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Çѱ¹¼öÀÚ¿øÇÐȸ / v.37, no.9, 2004³â, pp.729-736
»ç°¢ÇüÇü»ó ºÒÅõ°ú¼º ¼öÁß¹æÆÄÁ¦¸¦ Åë°úÇÏ´Â ºÒ±ÔÄ¢ÆÄÀÇ ¹Ý»ç
( Reflection of Random Waves Propagating over Rectangular Submerged Non-Porous Breakwaters )
Á¤Àç»ó;Á¶´ëÈñ;ȲÁ¾±æ;Á¶¿ë½Ä; Çö´ë»ê¾÷°³¹ß Åä¸ñ»ç¾÷º»ºÎ;±Øµ¿°Ç¼³ Åä¸ñ±â¼ú2ÆÀ;ÇѾç´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;ÇѾç´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â »ç°¢Çü Çü»ó ºÒÅõ°ú¼º ¼öÁß¹æÆÄÁ¦¸¦ Åë°úÇÏ´Â ºÒ±ÔÄ¢ÆÄÀÇ ¹Ý»ç¸¦ °íÀ¯ÇÔ¼öÀü°³¹ýÀ» ÀÌ¿ëÇÏ¿© ÇØ¼®ÇÏ¿´À¸¸ç, ¼ö¸®¸ðÇü½ÇÇè °á°ú¿Í ºñ±³ÇÏ¿´´Ù. ºÒ±ÔÄ¢ÆÄ´Â ´Ù¼öÀÇ ±ÔÄ¢ÆÄÀÇ ÁßøÀ¸·Î ±¸¼ºÇÏ¿´À¸¸ç, °¢°¢ÀÇ ±ÔÄ¢ÆÄÀÇ ÇØ¼®°á°ú¸¦ ÇÕ¼ºÇÏ¿© ¹Ý»çÀ²À» »êÁ¤ÇÏ¿´´Ù. °íÀ¯ÇÔ¼öÀü°³¹ý¿¡ ÀÇÇÑ ÇØ¼®°á°ú´Â ¼ö¸®¸ðÇü½ÇÇè¿¡ ÀÇÇÑ °á°ú¿Í Àß ÀÏÄ¡ÇÏ¿´À¸¸ç, ºÒ±ÔÄ¢ÆÄ ¿ª½Ã Bragg ¹Ý»ç Á¶°Ç¿¡¼­ °ø¸íÇö»ó¿¡ ÀÇÇØ ¹Ý»çÀ²ÀÌ Å©°Ô ÁõÆøµÇ¾ú´Ù.
Analysis of reflection of random waves propagating over rectangular submerged non-porous breakwaters was performed by using the eigenfunction expansion method. In this study, random waves were generated by superposition of several monochromatioc waves. Reflection coefficients were calculated by summing each numerical results of regular waves. Predicted results from the eigenfunction expansion method were in a good agreement with the results of laboratory measurements. Reflection coefficients of random waves were also resonated at the Bragg reflection condition.
 
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»ç°¢ÇüÇü»ó ºÒÅõ°ú¼º ¼öÁß¹æÆÄÁ¦;ºÒ±ÔÄ¢ÆÄ;°íÀ¯ÇÔ¼öÀü°³¹ý;Bragg ¹Ý»ç;rectangular submerged non-porous breakwaters;random waves;Bragg reflection;eigenfunction expansion method;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.37, no.9, 2004³â, pp.729-736
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200413842113001)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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