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3Â¥: Originally posted by CFD_light at 2015-06-29 05:17:07
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liyuanbo1027: ½ð±Ò+20, ¡ïÓаïÖú 2015-06-29 08:36:46
The gradients stored in variables with the _G suffix are non-limited values and if used to reconstruct values within the cell (at faces, for example), may potentially result in values that are higher (or lower) than values in the surrounding cells. Therefore, if your UDF needs to compute face values from cell gradients, you should use the reconstruction gradient (RG) values instead of non-limited gradient (G) values. Reconstruction gradient variables are identified by the suffix _RG, and use the limiting method that you have activated in your ANSYS Fluent model to limit the cell gradient values
ÎÒÒÔǰ·¢Ìû ÓÐÈË˵ÊÇ ÖØ¹¹µÄÌݶÈÊǶÔԭʼÌݶȵÄÒ»¸ö¡°ÓÐЧ¡±ÏÞÖÆ£¬·ÀÖ¹ÔÚÖÜΧµ¥ÔªÖгöÏÖ¡°¹ý´óÖµ»ò¹ýСֵ¡±¡£ Ï൱ÓÚÒ»¸öÇúÏß×öÁËÀàËÆ¡°Æ½»¬´¦Àí¡±£¿
2Â¥2015-06-28 23:49:06
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liyuanbo1027

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2Â¥: Originally posted by Lin_wg at 2015-06-28 23:49:06
The gradients stored in variables with the _G suffix are non-limited values and if used to reconstruct values within the cell (at faces, for example), may potentially result in values that are higher ...

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