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Heat Conduction Analysis

Heat Conduction Analysis

This analysis uses the data of tutorial/16_heat_block.

Analysis target

The analysis target is a perforated block, the geometry is shown in Figure 4.16.1 and the mesh data is shown in Figure 4.16.2.

Item Description Notes Reference
Type of analysis Heat conduction analysis !SOLUTION,TYPE=HEAT
Number of nodes 37,386
Number of elements 32,160
Element type Eight node hexahedral element !ELEMENT,TYPE=361
Material name AL !MATERIAL,NAME=AL
Boundary conditions Prescribed temperature !FIXTEMP

Shape of the perforated block

Fig. 4.16.1: Shape of the perforated block

Mesh data of the perforated block

Fig. 4.16.2: Mesh data of the perforated block

Analysis content

Steady-state heat conduction analysis is performed to provide a heat source to the cylindrical inner surface of the object. The analysis control data are shown below.

Analysis control data block.cnt.

#  Control File for FISTR
## Analysis Control
## Solver Control
### Boundary Conditon
 FTMPC,  100.0
 FTMPS1, 20.0
 FTMPS2, 20.0
 FTMPS3, 20.0
 FTMPS4, 20.0
### Material
# define in mesh file
### Solver Setting
 100, 1
 1.0e-8, 1.0, 0.0
## Post Control
!surface 1

Analysis procedure

Execute the FrontISTR execution command fistr1.

$ cd FrontISTR/tutorial/16_heat_block
$ fistr1 -t 4
(Runs in 4 threads.)

Analysis results

A temperature contour plot was created by REVOCAP_PrePost and is shown in Figure 4.16.3. A part of the analysis results log file is shown below as numerical data for the analysis results.

Analysis results of temperature

Fig. 4.16.3: Analysis results of temperature

Analysis results log 0.log.

 fstr_setup: OK

 ISTEP =     1
 Time  =     0.000
 Maximum Temperature :   100.000
 Maximum Node No.    :         9
 Minimum Temperature :    20.000
 Minimum Node No.    :        85
 Maximum Temperature(global) :   100.000
 Minimum Temperature(global) :    20.000