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Home > Á¦Ç°¼Ò°³ > DAFUL.Solver |
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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 ÃÖÀûȰ¡ °³¹ß ´Ü°èºÎÅÍ °í·ÁµÇ¾î
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±×¸®°í DAFUL ¼Ö¹ö´Â ±âÁ¸ÀÇ FEM°ú MBD »ó¿ë ¼ÒÇÁÆ®¿þ¾îµéÀÌ Á¦°øÇÏ¿´´ø
´Ù¾çÇÑ ÇØ¼® ¿ä¼ÒµéÀ» Á¦°øÇÑ´Ù. |
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| DAFUL ¼Ö¹ö¿¡¼ Áö¿øµÇ´Â ÇØ¼® ¿ä¼Ò |
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| 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
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Finite
element |
Beam2 |
| Driver, Coupler |
Shell3, Shell6,
Shell4 |
Contact
constraint |
Point-on-curve
Curve-on-curve
Point-on-surface
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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 |
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| DAFUL ¼Ö¹ö¿¡¼ Áö¿øµÇ´Â FEM ¿ä¼Ò |
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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 |
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| 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¿¡ ÀÖ¾î¼ ¸í½ÃÀû ÀûºÐ ¹æ¹ýº¸´Ù´Â
ÀåÁ¡À» ¸¹ÀÌ °¡Áö°í ÀÖ´Ù. |
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| ÀϹÝÀûÀÎ ºñ¼±Çü ±¸Á¶ µ¿¿ªÇÐ ÄÚµå¿Í DAFUL ¼Ö¹öÀÇ Â÷ÀÌÁ¡ |
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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 |
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| 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. |
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| ÀϹÝÀûÀÎ ¼±Çü À¯¿¬Ã¼ µ¿¿ªÇÐ ÄÚµå¿Í DAFUL ¼Ö¹öÀÇ Â÷ÀÌÁ¡ |
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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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