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Display A B D Matrices

Posted 2019年11月7日 GMT-5 09:20 Structural & Acoustics, Materials, Structural Mechanics Version 5.4 1 Reply

Ozge Yalman
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Hi, I am Ozge, I would like to display the matrix A B D of the composite sandwich panels in Comsol. Is there an interface used for this? Can you help me with how to display A B D matrices in a composite model?

1 Reply Last Post 2019年11月7日 GMT-5 23:20
Pawan Soami COMSOL Employee

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Posted: 5 years ago 2019年11月7日 GMT-5 23:20
Updated: 5 years ago 2019年11月7日 GMT-5 23:20

Hi Ozge,

The Layered Linear Elastic Material node in the Shell interface computes A, B, D matrices. The variables are called shell.DA, shell.DB, Shell.DD.

You can refer laminated_shell_material_characteristics example model available in the Application Library.

Note that you can also display all three together using shell.ABD variable. In case you want flexibility matrices, you can use shell.Da, shell.Db, Shell.Dd variables.

Best regards,
Pawan Soami

Hi Ozge, The Layered Linear Elastic Material node in the Shell interface computes A, B, D matrices. The variables are called *shell.DA*, *shell.DB*, *Shell.DD*. You can refer laminated_shell_material_characteristics example model available in the Application Library. Note that you can also display all three together using *shell.ABD* variable. In case you want flexibility matrices, you can use *shell.Da*, *shell.Db*, *Shell.Dd* variables. Best regards, Pawan Soami

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