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Çѱ¹¼öÀÚ¿øÇÐȸ / v.15, no.4, 1982³â, pp.39-44
¼±Çü 4Á¡ Ư¼º¹ý¿¡ ÀÇÇÑ ºÎÁ¤·ùÀÇ ÇØ¼®
( The Linearized Four-point Method of Characteristics for Unsteady Flow Computation )
ÀÌÁ¾ÅÂ;ÀÌ¿øÈ¯; ºÎ»ê¼ö»ê´ëÇÐ ÇØ¾ç°øÇаú;¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â ¼ö¸éº¯È­ÀÇ ÀüÆÄƯ¼ºÀ» ÀÌ¿ëÇÑ 4Á¡¹ý(four-point method of characteristics)ÀÇ ¼±ÇüÈ­ÀÌ·ÐÀ» °³¼ö·ÎÀÇ ºÒÁ¤·ùÇØ¼®¿¡ Àû¿ëÇÏ´Â ¹®Á¦¿Í °ü·ÃÇÏ¿©, Á÷»ç°¢Çü ¸¸ÀÔ¿¡¼­ º» ÇØ¼®¸ðÇü¿¡ ´ëÇÑ 1Â÷¿ø Á¤Áøµ¿ ¼öÄ¡ °ËÁ¤½ÇÇèÀ» ½Ç½ÃÇÏ¿´°í, 2Â÷¿ø ºÒÁ¤·ùÀÇ ÇØ¼®¿¡ À־ ¾ÈÁ¤¼º(stability) ¹®Á¦¿¡ ´ëÇÏ¿© °ËÅäÇÏ¿´´Ù. º» ÇØ¼®¸ðÇüÀº ¼öÀ§º¯È­°¡ ¼ö½É¿¡ ºñÇØ ÃæºÐÈ÷ ÀÛÀº È帧ÀÇ °æ¿ì¿¡ È¿°úÀûÀ¸·Î °£ÆíÇÏ°Ô »ç¿ëÇÒ ¼ö ÀÖÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù.
A numerical computation of unsteady flow in the open channel was studied with the linearized four-point method of characteristics. A seiche test for this model was fulfilled and its result was very close to the exact solution. The effect of linearization to the accuracy of the result was small enough for the analysis of nearly horizontal flow, and this model would be applicable for the real unsteady flow problem because of its convenience.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.15, no.4, 1982³â, pp.39-44
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198211920090540)
¾ð¾î : Çѱ¹¾î
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