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Digimat assisted the engineers at CADFEM to develop a more efficient wind turbine by closing the gap between advanced modeling of heterogeneous anisotropic and nonlinear materials. The possibility of taking into account the micromchanical properties of fiber reinforced plastics in wind turbines is another area Digimat can aid in the production process of green energy.
  • Design of bigger turbine blades with low weight & high rotational inertia
  • Optimal use of expensive high-­-end composite materials
  • Flexible & realistic simulation approach to investigate design concepts
  • Multi-scale analysis based on ANSYS Composite PrepPost™ model
  • Describe GFRP and CFRP composites via a unique material modeling approach using the mean field homogenization on the microscopic scale in DIGIMAT
  • Fiber description taking into account isotropic or transversely isotropic properties
  • Systematic analysis of failure directly in the Epoxy and the fiber phases
Results Validation:
"DIGIMAT enhances our product portfolio and closes the gap towards advanced modeling of heterogeneous anisotropic and nonlinear materials. We see a large potential for taking into account the micromechanical properties of fiber reinforced plastics." Martin Kracht, Product Manager DIGIMAT at CADFEM GmbH - ANSYS Competence Center FEM in Germany
  • Failure indicators are in general much lower for carbon fiber than for glass fiber reinforcement Carbon fiber reinforced blade fails on different ply level compared to the glass fiber design
  • The usage of a transversely isotropic description for the carbon fibers is critically important for a realistic simulation approach

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