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DAFUL ¼Ö¹ö´Â ºñ¼±Çü¼ºÀÌ ¾ÆÁÖ Å« Á¢ÃË ½Ã½ºÅÛ»Ó¸¸ ¾Æ´Ï¶ó ´ëº¯ÇüÀ» Çϰųª °í¼Ó ȸÀüÀ» ÇÏ´Â ½Ã½ºÅÛ¿¡ ´ëÇØ¼­µµ Ÿ ¼ÒÇÁÆ®¿þ¾î º¸´Ù ÇØ¼® ¼Óµµ°¡ ¶Ù¾î³­ ¼Ö¹ö¸¦ žÀçÇϰí ÀÖ´Ù. ±×¸®°í ÄÚµå ¹× ¾Ë°í¸®ÁòÀÇ ÃÖÀûÈ­°¡ °³¹ß ´Ü°èºÎÅÍ °í·ÁµÇ¾î ÀÖ¾î ÀÚÀ¯µµ°¡ Å« ¹®Á¦Àϼö·Ï Ÿ ¼ÒÇÁÆ®¿þ¾î º¸´Ù ºü¸¥ ÇØ¼® ¼º´ÉÀ» ÀÚ¶ûÇÑ´Ù. ±×¸®°í DAFUL ¼Ö¹ö´Â ±âÁ¸ÀÇ FEM°ú MBD »ó¿ë ¼ÒÇÁÆ®¿þ¾îµéÀÌ Á¦°øÇÏ¿´´ø ´Ù¾çÇÑ ÇØ¼® ¿ä¼ÒµéÀ» Á¦°øÇÑ´Ù.
 
DAFUL ¼Ö¹ö¿¡¼­ Áö¿øµÇ´Â ÇØ¼® ¿ä¼Ò
Content Entity Content Entity
Analysis Dynamics, Static analysis Contact Surface-to-surface
Process Shared Memory Parallel Flex. surface-to-surface
Flex. surface-to-flex. surface
Body Rigid, Flexible Material Isotropic(all), Orthotropic(shell4)
Constraint Fix, Revolute, Translational, Screw, Cylindrical, Universal CVJ, Plane, Ball, Orientation Hyper elastic(solids)
Ogden, Arruda-boyce, Neo-hookian
Distance, In-line, In-plane, Parallel, Perpendicular Property Pbeam, Pshell, Psolid
Fixed node-to-node
Fixed node-to-rigid
Finite
element
Beam2
Driver, Coupler Shell3, Shell6, Shell4
Contact
constraint
Point-on-curve
Curve-on-curve
Point-on-surface
Solid4, Solid10, Solid8
Force / Load TSD, RSD, Bush, Joint Friction Equation Variable equation
T/R-Scalar, Vector, Matrix 1st and 2nd order Differential equation
Gravity Sub-entity Spline, Array
Concentrated load, Pressure Function, User subroutine
 
DAFUL ¼Ö¹ö¿¡¼­ Áö¿øµÇ´Â FEM ¿ä¼Ò
  DAFUL.Solver NASTRAN
Finite element BEAM2 CBEAM
SHELL3, SHELL6 CTRIA3, CTRIA6
SHELL4 CQUAD4, CQUAD8
SOLID4, SOLID10 CTETRA, CPENTA
SOLID8 CHEXA
Material ISO MAT1
ORTHO MAT8
HE MATHE
Property PBEAM PBEAM
PSHELL PSHELL
PSOLID PSOLID
Rigid element Node-to-Node Fixed RBE2
Mass MASS CONM2
 
DAFUL ¼Ö¹ö´Â ±âÁ¸ÀÇ ºñ¼±Çü ±¸Á¶ µ¿¿ªÇÐ ¼ÒÇÁÆ®¿þ¾îµéÀÌ ¸í½ÃÀû ¼öÄ¡ÀûºÐ ¹æ¹ýÀ» »ç¿ëÇÏ´Â °Í°ú´Â ´Þ¸® ¾Ï½ÃÀû ¼öÄ¡ ÀûºÐ ¹æ¹ýÀ» »ç¿ëÇÑ´Ù. ÀÌ ¹æ¹ýÀº ¸Þ¸ð¸®¸¦ ¸¹ÀÌ »ç¿ëÇϱ⠶§¹®¿¡ PC¿¡¼­ ÇØ¼®ÇÒ ¼ö ÀÖ´Â ÀÚÀ¯µµ ¼ö°¡ Á¦ÇÑÀûÀÌ´Ù¶ó´Â °ÍÀ» Á¦¿ÜÇϰí´Â °ÅÀÇ ¸ðµç ¼öÄ¡ÇØ¼®ÀûÀÎ ºÎºÐ¿¡ À־ ¸í½ÃÀû ÀûºÐ ¹æ¹ýº¸´Ù´Â ÀåÁ¡À» ¸¹ÀÌ °¡Áö°í ÀÖ´Ù.
 
