ON MULTIPLE DELAMINATION BUCKLING OF COMPOSITE STRUCTURES
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1999
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| _version_ | 1866902217732128768 |
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| author | Shapour Moradi Farid Taheri |
| author_facet | Shapour Moradi Farid Taheri |
| contents | In this study the buckling response of a one-dimensional composite beam having multiple delaminations and subjected to axial compressive load is modelled by the method of differential quadrature. The delaminations are considered to be in arbitrary locations through-the-width, and along the span of the beam. A beam theory with shear deformation is used to formulate the problem. To model the problem, the beam is divided into a series of regions bounded by the delaminated segments. Using DQM, the system of equilibrium equations and the boundary conditions are transformed into a system of linear algebraic eigenvalue equations that are solved by a standard eigen-solver. The influences of several parameters that affect the buckling strength of such laminates are investigated. The numerical results obtained from a series of case studies are compared with those of the finite elements method and other published results. These comparisons confirm the efficiency and accuracy of the method. |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_15419750 |
| institution | Zenodo |
| language | |
| publishDate | 1999 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | ON MULTIPLE DELAMINATION BUCKLING OF COMPOSITE STRUCTURES Shapour Moradi Farid Taheri In this study the buckling response of a one-dimensional composite beam having multiple delaminations and subjected to axial compressive load is modelled by the method of differential quadrature. The delaminations are considered to be in arbitrary locations through-the-width, and along the span of the beam. A beam theory with shear deformation is used to formulate the problem. To model the problem, the beam is divided into a series of regions bounded by the delaminated segments. Using DQM, the system of equilibrium equations and the boundary conditions are transformed into a system of linear algebraic eigenvalue equations that are solved by a standard eigen-solver. The influences of several parameters that affect the buckling strength of such laminates are investigated. The numerical results obtained from a series of case studies are compared with those of the finite elements method and other published results. These comparisons confirm the efficiency and accuracy of the method. |
| title | ON MULTIPLE DELAMINATION BUCKLING OF COMPOSITE STRUCTURES |
| url | https://doi.org/10.5281/zenodo.15419750 |