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zmh0611: ½ð±Ò+200, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2017-07-31 13:30:18
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To effectively simulate the impact response characteristic and thus provide reliable data for prediction of stability of XX material, algorithm XX, algorithm XX, algorithm XX  were respectively employed for numerical simulation of impact test and drop test of xx material. Then the advantages and disadvantages among the three algorithms were discussed and compared.

½á¹û±íÃ÷£¬XXËã·¨ Äܹ»¸üΪÓÐЧµÄ Ä£Äâxx²ÄÁÏ ÊÜײºóµÄ Á¦Ñ§ÏìÓ¦ÎÊÌ⣬ÇÒ ¾«¶È¸ü¸ß¡£ÔÚµøÂäÊÔÑéÄ£ÄâÖУ¬XXËã·¨ µÃµ½µÄ ѹÁ¦¼° ¹ýÔØÇúÏß µÄÉÏÉýËÙÂÊ Óë ʵ²âÖµ ¸üΪ½Ó½ü£¬×î´óѹÁ¦ Îó²îÒ²¸üС£»ÔÚײ»÷ÊÔÑéÄ£ÄâÖУ¬xxËã·¨µÃµ½ µÄѹÁ¦Ê±³ÌÇúÏß Óë ÊÔÑéÖµ¸üÎǺϣ¬Ó¦±äÖµ Óë ÊÔÑéֵƫ²î¸üС£¬²ÄÁÏÊÜײ»÷ºóµÄ ÏÖÏó Ò²ÓëÊÔÑé ½ÏΪÏàËÆ¡£XXËã·¨ Äܹ»ÔÚÒ»¶¨³Ì¶ÈÉÏ ±íÏÖ³öxx²ÄÁÏÔÚ ¼ÓÔØ¹ý³ÌÖÐµÄ Ïà¶Ô»¬ÒÆ ¼° Á÷¶¯ÌØÐÔ£¬¶ÔÓÚ Ä£Äâxx²ÄÁÏÔÚ ÊÜײ»÷ºó ²úÉú´ó±äÐ뵀 ÎÊÌâ ÓÐÒ»¶¨ÓÅÊÆ¡£
Results showed that algorithm XX can simulate the mechanical response material xx after being impacted more efficiently and more accurately. In the simulation of drop test, the ascending rates of pressure curve and g curve obtained by algorithm XX were more similar to measured value, and the maximum pressure error was relatively smaller; in the simulation of impact test, the pressure time interval curve obtained by algorithm xx was more consistent with test value, the deviation between strain value and test value was smaller, and the situation after being impacted was more similar to real test situation. Algorithm XX can show the relative slippage and flow characteristic of material xx in certain degree, which enjoys advantages in simulating large deformation of material xx after being impacted.
2Â¥2017-07-27 10:00:43
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