ÀϹÝÀûÀÎ ºñ¼±Çü ±¸Á¶ µ¿¿ªÇÐ ÄÚµå¿Í DAFUL ¼Ö¹öÀÇ Â÷ÀÌÁ¡
  DAFUL.Solver FEM Codes
Integrator Implicit Explicit
Used memory Large Small
Stability Absolutely stable Depend on a system
Stepsize Large Very small
Accuracy Good Poor in an acceleration
Nodal formulation Corotational element with MRF Corotational element
Advantage Large deformation
High-speed rotation
Contact representation
Large degree of freedom
 
µ¿¿ªÇÐ ÇØ¼®¿¡¼­ À¯¿¬Ã¼¿¡ ´ëÇÑ Á¢±Ù ¹æ¹ýÀÌ Å©°Ô µÎ °¡Áö°¡ ÀÖ´Ù. Çϳª´Â ÀýÁ¡ ÁÂÇ¥¸¦ »ç¿ëÇÏ´Â ¹æ¹ýÀÌ°í ¶Ç ´Ù¸¥ ¹æ¹ýÀº ¸ðµå ÁÂÇ¥¸¦ »ç¿ëÇÏ´Â ¹æ¹ýÀÌ ÀÖ´Ù. ÀϹÝÀûÀ¸·Î ºñ¼±Çü ±¸Á¶ µ¿¿ªÇÐ ÇØ¼® ¼ÒÇÁÆ®¿þ¾îµéÀº ÀýÁ¡ ÁÂÇ¥¸¦ »ç¿ëÇÏ¿© Á¢ÃË ¹®Á¦¿Í °°ÀÌ ºñ¼±Çü¼ºÀÌ Áß¿äÇÑ ½Ã½ºÅÛÀ» ÇØ¼®ÇÒ ¼ö ÀÖµµ·Ï ÇÏ¿´°í ´Ù¹°Ã¼ µ¿¿ªÇÐ ÇØ¼® ¼ÒÇÁÆ®¿þ¾îµéÀº À¯¿¬Ã¼ÀÇ ¾ö¹ÐÇÑ ÇØ º¸´Ù´Â Àü¹ÝÀûÀÎ ¿îµ¿¿¡ °ü½ÉÀÌ ÀÖ´Â ¹®Á¦µéÀ» Ç® ¼ö ÀÖµµ·Ï ÇÏ¿´´Ù. ¸ðµå ÁÂÇ¥¸¦ »ç¿ëÇÏ´Â ¹æ¹ýÀº ÀÚÀ¯µµ°¡ ÀÛÀº ¹®Á¦¿¡ ÀûÇÕÇϱ⠶§¹®¿¡ ½ÇÁ¦ ¹®Á¦¿¡ ´ëÇÑ ¾ö¹ÐÇÑ ÇØ¸¦ ÁֱⰡ »ó´çÈ÷ ¾î·Æ´Ù°í º¼ ¼ö Àֱ⠶§¹®¿¡ DAFUL ¼Ö¹ö´Â ³ëµå ÁÂÇ¥¸¦ ÀÌ¿ëÇÏ¿© À¯¿¬Ã¼ÀÇ Á¤È®ÇÑ ÇØ¸¦ ±¸ÇÒ ¼ö ÀÖµµ·Ï ÇÏ¿´´Ù.
 
ÀϹÝÀûÀÎ ¼±Çü À¯¿¬Ã¼ µ¿¿ªÇÐ ÄÚµå¿Í DAFUL ¼Ö¹öÀÇ Â÷ÀÌÁ¡
  DAFUL.Solver Conventional Method
Generalized coordinate Nodal coordinate Modal coordinate
Solving time Long Short
Large deformation Good No good
Local deformation Good No good
Dynamics strain/stress Good Middle with dynamic correction
Material non-linearity Possible Impossible
Plasticity deformation Possible Impossible
BC assumption Needless Necessary
Contact Good No good
Pre-process Mesh Mesh and Eigenvalue analysis
 
   
 
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