Architecture
°ÇÃà Architecture


´Ü¸é »ó½Â ¸ð¸àÆ®(product of inertia of area), Á÷»ç°¢Çü(rectangular) ´Ü¸é

ÀÛ¼ºÀÚ Uploader : ¹°¾ÆÀÏü ÀÛ¼ºÀÏ Upload Date: 2021-10-18º¯°æÀÏ Update Date: 2021-10-18Á¶È¸¼ö View : 2700

´Ü¸é »ó½Â ¸ð¸àÆ® : ´Ü¸éÀÇ ¹Ì¼Ò ¸éÀû dA¿Í x ÃàÀ¸·ÎºÎÅÍÀÇ °Å¸® y, y ÃàÀ¸·ÎºÎÅÍÀÇ °Å¸® x ¿ÍÀÇ °ö x*y*dA ¸¦ ´Ü¸é Àüü¿¡ ´ëÇؼ­ ¸ðÀº °ÍÀ» ¸»ÇÏ¸ç ´ÙÀ½½ÄÀ¸·Î ³ªÅ¸³½´Ù.

Ixy = ¢² x*y*dA = ¡óx*y*dA

ÆøÀÌ b, ³ôÀÌ°¡ h ÀÎ Á÷»ç°¢Çü ´Ü¸éÀÇ °æ¿ì, x[0, b], y[0, h] ±¸°£¿¡ ´ëÇؼ­,

Ixy = ¡óx*y*dA = ¡óx*y*dx*dy
   = ¡òx*(1/2)*h^2*dx
   = (1/2)*b^2*(1/2)*h^2
   = (1/4)*b^2*h^2

ÀÌ µÈ´Ù.

*** Âü°í¹®Çå[References] ***

https://terms.naver.com/entry.naver?docId=620174&cid=42322&categoryId=42322
Ixy = (1/4)*b^2*h^2
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º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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