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

Let the material properties a lamina be: 
AS4 3501-6:  E,,11,,=126 GPA, E,,22,,=11 GPA, v,,12,,=0.28, v,,23,,=0.4, G,,12,,=6.6GPa, G,,23,,=3.928GPa.

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

Major 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-1D SG[[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)]]
[[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-1F.JPG)]]
[[Image(problem-1G.JPG)]]