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Çѱ¹¼öÀÚ¿øÇÐȸ / v.43, no.10, 2010³â, pp.843-850
Àå´ë ÄÉÀ̽¼ ¹æÆÄÁ¦¿¡ ÀÛ¿ëÇÏ´Â ´Ù¹æÇâ ºÒ±ÔÄ¢ÆÄ¶ûÀÇ ÆÄ·Â°¨¼Ò°è¼ö »êÁ¤
( Calculation of the Peak-delay Force Reduction Parameter of Multi-Directional Random Waves Acting on a Long Caisson Breakwater )
Á¤Àç»ó;±è¹üÇü;±èÇüÁØ;Á¶¿ë½Ä; ÇѾç´ëÇб³ ÀϹݴëÇпø °Ç¼³È¯°æ°øÇаú(Çѱ¹³ó¾îÃ̰ø»ç ³ó¾îÃ̰³¹ßó);Çö´ë»ê¾÷°³¹ß Åä¸ñ»ç¾÷º»ºÎ;ÇѾç´ëÇб³ ÀϹݴëÇпø °Ç¼³È¯°æ°øÇаú(Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ÇÏõ.ÇØ¾ÈÇ׸¸¿¬±¸½Ç);ÇѾç´ëÇб³ °Ç¼³È¯°æ°øÇаú;
 
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´Ù¹æÇâ ºÒ±ÔÄ¢ÆÄ¶ûÀ» ÀÔ»çÆÄ¶ûÀ¸·Î Àû¿ëÇÏ¿© Àå´ë ÄÉÀ̽¼ ¹æÆÄÁ¦¿¡ ÀÛ¿ëÇÏ´Â ÆÄ·Â°¨¼Ò°è¼ö¿¡ ´ëÇÏ¿© ¿¬±¸ÇÏ¿´´Ù. ´Ù¹æÇâ ºÒ±ÔÄ¢ÆÄ¶ûÀÇ Á֯ļö ¹× ¹æÇâ ½ºÆåÆ®·³À¸·Î JONSWAP (Joint North Sea Wave Project) ½ºÆåÆ®·³°ú ºñ´ëĪ ¹æÇâ ½ºÆåÆ®·³ÀÌ °¢°¢ Àû¿ëµÇ¾ú´Ù. °è»ê°á°ú, ÄÉÀ̽¼ ¹æÆÄÁ¦ÀÇ ±æÀÌ¿Í ÀÔ»çÆÄ¶û ÁÖÆÄÇâÀÇ ÀԻ簢ÀÌ Áõ°¡ÇÒ¼ö·Ï ÆÄ·Â°¨¼Ò°è¼ö´Â °¨¼ÒÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ±×¸®°í ÃÖ´ë¹æÇâºÐÆ÷°è¼ö $s_{max}$°¡ Áõ°¡ÇÒ¼ö·Ï ÆÄ·Â°¨¼Ò°è¼ö´Â ±ÔÄ¢ÆÄ¿Í À¯»çÇÑ °æÇâÀ» º¸¿´´Ù. ´Ù¹æÇâ ºÒ±ÔÄ¢ÆÄ¶ûÀÌ ¹æÆÄÁ¦¿¡ ºñ½ºµëÈ÷ ÀÔ»çÇÒ °æ¿ì ºñ´ëΰè¼ö ${mu}$°¡ Áõ°¡ÇÒ¼ö·Ï ÆÄ·Â°¨¼Ò°è¼ö´Â °¨¼ÒÇÏ¿´´Ù.
By employing multi-directional random waves, a parameter controlling the force acting on a long caisson breakwater is investigated in detail. Both JONSWAP (Joint North Sea Wave Project) and asymmetric directional spectra are adopted for frequency and directional spectra. It is found that the parameter decreases as the length of caisson and the angle of main direction of incident waves increase. Furthermore, the parameter is much similar to that of regular waves as the maximum spreading parameter $s_{max}$ increases. The parameter, however, decreases as asymmetry parameter ${mu}$ increases when the main direction of incident waves is oblique to the breakwater.
 
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Àå´ë ÄÉÀ̽¼ ¹æÆÄÁ¦;´Ù¹æÇâ ºÒ±ÔÄ¢ÆÄ¶û;ÆÄ·Â°¨¼Ò°è¼ö;ºñ´ëΰè¼ö;long caisson breakwater;multi-directional random waves;peak-delay force reduction parameter;asymmetry parameter;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.43, no.10, 2010³â, pp.843-850
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201032654094296)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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