19 lines
1.1 KiB
Markdown
19 lines
1.1 KiB
Markdown
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# optimization of carbon-epoxy plates with a viscoelastic layer
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[[Article_Taylor_and_Francis_vfinal.pdf|ref]]
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**basis of the work**
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*both experimental and numerical analyse*
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This papers explore the use of [[PCLD]], its goal is to optimise the damping (of the dynamic response) from the [[Viscoelasticity|viscoelastic]] layer while keeping some stiffness (at least half of the undamped plate), by studying the size and placement of the bridges between the two external layers of carbon-epoxy.
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The bridges are made by puncturing the viscoelastic layer with holes so that some of the epoxy matrix fills them.
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The simulations where made using the finite element model, with 2D elements for the carbon-epoxy layers and 3D elements with a [[Neo Hookean Behavior Law|neo-hookean visco-hyper-elastic behavior law]] for the inserted layer. The simulations are accurate with the experiments.
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The paper also points out an issue with the manufacturing of the bridges : the epoxy does not fill the holes fully, so there are bubbles or gaps, diminishing the properties of the material.
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