Stress Analysis of a Square Elastic Body Under Biaxial Loading Using Airy Stress Functions
Fuente:
arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866908777968566272 |
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| author | Suzuki, Ryu Hokada, Shintaro Takada, Satoshi |
| author_facet | Suzuki, Ryu Hokada, Shintaro Takada, Satoshi |
| contents | This study presents an analytical investigation of stress distributions in square-shaped elastic bodies subjected to concentrated compressive loads under uniaxial and biaxial conditions. By employing the Airy stress function method, we derive closed-form solutions that satisfy the governing biharmonic equation and the prescribed boundary conditions along the edges of the square domain. The stress components are expressed as series expansions, with coefficients determined to enforce boundary constraints. In the uniaxial compression case, the resulting stress fields exhibit strong agreement with photoelastic fringe patterns previously observed in experimental studies. For biaxial loading, the solution represents a superposition of two orthogonal compression scenarios, producing spatial variations in the principal stress difference depending on the location within the domain. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_19501 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Stress Analysis of a Square Elastic Body Under Biaxial Loading Using Airy Stress Functions Suzuki, Ryu Hokada, Shintaro Takada, Satoshi Classical Physics Soft Condensed Matter This study presents an analytical investigation of stress distributions in square-shaped elastic bodies subjected to concentrated compressive loads under uniaxial and biaxial conditions. By employing the Airy stress function method, we derive closed-form solutions that satisfy the governing biharmonic equation and the prescribed boundary conditions along the edges of the square domain. The stress components are expressed as series expansions, with coefficients determined to enforce boundary constraints. In the uniaxial compression case, the resulting stress fields exhibit strong agreement with photoelastic fringe patterns previously observed in experimental studies. For biaxial loading, the solution represents a superposition of two orthogonal compression scenarios, producing spatial variations in the principal stress difference depending on the location within the domain. |
| title | Stress Analysis of a Square Elastic Body Under Biaxial Loading Using Airy Stress Functions |
| topic | Classical Physics Soft Condensed Matter |
| url | https://arxiv.org/abs/2508.19501 |