Home>Á¦Ç°¼Ò°³>ÃÖÀûÈÇؼ®>TrueGrid
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TrueGrid |
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Why Truegrid?
º¹ÀâÇÑ 3Â÷¿ø ¸ðµ¨ÀÇ ¼öÄ¡Çؼ®ÀÇ °æ¿ì, mesh¸¦ ±¸¼ºÇϴµ¥ ¸¹Àº ½Ã°£ÀÌ °É¸³´Ï´Ù. ¹Ì±¹ Ķ¸®Æ÷´Ï¾ÆÀÇ Livermore¿¡ À§Ä¡ÇÑ XYZ Scientific Applications ȸ»çÀÇ ¼öÇÐÀÚµé°ú ¿£Áö´Ï¾îµéÀº ÀÌ·¯ÇÑ ¹®Á¦Á¡À» ÇØ°áÇÏ°íÀÚ Truegrid¸¦ °³¹ßÇÏ¿´½À´Ï´Ù.
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TruegridÀÇ »ç¿ëÀÚ´Â meshÀÇ multi-block ±¸Á¶¸¦ ±¸¼º, Á¦¾îÇÔÀ¸·Î½á, º¸´Ù ½±°Ô mesh¸¦ ÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù. ¿ÞÂÊÀÇ ±¸´Â 7°³ÀÇ blockÀ¸·Î, ÃÑ 7000°³ÀÇ 6¸éü·Î ±¸¼ºµÇ¾ú½À´Ï´Ù. Truegrid¸¦ »ç¿ëÇÏ¸é ´Ü 6 °³ÀÇ ¸í·É¾î·Î 1ºÐ ¾È¿¡ ÀÌ ¸ðµ¨À» ¸¸µå½Ç ¼ö°¡ ÀÖ½À´Ï´Ù. |
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Projection Method
TruegridÀÇ projection method¸¦ »ç¿ëÇϽøé, ´Ù¸¥ CAD ±â¹ÝÀÇ mesh generator¿¡¼ ¿ä±¸µÇ´Â ¼¼ºÎÀûÀÎ »çÇ×µéÀ» °í·ÁÇÒ ÇÊ¿ä°¡ ¾ø½À´Ï´Ù. ÀÌ·¯ÇÑ Á¤È®ÇÑ projection method¸¦ °¡Áö°í º¹ÀâÇÑ ±¸Á¶¹° ( Åͺó, ÆßÇÁ, ÀÎü ¸ðÇü µî )À» ¼Õ½±°Ô ±¸ÇöÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù. Projection ÇÏ°íÀÚ ÇÏ´Â mesh ¿µ¿ª°ú surface¸¦ ¼±ÅÃÇÏ°í ¹öÆ°À» Ŭ¸¯Çϸé surface¿¡ mesh¸¦ ¸¸µé¾î³¾ ¼ö ÀÖ½À´Ï´Ù. NodeµéÀº ÀÚµ¿À¸·Î ¸é¿¡ ºÐÆ÷¸¦ ÇÏ°Ô µË´Ï´Ù. ¾Æ·¡´Â Projection method¸¦ »ç¿ëÇؼ µÎ °³ÀÇ ½Ç¸°´õ·Î ÀÌ·ç¾îÁø ¸ðµ¨ÀÇ mesh¸¦ »ý¼ºÇÏ´Â °úÁ¤À» ³ªÅ¸³½ °ÍÀÔ´Ï´Ù.
Multiple Block Structured Parts
Truegrid´Â ¿©·¯ °³ÀÇ part·Î ±¸¼ºµÈ º¹ÀâÇÑ ±¸Á¶¹°À» Ç¥ÇöÇϱâ À§Çؼ multiple blockÀ» »ç¿ëÇÕ´Ï´Ù. ¾Æ·¡ ±×¸²Àº 8°³ÀÇ blockÀ¸·Î ÀÌ·ç¾îÁø speaker ¸ðµ¨À» ÆîÃÄ ³õÀº °ÍÀÔ´Ï´Ù.
