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Çѱ¹¼öÀÚ¿øÇÐȸ / v.26, no.3, 1993³â, pp.87-101
ÇÏõ¿¡¼­ÀÇ µ¿¼ö·ÂÇÐÀû À¯µ¿Çؼ®À» À§ÇÑ À¯ÇÑ¿ä¼Ò¸ðÇüÀÇ °³¹ß
( Finite Element Model for the Hydrodynamic Analysis in a River )
ÇѰǿ¬;ÀÌÁ¾ÅÂ;±èÈ«ÅÂ; °æºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;°æ±â´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;°æºÏ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;
 
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ÇÏõ¿¡¼­ÀÇ µ¿¼ö¿ªÇÐÀû À¯µ¿Çؼ®À» À§ÇÏ¿© 2Â÷¿ø õ¼ö¹æÁ¤½ÄÀ» ±âº»¹æÁ¤½ÄÀ¸·Î Çϰí À̸¦ ºÒ¿¬¼Ó±¸°£ÇÔ¼ö¿Í upwinding weightingÀ» µµÀÔÇÑ °¨¼èÇü Galerkin ¹æ¹ý¿¡ ÀÇÇÏ¿© ÇØ¼®ÇÏ´Â RIV-FEM2¸¦ °³¹ßÇÏ¿´´Ù. RIV-FEM2´Â Àüó¸®, ÁÖó¸®, ÈÄó¸® °úÁ¤À¸·Î ±¸¼ºµÇ¾úÀ¸¸ç, Àüó¸®¿Í ÁÖó¸® °úÁ¤Àº Fortran-77À¸·Î, ÈÄó¸® °úÁ¤Àº turbo-Pascal¿¡ ÀÇÇÏ¿© °¢°¢ ó¸®ÇÒ ¼ö ÀÖµµ·Ï °³¹ßÇÏ¿´´Ù. 2Â÷¿øÀÇ ¸¸°îºÎ, ±³·®ºÎ, Ãà¼ÒºÎ¸¦ °¡Áø ´ëμö·ÎºÎµîÀÇ °æ¿ì¿Í ½ÇÁ¦ ÇÏõ¿¡ ´ëÇÏ¿© º» ¸ðÇüÀ» Àû¿ëÇÑ °á°ú À¯¼ÓºÐÆ÷, ¼ö¸éÇü ¹× Áú·® À¯ÃâÀÔ·® º¸Á¸µîÀÇ ¸é¿¡¼­ ¾ÈÁ¤¼º°ú È¿À²¼ºÀÌ ¿ì¼öÇÏ°Ô ³ªÅ¸³ª º» ¸ðÇüÀÇ Àû¿ë¼ºÀ» ÀÔÁõÇÒ ¼ö ÀÖ¾ú´Ù. º» ¸ðÇüÀº ½ÇÁ¦ ÇÏõÀÇ À̼ö ¹× Ä¡¼ö°ü¸®¿¡ ±â¿©ÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
A finite element model RIV-FEM2 for the hydrodynamic study in a river is developed based on two-dimensional shallow water wave equation and dissipative Galerkin's method. RIV-FEM2 consists of pre-processing, analysis processing and post-processing. Pre- and analysis processing is programmed with Fortran-77 and post-processing with turbo-Pascal respectively. The model is tested with two dimensional problems, including flow through bends, bridges, and symmetric contraction. The two dimensional tests shows stable and efficient results for various situations. Applicability of the model is verified by applying to natural river. The model will provide a basic contribution to the hydrodynamic analysis in a river.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.26, no.3, 1993³â, pp.87-101
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199311920094566)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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