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Çѱ¹¼öÀÚ¿øÇÐȸ / v.40, no.11, 2007³â, pp.899-908
´Ù¾çÇÑ ÇÔ¸ôÁöÇü À§¸¦ Åë°úÇÏ´Â ÆÄ¶ûÀÇ ¹Ý»çÀ² ÇØ¼®
( Analysis of Reflection Coefficients of Waves Propagating over Various Depression of Topography )
°­±Ô¿µ;Á¤ÅÂÈ­;Á¶¿ë½Ä; ÇѾç´ëÇб³ Åä¸ñ°øÇаú;ÇѾç´ëÇб³ Åä¸ñ°øÇаú;ÇѾç´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â °íÀ¯ÇÔ¼ö Àü°³¹ýÀ» ÀÌ¿ëÇÏ¿© ´Ù¾çÇÑ ÇüÅÂÀÇ ÇÔ¸ôÁöÇü À§¸¦ Åë°úÇÏ´Â ÆÄ¶ûÀÇ ¹Ý»çÀ²À» °è»êÇÏ¿´´Ù. ±â¿ï±â¿Í °î·üÀÌ º¯ÇÏ´Â Áö¿ª¿¡ °íÀ¯ÇÔ¼ö Àü°³¹ýÀ» Àû¿ëÇÏ¿© ÇØ¼® ½Ã ÇÊ¿äÇÑ ÀûÀýÇÑ ±¸°£ÀÇ ¼ö¿Í ¼Ò¸êÆÄ ¼ººÐÀÇ °³¼ö¸¦ Á¦¾ÈÇÏ¿´´Ù. ÃµÇØ¿ª ¹× Áß°£¼ö½É¿µ¿ªÀ» ¸¸Á·ÇÏ´Â Á¶°Ç¿¡¼­ ´Ù¾çÇÑ ÇüÅÂÀÇ ÇÔ¸ôÁöÇü¿¡ ´ëÇØ ¹Ý»çÀ²À» °è»êÇÏ¿© ÃÖÀûÀÇ È¿À²À» °¡Áö´Â ´Ü¸éÀÇ Çü»óÀ» Á¦½ÃÇÏ¿´À¸¸ç ÃÖÀû ´Ü¸éÀ» 2¿­ ¹× 3¿­·Î ¹è¿­ÇÏ¿© ¹è¿­ °£°Ý¿¡ µû¸¥ ¹Ý»çÀ²À» °è»êÇÏ¿´´Ù.
In this study, wave reflection due to depression of seabed is calculated by using eigenfunction expansion method. The proper numbers of steps and evanescent modes needed for analysis are suggested by applying the eigenfunction expansion method to bottom topography of which slope or curvature varies. While satisfying shallow or intermediate water depth condition, the optimal figure of depression of seabed is obtained by calculating reflection coefficient for various depressions of seabed. The reflection coefficient with distance between the depression of seabeds is then calculated after arraying the optimal geometry in two and three rows.
 
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°íÀ¯ÇÔ¼ö Àü°³¹ý;¹Ý»çÀ²;ÇÔ¸ôÁöÇü;eigenfunction expansion method;reflection coefficients;depression of seabed;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.40, no.11, 2007³â, pp.899-908
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200703534252140)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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