obtain isochromatic data along a straight line [7,22]. The use of hybrid method has a potential future and the results attained in this study can be used for bench mark test in theoretical simulation and experiment.…”

Section: Discussionmentioning

confidence: 85%

Hybrid determination of mixed-mode stress intensity factors on discontinuous finite-width plate by finite element and photoelasticity

2011

Self Cite

View full text Add to dashboard Cite

For isotropic material structure, the stress in the vicinity of crack tip is generally much higher than the stress far away from it. This phenomenon usually leads to stress concentration and fracture of structure. Previous researches and studies show that the stress intensity factor is one of most important parameter for crack growth and propagation. This paper provides a convenient numerical method, which is called hybrid photoelasticity method, to accurately determine the stress field distribution in the vicinity of crack tip and mixed-mode stress intensity factors. The model was simulated by finite element method and isochromatic data along straight lines far away from the crack tip were calculated. By using the isochromatic data obtained from finite element method and a conformal mapping procedure, stress components and photoelastic fringes in the hybrid region were calculated. To easily compare calculated photoelastic fringes with experiment results, the fringe patterns were reconstructed, doubled and sharpened. Good agreement shows that the method presented in this paper is reliable and convenient. This method can then directly be applied to obtain mixed mode stress intensity factors from the experimentally measured isochromatic data along the straight lines.

show abstract

Section: Discussionmentioning

confidence: 85%

Hybrid determination of mixed-mode stress intensity factors on discontinuous finite-width plate by finite element and photoelasticity

2011

Self Cite

View full text Add to dashboard Cite

show abstract

“…Classical photoelastic analysis of elliptically perforated members requires physically modelling the actual problem [23–28]. An alternative method could be to employ reflective grey‐field photoelasticity [41, 43].…”

Section: Summary Discussion and Conclusionmentioning

confidence: 99%

“…These solutions usually employ complex, rather than the present simpler, real variables and are typically restricted to infinite geometry. Members containing elliptical holes have been studied photoelastically [23–29] and formulated thermoelastically [30]. The latter TSA concept again uses complex variables and mapping.…”

Section: Introductionmentioning

confidence: 99%

Experimentally Determined Stresses Associated with Elliptical Holes Using Polar Coordinates

Khaja

Rowlands

2013

Strain

View full text Add to dashboard Cite

This paper determines the individual components of stress experimentally in a finite tensile plate containing an elliptical hole using a series representation of an Airy stress function in terms of polar coordinates. The Airy coefficients are evaluated from measured temperature information. As well as satisfying force equilibrium, the thermoelastic results are substantiated independently using strain gages and finite element analysis. Employing real, rather than the commonly used complex, variables can be easier for such problems, avoids inconveniences associated with conformal mapping and the concept is applicable to experimental analysis of arbitrarily shaped and/or loaded cut-outs.

show abstract

Hybrid Full-Field Stress Analysis Around Holes in Tensile-Loaded Plates by Phase-Shifting Photoelasticity

Cited by 2 publications

References 0 publications

Hybrid determination of mixed-mode stress intensity factors on discontinuous finite-width plate by finite element and photoelasticity

Hybrid determination of mixed-mode stress intensity factors on discontinuous finite-width plate by finite element and photoelasticity

Experimentally Determined Stresses Associated with Elliptical Holes Using Polar Coordinates

Contact Info

Product

Resources

About