Users:Software Overview

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WHAT IS Carat++?

Carat++ is a finite element program for simulation, structural optimization and form finding. Three main features are:

  • Carat++ is platform independent
Carat++ is platform independent
  • Carat++ is suitable for large problems
(due to massively parallel programming)
Suitable for large problems
  • Carat++ is modular and thus easy extensible
(due to object-oriented programming)
Modular and thus easy extensible


Standard FE Analyses

The kernel of Carat++ is a general finite element solver. Details can be found here. It offers the following analyses:

  • Static (linear/nonlinear)
  • Dynamic (linear/nonlinear)
    • Explicit: central difference
    • Implicit: Newmark-β, Generalized-α
  • Eigenfrequency
  • Linear Buckling
  • Contact (Work in Progress)
  • Interface for coupled analyses like fluid-structure interaction (FSI)

Isogeometric Analyses

The kernel of Carat++ is also a general finite element solver for isogeometric analysis (IGA). Details can be found here. It offers the following analyses:

  • Static (linear/nonlinear)
  • Eigenfrequency
linear static analysis of an oilsump - resulting displacement

Structural Optimization

Carat++ comprises a general-purpose optimization toolbox. The main application field is FEM-based shape optimization. Detailed information about the optimization toolbox and its features can be found here.

shape optimization of a pressure bulkhead
Eigenfrequency optimization of a car rear shelf


Form Finding

Carat++ can perform numerical form finding as well as cutting pattern generation. Detailed information can be found in a separate chapter here.

Formfinding of a prestressed membrane with an eye cable.




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