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tmw1987铁杆木虫 (正式写手)
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[交流]
【求助】如何利用ansys模拟多孔材料热传递（包括热对流和热传导）
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各位大侠： 如何利用ansys模拟多孔材料热传递的温升方程（包括热对流和热传导），多孔材料内部是由纤维和空气组成，在加热过程中空气是自然对流传热的。可否用ansys来模拟多孔材料的热传递的温升情况！！！ 万岁！！！ |
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warmwormdk
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2楼2009-12-17 22:24:49
tmw1987
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3楼2009-12-19 21:52:42
tmw1987
铁杆木虫 (正式写手)
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nono2009(金币+1,VIP+0):鼓励新虫交流！必要的话，可以PM以提高交流效率。 12-20 11:56
nono2009(金币+1,VIP+0):鼓励新虫交流！必要的话，可以PM以提高交流效率。 12-20 11:56
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对于您对我求助的回答，我相信您是此领域的专家。我学习ansys热分析已经有一段时间，但是选取的单元（solide 90）和建立的模型都是连续介质，而纺织材料实际上是多孔材料，在瞬态条件下热传导和热对流共同存在的。众所周知，ansys模拟问题分为三大步：1，前处理，建立模型和划分王洲；2，施加载荷；3，后处理，分析结果。您提的宝贵意见是针对第二步的，我现在首先对于选取什么样的单元（element）和建立什么样的模型还是不了解的。 希望您能够指明第一步，选取什么样的单元和建立合适的模型。 非常感谢！ |
4楼2009-12-20 11:20:05
warmwormdk
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5楼2009-12-20 13:18:48
tmw1987
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6楼2009-12-20 13:44:53
warmwormdk
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7楼2009-12-20 14:38:39
warmwormdk
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nono2009(金币+3,VIP+0):辛苦了！ 12-20 16:06
nono2009(金币+3,VIP+0):辛苦了！ 12-20 16:06
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Element Dimens. Shape or Characteristic DOFs PLANE35 2-D Triangle, 6-node Temperature (at each node) PLANE55 2-D Quadrilateral, 4-node Temperature (at each node) PLANE75 2-D Harmonic, 4-node Temperature (at each node) PLANE77 2-D Quadrilateral, 8-node Temperature (at each node) PLANE78 2-D Harmonic, 8-node Temperature (at each node) Table 2.2 3-D Solid Elements Element Dimens. Shape or Characteristic DOFs SOLID70 3-D Brick, 8-node Temperature (at each node) SOLID87 3-D Tetrahedron, 10-node Temperature (at each node) SOLID90 3-D Brick, 20-node Temperature (at each node) Table 2.3 Radiation Link Elements Element Dimens. Shape or Characteristic DOFs LINK31 2-D or 3-D Line, 2-node Temperature (at each node) Table 2.4 Conducting Bar Elements Element Dimens. Shape or Characteristic DOFs LINK32 2-D Line, 2-node Temperature (at each node) LINK33 3-D Line, 2-node Temperature (at each node) Table 2.5 Convection Link Elements Element Dimens. Shape or Characteristic DOFs LINK34 3-D Line, 2-node Temperature (at each node) Table 2.6 Shell Elements Element Dimens. Shape or Characteristic DOFs SHELL57 3-D Quadrilateral, 4-node Temperature (at each node) SHELL131 3-D Quadrilateral, 4-node Multiple temperatures (at each node) SHELL132 3-D Quadrilateral, 8-node Multiple temperatures (at each node) Table 2.7 Coupled-Field Elements Element Dimens. Shape or Characteristic DOFs PLANE13 2-D Thermal-structural, 4-node Temperature, structural displacement, electric potential, magnetic vector potential FLUID116 3-D Thermal-fluid, 2-node or 4-node Temperature, pressure SOLID5 3-D Thermal-structural and thermal-electric, 8-node Temperature, structural displacement, electric potential, and magnetic scalar potential SOLID98 3-D Thermal-structural and thermal-electric, 10-node Temperature, structural displacement, electric potential, magnetic vector potential PLANE67 2-D Thermal-electric, 4-node Temperature, electric potential LINK68 3-D Thermal-electric, 2-node Temperature, electric potential SOLID69 3-D Thermal-electric, 8-node Temperature, electric potential SHELL157 3-D Thermal-electric, 4-node Temperature, electric potential TARGE169 2-D Target segment element Temperature, structural displacement, electric potential TARGE170 3-D Target segment element Temperature, structural displacement, electric potential CONTA171 2-D Surface-to-surface contact element, 2-node Temperature, structural displacement, electric potential CONTA172 2-D Surface-to-surface contact element, 3-node Temperature, structural displacement, electric potential CONTA173 3-D Surface-to-surface contact element, 4-node Temperature, structural displacement, electric potential CONTA174 3-D Surface-to-surface contact element, 8-node Temperature, structural displacement, electric potential CONTA175 2-D/3-D Node-to-surface contact element, 1 node Temperature, structural displacement, electric potential PLANE223 2-D Thermal-structural, thermal-electric, structural-thermoelectric, and thermal-piezoelectric, 8-node Temperature, structural displacement, electric potential SOLID226 3-D Thermal-structural, thermal-electric, structural-thermoelectric, and thermal-piezoelectric, 20-node Temperature, structural displacement, electric potential SOLID227 3-D Thermal-structural, thermal-electric, structural-thermoelectric, and thermal-piezoelectric, 10-node Temperature, structural displacement, electric potential Table 2.8 Specialty Elements Element Dimens. Shape or Characteristic DOFs MASS71 1-D, 2-D, or 3-D Mass, one-node Temperature COMBIN37 1-D Control element, 4-node Temperature, structural displacement, rotation, pressure SURF151 2-D Surface effect element, 2-node to 4-node Temperature SURF152 3-D Surface effect element, 4-node to 9-node Temperature MATRIX50 [1] Matrix or radiation matrix element, no fixed geometry [1] INFIN9 [2 ] 2-D Infinite boundary, 2-node Temperature, magnetic vector potential INFIN47 [2 ] 3-D Infinite boundary, 4-node Temperature, magnetic vector potential INFIN110 [2 ] 2-D Infinite boundary, 4 or 8 nodes Temperature, magnetic vector potential, electric potential INFIN111 [2 ] 3-D Infinite boundary, 8 or 20 nodes Temperature, magnetic scalar potential, magnetic vector potential, electric potential COMBIN14 1-D, 2-D, or 3-D Combination element, 2-node Temperature, structural displacement, rotation, pressure COMBIN39 1-D Combination element, 2-node Temperature, structural displacement, rotation, pressure COMBIN40 1-D Combination element, 2-node Temperature, structural displacement, rotation, pressure |
8楼2009-12-20 14:39:24
