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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.2, 1997³â, pp.29-38
´ëº¯Çü ź¼Ò¼ºÀ¯ÇÑ¿ä¿À¹ý¿¡ ÀÇÇÑ Àç·áÀÇ ¿¬È­Çö»óÀ» °í·ÁÇÑ ÆÄ±«°Åµ¿Çؼ®
( Finite Element Method for Failure Analysis Considering Large Deformation and Strain Softening )
±è¿µ¹Î; Á¤È¸¿ø, ÀüÁÖ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñȯ°æ°øÇаú;
 
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¾Ï¼®°ú °°Àº Áö¹ÝÀç·á¸¦ Àü´ÜÇÏ°Ô µÇ¸é ÀÀ·Â-º¯Çü·ü°ü°è¿¡¼­ º¯Çü·ü¿¬È­Çö»óÀÌ °üÂûµÇ¾îÁø´Ù. º¯Çü·ü¿¬È­Çö»óÀº Áö¹Ý°øÇй®Á¦¿¡¼­ ³íÇϰí ÀÖ´Â ÆÄ±«°Åµ¿Çö»ó°ú ¹ÐÁ¢ÇÑ °ü°è°¡ ÀÖÀ¸¹Ç·Î ±× °Åµ¿À» ¹¦»çÇÒ ¼ö ÀÖ´Â ¼öÄ¡ÇØ¼®¹æ¹ýÀÇ È®¸³ÀÌ Áß¿äÇÏ´Ù. º» ³í¹®¿¡¼­´Â ´ëº¯Çü ź¼Ò¼ºÀ¯ÇÑ¿ä¼Ò¹ýÀ» ÀÌ¿ëÇÏ¿© Áö¹ÝÀç·áÀÇ ÆÄ±«°Åµ¿¸¦ ¹¦»çÇϱâ À§Çؼ­ Àç·áÀÇ ¿¬È­¼ºÁúÀ» µµÀÔÇÏ¿© ÇØ¼®ÇÏ´Â °æ¿ì, °í·ÁÇØ¾ß ÇÒ ¿ä¼ÒÀÇ ¼±ÅÃ, ¹èÄ¡, ÃʱâºÎÁ¤ÀÇ ¿µÇâ, ¹Ì¼Òº¯Çü°ú ´ëº¯Çü ÇØ¼®ÀÇ Â÷ÀÌ, ÃÖ°íÁ¡ ÇÏÁßÈÄÀÇ ÇÏÁßÁ¦¾î¸¦ Çϱâ À§ÇÑ º¯À§Á¦¾î ¹× ¾Ð·ÂÁ¦¾îÀÇ Â÷ÀÌ¿¡ ´ëÇÏ¿© °ËÅäÇÏ¿´´Ù.
Strain softening is observed for geomaterials such as rocks when they are sheared. The proper computational modelling for strain softening is very important because this behavior is closely related to failure in geotechnical problems. In this paper, we have investigated the proper FEM techniques for modelling strain softening in order to simulate failure behavior numerically. In showing numerical examples, the effects of element shape, mesh pattern and of imperfection and the difference between small and large deformation theories, of displacement control and pressure control after peak have been discussed.
 
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Strain softenig;FEM;large deformation theory;pressure control;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.2, 1997³â, pp.29-38
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447243)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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