Heat_Transfer__Teapot.pdf

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Strategic Simulation & Analysis Ltd

Southill Barn,

Southill Business Park, Cornbury Park, Charlbury, Oxfordshire, OX7 3EW

T. 01608 811777 F. 01608811770 E.info@ssanalysis.co.uk W. www.ssanalysis.co.uk

Tutorial Number

analysis of a teapot

Strategic Simulation & Analysis Ltd

Southill Business Park, Cornbury Park, Charlbury, Oxfordshire, OX7 3EW

T. 01608 811777 F. 01608811770 E.info@ssanalysis.co.uk W. www.ssanalysis.co.uk

Tutorial Number

18:

Heat transfer

analysis of a teapot

Stefano Morlacchi

September 2014

Southill Business Park, Cornbury Park, Charlbury, Oxfordshire, OX7 3EW

T. 01608 811777 F. 01608811770 E.info@ssanalysis.co.uk W. www.ssanalysis.co.uk

Heat transfer

Strategic

Simulation & Analysis Ltd

Southill Barn, Southill Business Park, Cornbury Park, Charlbury, Oxfordshire, OX7 3EW

T. 01608 811777 F. 01608811770 E.info@ssanalysis.co.uk W. www.ssanalysis.co.uk

1. Introduction

In this tutorial, you will

create a

simulations will be implemented to compare the temperature fields obtained using

a steel or a porcelain teapot

no mechanical properties have to be defined.

is the only unknown degree of freedom.

When you complete this tutorial, y

- Define the thermal

properties of

porcelain.

Define thermal loads and boundary conditions as well as interactions to

model phenomena

such as

Use the visualization module to

views of the model.

- Properly handle a h

ot teapot!

Preliminaries

- Why this teapot?

It is a very common issue in

This teapot (Utah teapot) is a very famous object in the CAD world

since it was

one of the first

Nowadays, t

eapot scenes are

benchmarks.

Nerds like it...

The model is based on the SI units based on

Figure 1: Consistent sets of units available in Abaqus.

Simulation & Analysis Ltd

Southill Barn, Southill Business Park, Cornbury Park, Charlbury, Oxfordshire, OX7 3EW

T. 01608 811777 F. 01608811770 E.info@ssanalysis.co.uk W. www.ssanalysis.co.uk

create a

heat transfer model of a

hot

simulations will be implemented to compare the temperature fields obtained using

a steel or a porcelain teapot

. A pure heat transfer procedure

will be used, thus

no mechanical properties have to be defined.

In this kind of analysi

s, t

is the only unknown degree of freedom.

When you complete this tutorial, y

ou will be able to:

properties of

two common materials such as steel and

Define thermal loads and boundary conditions as well as interactions to

such as

thermal conduction, convection and radiation

Use the visualization module to

plot field output variables

and create cut

ot teapot!

It is a very common issue in

UK.

This teapot (Utah teapot) is a very famous object in the CAD world

one of the first

CAD

models to be created in the 70s.

eapot scenes are

commonly used for renderer self

Nerds like it...

The model is based on the SI units based on

millimetres.

Figure 1: Consistent sets of units available in Abaqus.

Southill Barn, Southill Business Park, Cornbury Park, Charlbury, Oxfordshire, OX7 3EW

T. 01608 811777 F. 01608811770 E.info@ssanalysis.co.uk W. www.ssanalysis.co.uk

hot

teapot. Two

simulations will be implemented to compare the temperature fields obtained using

will be used, thus

s, t

emperature

two common materials such as steel and

Define thermal loads and boundary conditions as well as interactions to

thermal conduction, convection and radiation

and create cut

This teapot (Utah teapot) is a very famous object in the CAD world

models to be created in the 70s.

commonly used for renderer self

-tests and

Strategic

Simulation & Analysis Ltd

Southill Barn, Southill Business Park, Cornbury Park, Charlbury, Oxfordshire, OX7 3EW

T. 01608 811777 F. 01608811770 E.info@ssanalysis.co.uk W. www.ssanalysis.co.uk

Setting up the model

Open the

Abaqus database

This file contains

the geometry of the two parts of the teapot, the lid and the

teapot.

3. Material

and section

Enter the property module

porcelain.

Within a heat transfer analysis, the problem that has to be solved is

defined by the following equation.

Thus, no mechanical

properties have to be defined but only the material’s thermal

properties in terms of

(

density

COMMON SI UNITS

- Density

- Conductivity

- Specific Heat

1. Go into the

Property Module

Material

dialog box, name the material

bar, select Thermal →

Conductivity

material editor’s menu bar, select

420,000 J/tonn/°C. S

elect

tonn/mm

. Click OK

to exit the material editor.

Simulation & Analysis Ltd

Southill Barn, Southill Business Park, Cornbury Park, Charlbury, Oxfordshire, OX7 3EW

T. 01608 811777 F. 01608811770 E.info@ssanalysis.co.uk W. www.ssanalysis.co.uk

Setting up the model

Abaqus database

file Tutorial 18.cae

the geometry of the two parts of the teapot, the lid and the

and section

properties

and define the two material models for the steel and

Within a heat transfer analysis, the problem that has to be solved is

defined by the following equation.







 











properties have to be defined but only the material’s thermal

density

(specific heat) and

(conductivity)









  °



 °

Property Module

and click the Create Material

icon. In the

dialog box, name the material

Steel

. From the material editor’s menu

Conductivity

. Enter a

value of 0.015 W/mm/

material editor’s menu bar, select

Thermal → Specific Heat.

Enter a

elect

General → Density and enter

a value of

to exit the material editor.

Southill Barn, Southill Business Park, Cornbury Park, Charlbury, Oxfordshire, OX7 3EW

T. 01608 811777 F. 01608811770 E.info@ssanalysis.co.uk W. www.ssanalysis.co.uk

the geometry of the two parts of the teapot, the lid and the

and define the two material models for the steel and

Within a heat transfer analysis, the problem that has to be solved is

properties have to be defined but only the material’s thermal

(conductivity)

icon. In the

Edit

. From the material editor’s menu

value of 0.015 W/mm/

°C. From the

Enter a

value of

a value of

8E-9

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