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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.4, 2003³â, pp.705-713
Quadtree°ÝÀÚ¸¦ ÀÌ¿ëÇÑ ±ÙÇØÁöÁøÇØÀÏÀÇ Ã³¿À¸§³ôÀÌ °è»ê
( Run-up heights of nearshore tsunami based on quadtree grids )
ÀÎÅÂÈÆ;¹Ú±¸¿ë;Á¶¿ë½Ä; ÇѾç´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;Çö´ë°Ç¼³¢ß Åä¸ñ»ç¾÷º»ºÎ;ÇѾç´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ±ÙÇØ ÁöÁøÇØÀÏ¿¡ ÀÇÇÑ ¿øÇü¼¶ ÁÖº¯¿¡¼­ÀÇ Ã³¿À¸§³ôÀ̸¦ »êÁ¤Çϱâ À§ÇÏ¿© »ç¸é±¸Á¶(quadtree) °ÝÀÚ±â¹ýÀ» ÀÌ¿ëÇÑ ¼öÄ¡¸ðÇüÀ» °³¹ßÇÏ¿´´Ù. ºñ¼±Çü õ¼ö¹æÁ¤½ÄÀ» Áö¹è¹æÁ¤½ÄÀ¸·Î »ç¿ëÇÏ¿´À¸¸ç, ÀûÇÕÈ­µÈ °èÃþÀû »ç¸é±¸Á¶ °ÝÀÚ¸¦ ÀÌ¿ëÇÏ¿© leap-frog ±â¹ýÀ¸·Î ¾çÇØÀûÀ¸·Î À¯ÇÑÂ÷ºÐÇÏ¿´´Ù. ¿øÇü¼¶ ÁÖÀ§¸¦ µû¶ó Àû¿ëµÈ »ç¸é±¸Á¶ °ÝÀÚ´Â »ç°¢Çü ¹× ¿øÇüÀÇ Çü»óÀ¸·Î ¼¼¹ÐÈ­ µÇ¾ú´Ù. °è»êµÈ ¼öÄ¡ÇØ¼®°á°ú¸¦ °ËÁõÇϱâ À§ÇØ ¼ö¸®½ÇÇè°á°ú¿Í ºñ±³ÇÏ¿´À¸¸ç, º» ¿¬±¸ÀÇ °á°ú´Â ¼ö¸®½ÇÇè°á°ú¿Í ¾çÈ£ÇÏ°Ô ÀÏÄ¡ÇÏ¿´´Ù.
To investigate the run-up heights of nearshore tsunamis in the vicinity of a circular island, a numerical model has been developed based on quadtree grids. The governing equations of the model are the nonlinear shallow-water equations. The governing equations are discretized explicitly by using a finite difference leap-frog scheme on adaptive hierarchical quadtree grids. The quadtree grids are generated around a circular island where refined with rectangular or circular domain. Obtained numerical results have been verified by comparing to available laboratory measurements. A good agreement has been achieved.
 
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»ç¸é±¸Á¶(quadtree) °ÝÀÚ±â¹ý;ó¿À¸§;ÁöÁøÇØÀÏ;õ¼ö¹æÁ¤½Ä;quadtree;run-up;tsunami;shallow-water equations;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.4, 2003³â, pp.705-713
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921879191)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

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