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[[File:Opt_bulkhead_des_upd.png|200px|thumb|bottom|shape optimization of a pressure bulkhead]]
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== WHAT IS Carat++? ==
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[[File:Opt_hutablage_opt_res.png|200px|thumb|bottom|Eigenfrequency optimization of a car rear shelf]]
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[[File:Domain_decomp.png|200px|thumb|bottom|Domain decomposition for parallel computing]]
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Carat++ is a finite element program for simulation, structural optimization and form finding.
  
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== Welcome to the Carat++ wiki! ==
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The software is the result of a complete redesign of CARAT, the research code at the [http://www.st.bv.tum.de Chair of Structural Analysis, Prof. Dr. K.-U. Bletzinger, TU Muenchen].
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The purpose of this resource is
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* to promote collaboration between Carat++ users.
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* to offer a forum for questions, discussions and suggestions about Carat++.
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* to provide a basic knowledge base that can be used by both existing and new users
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* to demonstrate the capabilities of Carat++ (perhaps after some time).
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== Standard FE Analyses ==
  
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== WHAT IS Carat++? ==
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The kernel of Carat++ is a general finite element solver. Details can be found [[Users:General FEM Analysis|here]]. It offers the following analyses:
  
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Carat++ is a finite element program for simulation, structural optimization and form finding.
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* Static (linear/nonlinear)
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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.  
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* Dynamic (linear/nonlinear)
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More detailed information about the features of Carat++ can be found [[Users:Software Overview|here]].
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** Explicit: central difference
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** Implicit: Newmark-β, Generalized-α
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* Eigenfrequency
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* Linear Buckling
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* Contact (Work in Progress)
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* Interface for coupled analyses like [[Users:FSI|fluid-structure interaction (FSI)]]
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== Isogeometric Analyses ==
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The kernel of Carat++ is also a general finite element solver for isogeometric analysis (IGA). Details can be found [[Users:General FEM Analysis|here]]. It offers the following analyses:
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* Static (linear/nonlinear)
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* Form Finding
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* Eigenfrequency
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== Structural Optimization ==
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Carat++ comprises a general-purpose optimization toolbox. The main application field is FEM-based shape optimization.  
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Detailed information about the optimization toolbox and its features can be found [[Users:Structural_Optimization|here]].
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{|
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| [[File:Opt_bulkhead_des_upd.png|frame|shape optimization of a pressure bulkhead]]
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| [[File:Opt_hutablage_opt_res.png|frame|Eigenfrequency optimization of a car rear shelf]]
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|}
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== Form Finding and Cutting Pattern Generation ==
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Carat++ can perform numerical form finding as well as cutting pattern generation. Detailed information can be found in separate chapters [[Users:Form Finding|here]].
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{|
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|[[File:Fofi_example_eyecable.png|frame|left|Formfinding of a prestressed membrane with an eye cable.]]
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|}
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== TODO ==
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Three main features are:
  
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{|
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|
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* Carat++ is '''platform independent'''
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| [[File:Platform_independence.png|200px|center|Carat++ is platform independent]]
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|-
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|
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* Carat++ is '''suitable for large problems'''
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: (due to massively parallel programming)
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| [[File:Parallel_programming.png|200px|center|Suitable for large problems]]
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|-
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|
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* Carat++ is '''modular and thus easily extensible'''
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: (due to object-oriented programming)
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| [[File:Modularity_lego.png|100px|center|Modular and thus easy extensible]]
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|}
  
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== Current Events ==
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[[File:Domain_decomp.png|200px|frame|left|Domain decomposition for parallel computing]]
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[[currentevents-url]]
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Latest revision as of 12:11, 11 July 2018

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.

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)
  • Form Finding
  • Eigenfrequency

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 and Cutting Pattern Generation

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

Formfinding of a prestressed membrane with an eye cable.


TODO

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 easily extensible
(due to object-oriented programming)
Modular and thus easy extensible
Domain decomposition for parallel computing




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