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laminated structures

Computer Aided Design Environment for Composites (CADEC)

CADEC is an online application that performs composite materials analysis as described in the textbook Introduction to Composite Materials Design-- Second Edition, CRC, 2010.
This web application implements the equations for:

  • Micromechanics
  • Ply Mechanics
  • Macromechanics
  • Strength
  • Damage
  • Fabric-Reinforced Composites
  • and Beams

http://www.cadec-online.com

flexural rigidities of orthotropic composite laminates

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Dear all,

Iam working in composite orthotropic laminates consists of many plies having different material properties in each ply. How to determine or calculate the flexural rigidity (D) of this laminate by transforming these composite into an isotropic model. The idea is that flexural rigidity of the orthotropic laminate is being smeared into a single isotropic formulation.

For instance: if I have three plies:

Ply1 : D1x and D1y

Ply2: D2x and D2y

Ply3: D3x and D3y

ANSYS shell99

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Does anyone knows what's the theory of the element shell99 in Ansys? I tried to search in ANSYS Help, but didn't find anything. Is it kirchoff classical plates theory?

Boundary Element Method For Fracture Mechanic.

Dear Freinds,

I need help to develop a boundary element code for FRACTURE Mechanics applications (for Isotropic & Laminated structures).

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