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solid185µ¥ÔªµÄKEYOPT(2)ÈçÏ£º KEYOPT(2) Element technology: 0 -- Full integration with method (default) 1 -- Uniform reduced integration with hourglass control 2 -- Enhanced strain formulation 3 -- Simplified enhanced strain formulation Çë°ïæ½âÊÍÏ£¬ÕâЩÉèÖö¼ÊÇʲôÒâ˼£¬ÓÃÔÚʲôµØ·½¡£ ÎÒ×÷º¸½Ó·ÂÕæ£¬Õâ¸öÓ¦¸ÃÔõôÉèÖᣠ|
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ÔÚ ANSYS °ïÖúÎļþµÄÀíÂÛ²¿·ÖÓйØÓÚ solid185 µ¥ÔªµÄÏêϸ½éÉÜ¡£ÆäÖжÔÓÚ keyopt(2) µÄ˵Ã÷ÈçÏ£º 14.185.4. Theory If KEYOPT(2) = 0 (not applicable to layered SOLID185), this element uses method (selective reduced integration technique for volumetric terms) (Hughes(219), Nagtegaal et al.(220)). If KEYOPT(2) = 1 (not applicable to layered SOLID185), the uniform reduced integration technique (Flanagan and Belytschko(232)) is used. If KEYOPT(2) = 2 or 3, the enhanced strain formulations from the work of Simo and Rifai(318), Simo and Armero(319), Simo et al.(320), Andelfinger and Ramm(321), and Nagtegaal and Fox(322) are used. It introduces 13 internal degrees of freedom to prevent shear and volumetric locking for KEYOPT(2) = 2, and 9 degrees of freedom to prevent shear locking only for KEYOPT(2) = 3. If mixed u-P formulation is employed with the enhanced strain formulations, only 9 degrees of freedom for overcoming shear locking are activated. |
2Â¥2018-04-27 08:12:26
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3Â¥2018-04-27 09:10:05














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