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Çѱ¹¼öÀÚ¿øÇÐȸ / v.40, no.2, 2007³â, pp.135-146
ÇѰ­ º»·ù¿¡ÀÇ Àû¿ëÀ» À§ÇÑ FLDWAV ¸ðÇüÀÇ °³¼±
( Enhancement of FLDWAV Model for Its Application to the Main Reach of the Han River )
Àü°æ¼ö;±èÁø¼ö;ÀÌ»óÈ£; ¼º±Õ°ü´ëÇб³ Åä¸ñȯ°æ°øÇаú;¼º±Õ°ü´ëÇб³ Åä¸ñȯ°æ°øÇаú ´ëÇпø;ºÎ°æ´ëÇб³ °Ç¼³°øÇкÎ;
 
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ÇѰ­ º»·ùÀÇ Àá½Ç ¹× ½Å°î ¼öÁߺ¸°¡ È帧¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ÀûÀýÈ÷ ¸ðÀÇÇÒ ¼ö ÀÖµµ·Ï FLDWAV ¸ðÇüÀ» ¼öÁ¤, °³¼±ÇÏ¿´´Ù. °íÁ¤º¸ Ãø¿¡¼­ ¹ß»ýÇÏ´Â ¿ù·ùÇü È帧¿¡ ´ëÇØ¼­´Â ¿ù·ù À¯·® °ü°è½ÄÀ», °¡µ¿º¸ Ãø¿¡¼­ÀÇ ÇϵµÇü È帧¿¡ ´ëÇØ¼­´Â Manning ÇüÀÇ À¯·®°ü°è½ÄÀ» °¢°¢ Àû¿ëÇÔÀ¸·Î½á º¹ÇÕÀûÀÎ ÇüÅÂÀÇ ¼öÁߺ¸ È帧À» ¸ðÀÇÇϵµ·Ï ÇÏ¿´´Ù. ¿ù·ù À¯·®½ÄÀ¸·Î´Â ¼öÁß À§¾îÇü ¹× ÀÚÀ¯ ¿ù·ùÇü È帧¿¡ ´ëÇÑ ½ÄµéÀÌ Àû¿ë °¡´ÉÇϸç, °¡µ¿º¸ °³¹æ½Ã ¶Ç´Â ¹Ì°³¹æ½ÃÀÇ È帧À» ¸ðµÎ ¸ðÀÇÇÒ ¼ö ÀÖ´Ù. ¸ðÇüÀÇ Àû¿ë¼ºÀ» °ËÁõÇϱâ À§ÇÏ¿© ¼öÁߺ¸ ÁöÁ¡¿¡¼­ÀÇ ´Ù¾çÇÑ Á¶°Ç¿¡ ´ëÇÏ¿© °è»êÀ» ¼öÇàÇÑ °á°ú, °¢ °æ¿ì¿¡ ´ëÇÑ ¹è¼öÈ¿°ú°¡ Àß ¸ðÀǵǾú´Ù. $M_2$ ¹× $S_2$, 2°³ ºÐÁ¶¿¡ ´ëÇÑ ÇÕ¼º Á¶À§¸¦ »ý¼º, ´ëÁ¶ ¹× ¼ÒÁ¶½ÃÀÇ Á¶À§ Á¶°ÇÀ» ÇÏ·ù´Ü °æ°èÁ¶°ÇÀ¸·Î ÇÏ¿© °ú°Å È«¼ö»ç»ó¿¡ ´ëÇÑ ¸ðÀǰè»êÀ» ¼öÇàÇÏ¿´´Ù. È«¼ö±Ô¸ð°¡ ÀÛÀ»¼ö·Ï ´ëÁ¶ ¹× ¼ÒÁ¶ ½Ã °è»êÀ¯·®ÀÇ Â÷À̰¡ Ä¿Áö°í, °¨Á¶±¸°£µµ »ó·ùÂÊÀ¸·Î È®ÀåµÇ´Â °æÇâÀÌ ¸íÈ®È÷ ³ªÅ¸³µ´Ù. Æò¼ö½Ã È帧¿¡ ´ëÇÑ ¸ðÀDZâ´ÉÀ» °Ë»çÇÑ °á°ú, ¼öÁߺ¸ÀÇ Á¸Àç·Î ÀÎÇÑ ¼öÀ§ÀÇ ºÒ¿¬¼Ó¼ºÀÌ Àß ¸ðÀǵǾú´Ù.
FLDWAV model was modified such that it can adequately simulate the effect of Jamsil and Singok submerged weirs in the main reach of the Han River. The enhanced model combines weir-type discharge equations for overflow at fixed weir and Manning equation for fluvial-type flow at the movable weir. Equations for weir overflow include those for submerged weir flow and free overflow. Gates of the movable weir may be open or closed for the simulation. In order to test the simulation capabilities, the enhanced model was applied for various flow conditions at submerged weirs. Backwater effect due to Jamsil and Singok submerged weirs were well simulated. Simulations were carried out for spring and neap tides extracted from artificial tide generated by combining $M_2;and;S_2$ tidal constituents. Simulation results cleared indicated that tidal effect extends further upstream as the flood discharge decreases. Low flow simulation capabilities of the enhanced model was tested. Discontinuities of water surface elevation due to the submerged weirs were successively simulated.
 
Ű¿öµå
FLDWAV ¸ðÇü;ºÎÁ¤·ù;¼öÁߺ¸;ÇѰ­;FLDWAV model;unsteady flow;submerged weir;Han River;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.40, no.2, 2007³â, pp.135-146
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200710912630836)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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