Stationary heat propagation along the radius of a hollow ball under boundary conditions of the first kind (given temperature)

Verification of the LIRA-FEM software / Stationary heat propagation along the radius of a hollow ball under boundary conditions of the first kind (given temperature) / Société Fançajse des Mécaniciens, Commission Validation des progiciels de calcul de Structures, groupe de travail Thermique (2D et 3D) et thermoélasticité, Pan‘s, 1989.



Stationary heat propagation along the radius of a hollow ball under boundary conditions of the first kind (given temperature)

Type of analysis: stationary thermal.

Source: Société Fançajse des Mécaniciens, Commission Validation des progiciels de calcul de Structures, groupe de travail Thermique (2D et 3D) et thermoélasticité, Pan‘s, 1989.


Geometry:

 Ri=0.3м

Re=0.35м

Material Characteristics:

Thermal conductivity coefficient: λ1=1 Вт/м ° C

 

Boundary conditions:

 

Inner radius сферы:

set temperature Ti =100°С.

 

The outer radius of the sphere:

set temperature Te =20°С.

 

The calculation method used to obtain the reference solution:

 9_1.png

 

 

 

CALCULATION RESULTS:

R(м)

The desired value

Analytical solution

Calculation results (LIRA-SAPR)

Uncertainty,%

0.30

Т (0С)

100.00

100.00

0

0.31

Т (0С)

81.94

81.94

0

0.32

Т (0С)

65.00

65.01

0.015

0.33

Т (0С)

49.09

49.10

0.02

0.34

Т (0С)

34.12

34.12

0

0.35

Т (0С)

20.00

20.00

0


test10_9 - типы конечных элементов заданная температура значение температуры в узлах.png

Preview image: Array

FILES
Text file
Raw data files for PC LIRA-SAPR 2020:
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