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Çѱ¹¼öÀÚ¿øÇÐȸ / v.31, no.6, 1998³â, pp.845-854
È®ÀåÇü ¿Ï°æ»ç¹æÁ¤½ÄÀ» ÀÌ¿ëÇÑ EbersoleÇü ÆÄ¶ûº¯Çü ¸ðÇü
( Ebersole-Type Wave Transformation Model Usiog Extended Mild-Slope Equations )
Á¤½ÅÅÃ;ÀÌÃ¢ÈÆ; ¿ø±¤´ëÇб³ °ø°ú´ëÇÐ Åä¸ñȯ°æ°øÇаú;Çѱ¹Çؾ翬±¸¼Ò ¿¬¾È¡¤Ç׸¸°øÇבּ¸¼¾ÅÍ;
 
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Ebersole(1995)ÀÇ Á¢±Ù¹ýÀ» »ç¿ëÇÏ¿© Massel(1993)ÀÇ È®ÀåÇü ¿Ï°æ»ç¹æÁ¤½Ä¿¡¼­ À¯µµµÇ´Â eikonal ½Ä°ú ÆÄ¶û ¿¡³ÊÁöÀü¼Û½Ä°ú ¶ÇÇÑ ÆÄ¼öÀÇ ºñȸÀü¼ºÀ» ÀÌ¿ëÇÏ¿© ÆÄ¶ûº¯ÇüÀ» ¿¹ÃøÇÏ¿´´Ù. ¿Ï°æ»ç¹æÁ¤½Ä¿¡ ¹«½ÃµÇ¾úÀ¸³ª È®ÀåÇü ¿Ï°æ»ç¹æÁ¤½Ä¿¡ °í·ÁµÈ °íÂ÷ÀÇ ¼ö½Éº¯È­ È¿°ú, Áï ¼ö½É°æ»çÀÇ Á¦°ö ¹× ¼ö½ÉÀÇ °î·üÀÌ °í·ÁµÇ¸é ¼ö½Éº¯È­°¡ ½ÉÇÑ °æ¿ì¿¡ ´õ Á¤È®ÇÑ ÇØ¼®ÀÌ µÉ °ÍÀ̶ó´Â ¿¹ÃøÀÌ ¼öÄ¡½ÇÇè °á°ú Á¦´ë·Î ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. ÀÌ´Â ¼ö½Éº¯È­°¡ ½ÉÇÑ °æ¿ì eikonal ½Ä¿¡¼­ °í·ÁµÈ ȸÀýÀÇ È¿°ú°¡ Á¦´ë·Î ¹Ý¿µµÇÁö ¾Ê¾Æ¼­ ÇØ¼®°á°ú¿¡ ¿À·ù°¡ ¹ß»ýÇÏ´Â °ÍÀÌ ¾Æ´Ñ°¡ ÆÇ´ÜµÈ´Ù.
Following the approach of Ebersole (1985), water wave transformation is predicted using the eikonal equation and transport equation for wave energy which are reduced from the extended mild-slope equation of Massel (1993), and also the irrotationality of wave number vectors. The higher-order bottom effect terms, i.e., squared bottom slope and bottom curvature, are neglected in the study of Ebersole but are included in the present study. It was expected that, if these terms are included in this study, the approach would give more accurate solution in the case of rapidly varying topography. But, the expectation was frustrated. It is probably because, in the case of rapidly varying topography, the diffraction effect which is included in the eikonal equation does not work well and thus the solution is deteriorated.
 
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°íÂ÷ÀÇ ¼ö½ÉÈ¿°ú;eikonal ½Ä;ÆÄ¶û¿¡³ÊÁöÀü¼Û½Ä;ÆÄ¼öÀÇ ºñȸÀü¼º;¼öÄ¡½ÇÇè;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.31, no.6, 1998³â, pp.845-854
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920062897)
¾ð¾î : Çѱ¹¾î
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