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  [[File:Opt_hutablage_opt_res.png|200px|thumb|bottom|Eigenfrequency optimization of a car rear shelf]]
 
  [[File:Opt_hutablage_opt_res.png|200px|thumb|bottom|Eigenfrequency optimization of a car rear shelf]]
 
  [[File:Domain_decomp.png|200px|thumb|bottom|Domain decomposition for parallel computing]]  
 
  [[File:Domain_decomp.png|200px|thumb|bottom|Domain decomposition for parallel computing]]  
 
== WHAT IS Carat++? ==
 
 
 
An overview of the Carat++ features is given [[Users:Software_Overview|here]].
 
  
  
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* to provide a basic knowledge base that can be used by both existing and new users  
 
* to provide a basic knowledge base that can be used by both existing and new users  
 
* to demonstrate the capabilities of Carat++ (perhaps after some time).
 
* to demonstrate the capabilities of Carat++ (perhaps after some time).
 
  
  

Revision as of 13:07, 30 August 2010

shape optimization of a pressure bulkhead
Eigenfrequency optimization of a car rear shelf
Domain decomposition for parallel computing


Welcome to the Carat++ wiki! The purpose of this resource is

  • to promote collaboration between Carat++ users.
  • to offer a forum for questions, discussions and suggestions about Carat++.
  • to provide a basic knowledge base that can be used by both existing and new users
  • to demonstrate the capabilities of Carat++ (perhaps after some time).


Contents

WHAT IS Carat++?

Carat++ is a finite element program for simulation, structural optimization and form finding. The software is the result of a complete redesign of CARAT, the research code at the Chair of Structural Analysis, Prof. Dr. K.-U. Bletzinger, TU Muenchen.

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)


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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