A general solution for stresses around holes in symmetric laminates under inplane loading

Ukadgaonker, Vijay G.; Rao, D. K.

doi:10.1016/s0263-8223(00)00070-2

Cited by 111 publications

(64 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For an elliptical hole, the stresses have also been analyzed by Ukadgaonker and Rao (2000). To verify the fundamental theories of Section 2, we compared the normalized stresses of σ x , σ y and τ xy along the hole boundary with the results obtained by Ukadgaonker and Rao (2000, Table 2.…”

Section: Elliptical Holementioning

confidence: 99%

Optimum design of fiber angle and hole orientation of an orthotropic plate

Zhang

Wang

et al. 2018

jtam

View full text Add to dashboard Cite

With the goal of decreasing the stress concentration along the hole boundary in an orthotropic plate under inequi-biaxial loadings, an optimum design of the fiber angle and hole orientation is presented. The maximum absolute tangential stress along the hole boundary is taken as the objective function, and the fiber orientation angle and the hole orientation angle are considered as design variables. The conformal transformation method of a complex function and the Differential Evolution (DE) algorithm are used. Two non-circular shapes, ellipse and hexagon are taken as examples to analyze the problem. Based on the results, we can conclude that the major axis of elliptical holes should be designed in the direction of the maximum external loading for a perforated structure in an orthotropic plate. However, the principal direction that has the larger Young's modulus should be inclined to the direction of the minimum loading, especially for a significantly orthotropic plate.

show abstract

Section: Elliptical Holementioning

confidence: 99%

Optimum design of fiber angle and hole orientation of an orthotropic plate

Zhang

Wang

et al. 2018

jtam

View full text Add to dashboard Cite

show abstract

“…There are many literature focusing on the stress distribution around cutout of finite and infinite composite plate with external loading in recent years. Ukadgaonker et al [10,11] developed a general solution for stresses around triangular and arbitrary shape of holes in symmetrical laminates and unsymmetrical laminates under in-plane loading. Hufenbach et al [12e15] published several analytical results of stress concentration for the case of elliptical, triangular, or square holes in single-layered composite plates and finite outer boundary.…”

Section: Introductionmentioning

confidence: 99%

Stress distribution modeling for interference-fit area of each individual layer around composite laminates joint

Song

Yuan

Zhang

et al. 2015

Composites Part B: Engineering

View full text Add to dashboard Cite

“…Using the complex potential method in the plane theory of elasticity of an isotropic body, an analytical solution concerned with stress concentration around an elliptical hole or holes in finite composite fibrous plate is obtained. Ting et al [11,12] presented the alternative method to study the stress distributions of the multiple Ukadgaonker and Rao [13] proposed a general solution for stresses around hole in symmetric laminates under inplane loading by introducing a general form of mapping function and an arbitrary biaxial loading condition to the boundary conditions, and the basic formulation is extended for multilayered plates. Troyani et al [14] have determined the in-plane theoretical stress concentration factors for short rectangular plates with central circular holes subjected to uniform tension using finite element method.…”

Section: Introductionmentioning

confidence: 99%

Three Dimensional Parametric Analyses of Stress Concentration Factor and Its Mitigation in Isotropic and Orthotropic Plate with Central Circular Hole Under Axial In-Plane Loading

Nagpal

Jain

Sanyal

2015

J. Inst. Eng. India Ser. C

View full text Add to dashboard Cite

The problem of finding the stress concentration factor of a loaded rectangular plate has offered considerably analytical difficulty. The present work focused on understanding of behavior of isotropic and orthotropic plate subjected to static in-plane loading using finite element method. The complete plate model configuration has been analyzed using finite element method based software ANSYS. In the present work two parameters: thickness to width of plate (T/A) and diameter of hole to width of plate (D/A) have been varied for analysis of stress concentration factor (SCF) and its mitigation. Plates of five different materials have been considered for complete analysis to find out the sensitivity of stress concentration factor. The D/A ratio varied from 0.1 to 0.7 for analysis of SCF and varied from 0.1 to 0.5 for analyzing the mitigation of SCF. 0.01, 0.05 and 0.1 are considered as T/A ratio for all the cases. The results are presented in graphical form and discussed. The mitigation in SCF reported is very encouraging. The SCF is more sensitive to D/A ratio as compared to T/A.

show abstract

A general solution for stresses around holes in symmetric laminates under inplane loading

Cited by 111 publications

References 16 publications

Optimum design of fiber angle and hole orientation of an orthotropic plate

Optimum design of fiber angle and hole orientation of an orthotropic plate

Stress distribution modeling for interference-fit area of each individual layer around composite laminates joint

Three Dimensional Parametric Analyses of Stress Concentration Factor and Its Mitigation in Isotropic and Orthotropic Plate with Central Circular Hole Under Axial In-Plane Loading

Contact Info

Product

Resources

About