Automatic Parametric Meshes
¸ðµ¨¸µ¿¡¼ parameter¸¦ »ç¿ëÇϸé mesh¸¦ º¸´Ù ½±°í »¡¸® ÇÒ ¼ö ÀÖÀ» »Ó¸¸ ¾Æ´Ï¶ó, meshÀÇ ¼öÁ¤ÀÌ °£´ÜÇØÁý´Ï´Ù. Parameter´Â ¼ýÀÚ°¡ ¿ä±¸µÇ´Â °÷ÀÌ¸é ¾îµðµçÁö ´ëüÇؼ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. ¾Æ·¡ÀÇ µÎ ¸ðµ¨Àº °°Àº command input fileÀ» °¡Áö°í, parameter¸¸ º¯°æÇÏ¿© ¸¸µç ¸ðµ¨ÀÔ´Ï´Ù.
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< Rod &
Piston parameter m
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< Wheel - Small Tire > parameter rad 25 ; |
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< Rod & Piston parameter m 5 |
< Wheel - Large Tire> parameter rad 45 ; |
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ÀÌ parameter¸¦ LSOPTÀÇ ¼³°è º¯¼ö·Î »ç¿ëÇϸé, Çü»ó ÃÖÀûÈ Çؼ®ÀÌ °¡´ÉÇÕ´Ï´Ù. Áï, LSOPT¿Í Truegrid¸¦ ¿¬°èÇÏ¸é ¾î¶² Çü»óÀÏ ¶§ ÃÖÀûÀÇ °á°ú¸¦ ¾òÀ» ¼ö ÀÖ´Â Áö ¾Ë ¼ö ÀÖ½À´Ï´Ù.
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Import The Geometry - Export The Model
Truegrid´Â CAD »ó¿¡¼ ÀÛ¾÷ÇÑ ¸ðµ¨À» IGES Çü½ÄÀ¸·Î ºÒ·¯µéÀÏ ¼ö ÀÖ½À´Ï´Ù. Truegrid¿¡¼ Á¦°øÇÏ´Â ´Ù¾çÇÑ Á¾·ùÀÇ surface, curve¸¦ »ç¿ëÇؼ Á÷Á¢ ¸ðµ¨À» ±¸¼ºÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù. °Ô´Ù°¡, °æ°è Á¶°Ç, Ãʱâ Á¶°Ç, ±¸¼Ó Á¶°Ç, ÇÏÁß µîÀ» block¿¡ ºÎ¿©ÇÏ½Ç ¼ö ÀÖÀ¸¸ç, ¾Æ·¡¿Í °°Àº formatÀ¸·Î Ãâ·ÂÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù.
Output formats : LS-DYNA , DYNA3D, ABAQUS, ALE3D, ANSYS, AUTODYN, CFD-ACE, EXOSUSII, FIDAP, CFX4, FLUENT, GRIDGEN3D, MARC, NASTRAN, NEKTON, NEUTRAL, NIKE3D, PLOT3D, STARCD µî
Truegrid´Â ¸¹Àº »ê¾÷ ºÐ¾ß¿¡¼ »ç¿ëµÇ°í ÀÖ½À´Ï´Ù. ¿©±â¼´Â °£´ÜÇÏ°Ô 3°³ÀÇ Ä«Å×°í¸®·Î ºÐ·ùÇÏ¿© truegridÀÇ ½ÇÁ¦ »ç¿ë ¿¹¸¦ º¸¿©µå¸®°Ú½À´Ï´Ù. |
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Finite Element Meshes
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Golden Gate Bridge
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Rod and Piston
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National Ignition Facility
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Child-Proof Cap
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Bottle |
Pick-up Trunk Frame
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Racing Bike |
Tool Bracket |
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Factitious Starship |
Pipe Elbow |
Rim |
Wheel Hub |
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Computational Fluid Dynamics Grids
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Impeller
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Extruded Aluminum Around Die
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Centrifugal Compresor Inlet |
Air Surrounding Jet Engine Nacelle |
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Submarine Trail Fin
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Centrifugal Compressor Volute
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BioMechanical Meshes
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Human Knee |
Human Foot
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Human Femur
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Human Hearts
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Human Leg Implants |
Human Hip
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