Static and mode analyses of composite plates using modified 16-node solid elements, and prediction of stiffness errors resulting from reduced integration

被引：0
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作者：
Kwon, Y.D. [1 ]
Kim, Y.S. [1 ]
Yun, T.H. [2 ]
Cho, M.H. [3 ]
机构：
[1] Department of Mechanical Engineering, Kyungpook National University, Taegu 702-701, Korea, Republic of
[2] Department of Mechanical Design, Kumi College, Kumi 730-170, Korea, Republic of
[3] Graduate School, Kyungpook National University, Taegu 702-701, Korea, Republic of
来源：
Key Engineering Materials | 2000年 / 183卷
关键词：
Errors - Finite element method - Integration - Laminated composites - Modal analysis - Stiffness - Stiffness matrix;
D O I：
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摘要：
In this paper, an equation for sampling point modification is derived which can correct the stiffness stiffening phenomena in a composite plate. This stiffening phenomena is corrected by modifying Gauss sampling points in the numerical integration of stiffness matrix. The stiffness is assumed to be a quadratic function, thereby enabling the prediction of the errors caused by reduced integration. This assumption is confirmed through a comparison of the predicted and actual errors.
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  • [1] Static and mode analyses of composite plates using modified 16-node solid elements, and prediction of stiffness errors resulting from reduced integration
    Kwon, YD
    Kim, YS
    Yun, TH
    Cho, MH
    FRACTURE AND STRENGTH OF SOLIDS, PTS 1 AND 2, 2000, 183-1 : 355 - 360
  • [2] Finite element analyses of specific damping capacity and undamped/damped forced motion of composite plate using modified 16-node solid elements
    Yun, TH
    Kwon, YD
    Kim, C
    Park, JG
    FRACTURE AND STRENGTH OF SOLIDS, PTS 1 AND 2, 2000, 183-1 : 469 - 474
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