Predictions of  ABD matrice or 3D effective properties of composite laminates.

Let the material properties a lamina (AS4 3501-6) be: 
:  E,,11,,=126 GPA, E,,22,,=11 GPA, v,,12,,=0.28, v,,23,,=0.4, G,,12,,=6.6GPa, G,,23,,=3.928GPa.[[BR]]
"Soden, P. D., Hinton M. J. and Kaddour, A. S., Lamina properties, lay-up configurations and
loading conditions for a range of fibre reinforced composite laminates. Compos. Sci. Technol.,
1998, 58(7), 1011"[[BR]]

Laminate lay-up: {{{ [0/90/±45]}}},,2s,,[[BR]]
Thickness = 0.25mm.[[BR]]

The youtube video of this problem can be obtained[[BR]]
https://www.youtube.com/watch?v=zz-F_Zmt6kY[[BR]]

'''__1.  Steps to obtain the ABD matrix for composite laminates using SwiftComp-Abaqus GUI__'''
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'''Step 1:'''
 a.   Input material properties as elastic and engineering constants.[[BR]]
[[Image(problem-1A.jpg)]]
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'''Step 2:'''
 a.  Select Suitable SG - for this problem  click on 1D SG and the laminate generating wizard pops up as "1D Structure Genome" (see below) [[BR]]
[[Image(problem-1B.jpg)]]
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'''Step 3:''' Generate laminate[[BR]]
a.	Click on fast Generate to generate composite laminate [[BR]]
b.	Add the layup information [[BR]]
c.	Add thickness of each laminate [[BR]]
d.	Select material type [[BR]]
e.	Click OK to generate the laminate [[BR]]
f.	See generated laminate below [[BR]] 
[[Image(problem-1C.JPG)]][[BR]]
[[Image(problem-1D.JPG)]]
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'''Step 4:'''  Perform Homogenization-ABD Matrix [[BR]]
a.	Click on Homogenization [[BR]]
[[Image(problem-1E.JPG)]][[BR]]
b.	Homogenization Wizard shows up( see below)[[BR]]
c.	Select the macroscopic model [[BR]]
d.	Select the specific model for laminate analysis, let classical model is selected[[BR]]
e.	Select analysis type[[BR]]
f.	Click on OK to perform homogenization [[BR]]
g.	The predicted effective properties are shown below[[BR]]
[[Image(problem-1I.JPG)]][[BR]]
[[Image(problem-1F.JPG)]]
[[Image(problem-1G.JPG)]][[BR]]

'''__2.  Steps to obtain the 3D effective properties for composite laminates using SwiftComp-Abaqus GUI__'''[[BR]]
This is similar to the ABD matrix except at the homogenization step, i.e., from steps 1 to step 3, it is the same.[[BR]]

a.	Click on Homogenization [[BR]]
[[Image(problem-1E.JPG)]][[BR]]
b.	Homogenization Wizard shows up ( see below)[[BR]]
c.	Select 3D (solid) Model[[BR]]
d.	Select analysis type, elastic[[BR]]
e.	Click on OK to start homogenization[[BR]]
f.	See the predicted 3D effective properties[[BR]]
[[Image(problem-1H.JPG)]][[BR]]


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Users can also use youtube video for this problem

https://www.youtube.com/watch?v=zz-F_Zmt6kY