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Çѱ¹¼öÀÚ¿øÇÐȸ / v.20, no.1, 1987³â, pp.49-54
ÇØÀúÁöÇü º¯È­¿¡ µû¸¥ ÆÄ¶ûÀÇ ¼öÄ¡ÇØ¼®(II)
( Numerical Analysis of Wave Deformation with Sea Bottom Variation(II) )
±è¼º´ö;À̼º´ë; Á¤È¸¿ø ¿ï»ê´ëÇб³ Åä¸ñ°øÇаú;¿ï»ê´ëÇб³ Åä¸ñ°øÇаú;
 
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ÀÏÁ¤¼ö½É¿¡ ÇØ¿ª¿¡ ÁÖ±âÀûÀÎ ÆÄÀåÀÇ »ç·ÃÀÌ ÀÖ´Â °Ü¿ì ÆÄÀÇ ¹Ý»çƯ¼ºÀ» °æ°è¿ä¼Ò¹ýÀÇ ¼±Çü¿ä¼Ò¿¡ ÀÇÇØ ÇØ¼®ÇÏ¿´´Ù. ÆÄ¶ûÀº 2Â÷¿ø ¼±ÇüÆÄ ÀÌ·ÐÀ¸·ÎºÎÅÍ ÇØ¼®ÇÏ¿´À¸¸ç, ÀÔ»çÆÄ ¹æÇâÀº »ç·Ã»ó¿¡ ÀÓÀǹæÇâ (Á÷°¢ÀÔ»ç ¶Ç´Â °æ»çÀÔ»ç)À¸·Î ÁøÇàÇÑ´Ù°í °¡Á¤ÇÏ¿´´Ù. º» °è»êÀÇ ½Å·Úµµ¸¦ °ËÁõÇϱâ À§ÇÏ¿© ±âÁ¸ÀÇ ½ÇÇèÀû, ÀÌ·ÐÀû °á°ú ¹× ¼öÄ¡°á°ú¿Í °¢°¢ºñ±³ÇÏ¿´´Ù. Á÷°¢ÀÔ»çÆÄ¿¡ ´ëÇÑ º» ¼öÄ¡°è»ê °á°ú, »ç·ÃÀÇ ÆÄÀåÀÌ ¼ö¸éÆÄÀåÀÇ 1/2ÀÎ °æ¿ì¿¡ ¹ß»ýÇÏ´Â Bragg°øÁø¹Ý»ç°¡ Àß ¿¹ÃøµÇ¾ú´Ù.
A numerical analysis of the characteristics of wave reflection over rippled beds (sand bars) was carried out By Boundary Element Method(B.E.M) using linear elements. It is assumed that the incident wave is normal and oblique to the rippled beds and the wave may be and the escribed by two-dimensional linear theory. The accuracy of the computational scheme is investigated by comparing the laboratory data, the analytic measured results of the other researchers. The B.E.M results for the normal incident wave is held for the mechanism of the resonant Bragg reflection at the point where the wave length of the bottom undulation is one half the wave length of the surface wave.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.20, no.1, 1987³â, pp.49-54
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198711920091815)
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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