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Çѱ¹¼öÀÚ¿øÇÐȸ / v.21, no.3, 1988³â, pp.299-307
ÇØºóº¯Çü ¿¹Ãø ¸ðµ¨ÀÇ °³¹ß
( The Development of a Model to Predict Beach Evolution )
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µ¹Á¦ ÁÖÀ§ÀÇÀå±â°£ ÇØºóº¯ÇüÀ» ¿¹ÃøÇϱâ À§ÇÏ¿© ¼öÀ§ÀÇ º¯µ¿, ÆÄÀDZ¼Àý°ú ȸÀýÀ» °í·ÁÇÏ¿© ÇØ¼®ÇÏ´Â ¼öÄ¡Àû ¸ðµ¨ÀÌ´Ù. ÀÌ·¯ÇÑ ¹®Á¦¿¡ ´ëÇÑ ¼öÄ¡ÇØ¼®Àº ¿¬¾ÈÇ¥»ç¶û¿¡ ´ëÇÑ °æ°èÁ¶°ÇÀ» °¡Áö´Â ¹æÁ¤½ÄÀ» °í·ÁÇÔÀ¸·Î½á ÇØ¼®µÈ´Ù. ÇØ¼®¹æ¹ýÀ¸·Î´Â À½Çعý ÁßÀÇ ÇϳªÀÎ Crank-Nicolson SchemeÀ» »ç¿ëÇÏ¿´´Ù. ÀÌ ¸ðµ¨À» ÇöÁö¿¡ Àû¿ë½ÃŲ °á°ú, ±¼Àý°ú ȸÀý°è¼öÀÇ ±Ù»çÇØ·Î ÀÎÇÏ¿© µ¹Á¦ ³»ºÎ ¿µ¿ª¿¡¼­´Â ½ÇÃøÄ¡¿Í ¿¹ÃøÄ¡°¡ Â÷À̰¡ ÀÖÀ¸³ª, µ¹Á¦ ¿ÜºÎ ¿µ¿ª¿¡¼­ÀÇ °æÇâÀº Àß ÀÏÄ¡Çϰí ÀÖÀ½À» ¾Ë ¼ö ÀÖ´Ù.
A model is developed to predict the long-term beach evolution near the long groin considering the combined effects of variation of sea level, wave refraction and diffraction. A numerical solution for this problem is solved by considering the equation as a system subject to the boundary condition for longshore transport rate. One possible method is the centered Crank-Nicolson type implicit scheme. The results which ard obtained by applying this numerical model at Songdo beach, Pohang are as follows. Owing to the approximation used in the calculation of the refraction and diffraction coefficients, the discrepancy between the predicted and actual shoreline occurs to the interior of long groin. However, the shape of shoreline at the exterier of long groins agrees well.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.21, no.3, 1988³â, pp.299-307
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198811920092470)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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