Predictions of ABD matrix 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__''' ---- '''Step 1:''' a. Input material properties as elastic and engineering constants.[[BR]] [[Image(problem-1A.jpg)]] ---- '''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)]] ---- '''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)]] ---- '''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]] ---- Users can also use youtube video for this problem https://www.youtube.com/watch?v=zz-F_Zmt6kY