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Çѱ¹¼öÀÚ¿øÇÐȸ / v.24, no.1, 1991³â, pp.109-117
ÀÚ¿¬ ±¸¸ªÁö¿¡¼­ ÁöÇ¥ÇÏ È帧ÀÇ ¼öÄ¡ÇØ¼®
( Numerical Analysis of Subsurface Flow in a Hillslope )
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Æ÷È­-ºñÆ÷È­ ¿µ¿ª¿¡¼­ transientÈ帧 ÇØ¼®À» À§ÇØ À¯Ã¼ÀÇ ¿¬¼Ó¹æÁ¤½Ä°ú Darcy ¹ýÄ¢À¸·ÎºÎÅÍ ´Ù°øÁú ¸Åü¿¡¼­ÀÇ È帧 Áö¹è¹æÁ¤½ÄÀ» À¯µµÇÏ¿´´Ù. ¼öÄ¡ÇØ´Â °¡ÁßÀÜÂ÷¿ø¸®¿¡ ÀÔ°¢ÇÑ Galerkin À¯ÇÑ¿ä¼Ò¹ýÀ¸·Î ±¸Çϸç, ½Ã°£µµÇÔ¼öÇ׿¡´Â À¯ÇÑÂ÷ºÐ¹ýÀ» Àû¿ëÇÏ¿´´Ù. ÇØ¼®¿¡¼­´Â ½ÇÁ¦ ÀÚ¿¬»óÅ¿¡¼­ ¹ß»ýµÇ´Â ºÎÁ¤È£¿ìÀڷḦ ÀÌ¿ëÇϰí À̶§ÀÇ ÁöÇ¥ÇÏ È帧 ÇØ¼®¿¡ ÇÊ¿äÇÑ °­¿ì ÁÖ»óµµ´Â Á¦ ¼Õ½Ç¼ººÐÀ» °í·ÁÇÑ Ãʰú¿ì·® ÃßÁ¤¸ðÇüÀ¸·ÎºÎÅÍ ¾ò¾ú´Ù. ºñÆ÷È­ Åä¾ç¿¡¼­ÀÇ È帧À» °í·ÁÇϱâ À§ÇØ Åõ¼ö°è¼ö, ¾Ð·Â¼öµÎ ¹× üÀûÇÔ¼öºñÀÇ »óÈ£ ÇÔ¼ö°ü°è¸¦ ÀÌ¿ëÇÏ¿´´Ù. ¸ðÇüÀº ´ëĪÀÎ 2Â÷¿øÀ¸·Î¼­ ºñµî¹æ¼º, ÀÌÁú ÅäÃþÀ¸·Î ±¸¼ºÇÏ¿´´Ù.
The governing equation of flow in porous media is developed on the bases of the continuity equation of fluid for transient flow through a saturated-unsaturated zone, and substitution of Darcy's law. The numerical solutions are obtained by finite element method based on the Galerkin principles weighted residuals. The analysis are carried out by using the unsteady storm data observed and rainfall intensities which are obtained by using the rainfall excess model in considering of the initial losses. The functional relationships between the hydraulic conductivity, capillary pressure head and volumetric water content are applied to the flow of water through unsaturated soil varied with changes of water content.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.24, no.1, 1991³â, pp.109-117
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199111920093488)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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