**Acknowledgement**

14 Advances in Computational Stability Analysis

developed methods are validated by industry.

The results of DESICOS comprise:

Handbook including all the results

can be found at www.desicos.de.

*PFH, Private University of Applied Sciences Göttingen, Composite Engineering Campus Stade, Germany* 

**5. Summary** 

**Author details** 

 \*

Richard Degenhardt\*

Corresponding Author

**4.3. Expected results** 

in the improved design procedures, the documentation of the designs as well as the

To reach the main objective, improved design methods, experimental data bases as well as design guidelines for imperfection sensitive structures are needed. The experimental data bases are indispensable for validation of the analytically developed methods. Reliable fast methods will allow for an economic design process. Industry brings in experience with the design and manufacture of real shells; research contributes knowledge on testing and on development of design methods. Design guidelines are defined in common, and the

Method for the design of buckling critical fibre composite launcher structures, based on

Experimental results of buckling tests including measured imperfections, buckling and

Reliable procedure how to apply the Vibration Correlation Technique (VCT) in order to

This chapter summarises the state-of-the-art of imperfection sensitive composite structures prone to buckling. The current design process according the NASA SP 8007 is shown and its limitations to design structures made of composites are explained. A new promising approach which combines the Single Perturbation Load Approach and a Stochastic Approach - as an alternative to the NASA SP 8007 - is presented. It is further developed in the EU project DESICOS the objectives and expected results of which are given. More details

documentation of the experiments and their evaluated results.

Material properties, measured according to the applicable standards

postbuckling deformations, load shortening curves, buckling loads Guidelines how to design composite cylindrical shells to resist buckling

Demonstration of the potential with different industrially driven use cases.

*DLR, Institute of Composite Structures and Adaptive Systems, Braunschweig, Germany* 

predict buckling loads non-destructively by experiments

the combined SPLA and stochastic procedures, validated by experiments

The research leading to these results has received funding from the European Community's Seventh Framework Programme (FP7/2007-2013) under Priority Space, Grant Agreement Number 282522. The information in this paper reflects only the author's views and the European Community is not liable for any use that may be made of the information contained therein.
