Abaqus Tutorial 6 Crash Box

7/21/2019 Abaqus Tutorial 6 Crash Box

1/11

St

Southill Barn, Southill Busine

T. 01608 811777 F. 016088

Crash -i

ategic Simulation & Analysis Ltd

ss Park, Cornbury Park, Charlbury, Oxfords

11770 [email protected] W. www.ss

Tutorial 6:xplicit solution opact problem

Laurence Marks

ire, OX7 3EW

nalysis.co.uk

an


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Southill Barn, Southill Business Park,

T. 01608 811777 F. 01608811770 E

1. Geometry ImpImport the geometry in the

imulation & Analysis Ltd

Cornbury Park, Charlbury, Oxfordshire, OX

[email protected] W. www.ssanalysis.

ort

form of a sat file Tutorial 6.sat

3EW

o.uk


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2. Material and sStart to define the material

Define two materials Ste

which will have yield and p

need to define a density fo

Steel E = 210e3 MPa, N

Aluminium E = 70e3 MP

The aluminium plastic prop




ection properties

properties go into the properties modul

l which will only have linear properties a

st yield behaviour. As the problem is dy

both.

XY = 0.3, Density = 7.8e-9

, NUXY = 0.3, Density = 2.5e-9

erties are as follows;

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e.

d Aluminium

amic we also


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Create section each for Alu

The aluminium section nee

thickness of 1.2mm.

Assign the sections to the r

Steel Block and Aluminiu

Go into the assembly mod




minium and Steel.

ds to be defined as a shell and include t

elevant parts.

m Crash Box.

le to instance the parts.

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e shell


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3. Define the firs

For this analysis we shall c

Set the total time to 0.02 a




analysis step

hoose a dynamic explicit step.

d accept the other default options.

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5. Define restrai

Restrain the rear face of t




ts and initial velocity

e aluminium tube. Choose encastre f

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lly fixed.


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We use a predefined field t25,000 mm/second in the z




o apply the initial velocity to the steel blodirection.

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k. Define


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6. Meshing

Mesh the model with an ap

7. Create and Su

Exactly the same method a




propriate mesh size so that it roughly loo

bmit a job

s the previous tutorials.

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ks like this.


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8. Open the resu




lts file and plot the results

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Cornbury Park, Charlbury, Oxfordshire, OX 3EW

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Abaqus Tutorial 6 Crash Box