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January 1, 2008, 09:12 |
CAE program for heat conducting
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Which is the better CAE program to simulate the heat conducting in a block? I tried using FEMLAB 3.0a (3.0.0.228) from COMSOL, but the results had a big deviation! The softwares are listed below: FLUENT, ABAQUS, ANSYS CFX-v11.0 , CFX-v5.6, Flow3D. Thanks!
Details: I wanna simulate a sample (=cemented carbide tool) like that: Total dimension of the sample (x, y, z): 0,0127 x 0,0127 x 0,0047 (m) = 1,27 x 1,27 x 0,47 (cm) = 12,7 x 12,7 x 4,7 (mm) Dimension of the cavity with air (Pr = 0.70) (x, y, z) (10 times the dimension of the sample): 127,0 x 127,0 x 47,0 (mm) Interval of acquisition of data = 0,222000 seconds Initial temperature of the sample = 29,2 (ºC) = 302,35 K Number of thermocouples = 4 Co-ordinated (s) of the (s) thermocouple (you are): x= 0,0095 (m) y= 0,0035 (m) z= 0,0047 (m) x = 9,5 (mm) y= 3,5 (mm) z= 4,7 (mm) x= 0,0043 (m) y= 0,0035 (m) z= 0,0047 (m) x = 4,3 (mm) y= 3,5 (mm) z= 4,7 (mm) x= 0,0035 (m) y= 0,0089 (m) z= 0,0047 (m) x = 3,5 (mm) y= 8,9 (mm) z= 4,7 (mm) x= 0,0065 (m) y= 0,0059 (m) z= 0,0047 (m) x = 6,5 (mm) y= 5,9 (mm) z= 4,7 (mm) Busy area (s) (s) for the (s) heat flow (s) xo= 0 x=0.0104 yo= 0 y=0.0104 zo= 0,0 z=0.0 About the sample: The values of thermal properties used to calculate these temperatures are 43.1 W/m.K and 14.8 x 10^-06 m²/s. As boundary conditions, it was considered that all the faces were submitted to a constant convection heat transfer coefficient (h = 20 W/m²K). |
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