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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.1, 1997³â, pp.5-18
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Æ÷ÈµÈ ´Ù°ø¼º Áö¹ÝÀÇ ¸ðµ¨¸µÀ» À§ÇÑ µ¿ÀûÇØ¼® ÇÁ·Î±×·¥(MPDAP)ÀÇ ÀÌ·Ð ¹× ÀÌÀÇ °ËÁõ¿¡ °ýÇÑ ¿¬±¸
( A Study on the Theory and Its Verification of Dynamic Analysis Program (MPDAP) for Modelling of Saturated Multi Phase Porous Media ) |
| ±è±¤Áø;¹®È«µæ; Á¤È¸¿ø, CTR»ç »çÀå;Á¤È¸¿ø, Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý¿¬±¸½Ç ½ÇÀå, Á¤È¸¿ø, Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý¸é±¸½Ç ¼±ÀÓ¿¬±¸¿ø, Á¤È¸¿ø, Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý¿¬±¸½Ç ¿¬±¸¿ø;
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| ÀϹÝÀûÀ¸·Î Æ÷ÈÁö¹ÝÀÇ µ¿Àû°Åµ¿À» Á¤È®È÷ ¿¹ÆíÇϱâ À§Çؼ´Â ´Ù°ø¼º(multi-phase) Àç·á¸ðµ¨°ú ±× ¸ðµ¨À» ÀÌ¿ëÇÏ´Â ¼öÄ¡ÇØ¼® ÇÁ·Î±×·¥ÀÇ °³¹ßÀÌ ÇÊ¿äÇÏ´Ù. º» ³í¹®¿¡¼´Â ³ôÀº µ¿ÇÏÁßÀ» ¹Þ´Â ´Ù°øÁú Àç·áÀÇ ÀÌ·ÐÀûÀÎ °Åµ¿Çؼ® ¿¬±¸°á°ú¿Í ÇÔ²² ±âÁ¸ MPDAP(multi-phase dynamic analysis program)¿¡ JWL(Jones-Withins-Lee) ¸ðµ¨À» »ðÀÔ½ÃÄÑ °³¹ßÇÑ MPDAP¿¡ ´ëÇØ ´Ù·ç¾ú´Ù. JWL¸ðµ¨Àº ±âÁ¸ ¸ðµ¨°ú´Â ´Þ¸® Æø¾àÀÇ Á¾·ù ¹× Ư¼º µîÀ» °í·ÁÇÒ ¼ö ÀÖ´Â ¸ðµ¨ÀÌ´Ù. ¶ÇÇÑ º» ³í¹®¿¡¼´Â °³¹ßµÈ ÇÁ·Î±×·¥ÀÇ ÀûÇÕ¼ºÀ» Á¶»çÇϱâ À§ÇÏ¿© ¸î¸î ¿¹Á¦¿¡ ´ëÇÑ °ËÁõÇØ¼®À» ¼öÇàÇÏ¿´´Ù. °ËÁõ°á°ú, ´ÜÀϸÅü (single-phase medium)¿¡¼ÀÇ Åº¼º±¸ÇüÆÄÀÇ ÀüÆÄƯ¼º ÇØ¼®ÀÇ °æ¿ì ÇØ¼®°á°ú¿Í ÀÌ·ÐÇØ´Â °ÅÀÇ ÀÏÄ¡ÇÏ´Â °á°ú¸¦ ³ªÅ¸³»¾ú°í, ÀÏÂ÷¿ø ¼±Çü ¾Ð¹ÐÇØ¼®ÀÇ °æ¿ì°úÀ× °£±Ø¼ö¾ÐÀº TerzaghiÀÇ ÀÌ·ÐÇØ¿Í ÇØ¼®µÈ °á°ú°¡ ºñ±³Àû ÀÏÄ¡ÇÏ´Â °æÇ⼺À» º¸¿© ÁÖ¾ú´Ù. ¶ÇÇÑ Æ÷ÈÁö¹Ý¿¡¼ÀÇ Æò¸é ¾ÐÃàÆÄ ÇØ¼®ÀÇ °æ¿ìµµ ÇØ¼®°á°ú¿Í ÀÌ¹Ì °ËÁõµÈ ÇÁ·Î±×·¥ ¶Ç´Â ¿ÏÀüÇØÀÇ ÇØ¼®°á°ú´Â °ÅÀÇ À¯»çÇÏ°Ô ³ªÅ¸³ª´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. |
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| In order to make reliable ground shock predictions in saturated geological media, it is necessary to use multi -phase material models and numerical codes. This paper presents the results of theoretical study of the fundamental behavior of multi-phase porous media subjected to high dynanlic loadings, and deals with the development of numerical code MPDAP with JWL(Jones-Wilkins-Lee) model, which is capable of considering the kinds and characters of explosives. To check the global equilhorium equations of the numerical code, we carried out some verifications. In the cases of the elastic spherical wave propagation in a single phase medium, one-dimensional linear ronsolidation, and one timensional wave propagation in saturated linear elastic soils and rocks, the results calculated by MPDAP show close agreement with closed-form solutions or numerical solutions generated with two phase code. |
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| Ű¿öµå |
| Modelling;MPDAP;Blast;JWL model;Explosives;Wave propagation;Dynamic loading;Multi-phase porous media; |
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.1, 1997³â, pp.5-18
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447080)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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