TACO Version 1.0 Manual (2009)
The software program TACO (Tailored Composite Design Code) is a Tailored Fibre Place-ment (TFP) design tool for lightweight composite structures. It is developed to optimize the fibre orientations of...
Evaluation of Impact Assessment Methodologies. Part I: Applied Methods (2009)
Kärger, Luise, Baaran, Jens, Gunnion, A., Thomson, R.
The present paper is the first part of a comparative evaluation of two methodologies for the analysis of damage in composites. The subject of the investigation is low-velocity impact and residual...
Evaluation of Impact Assessment Methodologies. Part II: Experimental Validation (2009)
Kärger, Luise, Baaran, Jens, Gunnion, A., Thomson, R.
The present paper is the second part of an evaluation study of the impact simulation tools CODAC and IDAT. While in Part I the methodologies for stress analysis, failure detection, material...
The influence of imperfections on the buckling behavior of unstiffened CFRP-cylinders (2008)
Orf, Jana, Degenhardt, Richard, Bethge, Arne, Kärger, Luise
The objective of this work was the investigation of several imperfections concerning their influence on the buckling behaviour of thin-walled circular cylindrical CFRP (carbon fibre reinforce...
Tailored Fibre Placement (TFP) is a promising composite technology which exploits considerable reserves in fibre reinforced structures by means of adapted fibre alignments. At DLR, Institute of...
Efficient prediction of damage resistance and tolerance of composite aerospace structures (2008)
Baaran, Jens, Kärger, Luise, Wetzel, Anja
The present work introduces efficient methodologies based on the finite-element method for a quick evaluation of damage resistance and damage tolerance of composite aerospace structures. Monolithic,...
Efficient simulation of low-velocity impacts on composite sandwich panels (2008)
Kärger, Luise, Baaran, Jens, Teßmer, Jan
For efficiently simulating the damage resistance of sandwich panels subjected to low-velocity impacts, the finite element based damage tolerance tool CODAC has been enhanced. While sandwich...
Einfluss von Imperfektionen auf das Beulverhalten unversteifter CFK-Zylinder (2008)
Ziel der vorliegenden Arbeit war die Untersuchung von verschiedenen Imperfektionen hinsichtlich ihres Einflusses auf das Beulverhalten von unversteiften CFK-Zylindern sowie die Bestimmung eines...
Schlussbericht KRAFT Versagenskriterien und Analyse von Faserverbund-Rumpf-Tragwerken (2007)
Aschenbrenner, Lars, Baaran, Jens, Degenhardt, Richard, Kärger, Luise, Temmen, Hubert, Teßmer, Jan, ...
Effiziente Simulation von Schlagschädigungen in Faserverbund-Sandwichstrukturen (2007)
Sandwichstrukturen, die aus zwei dünnen, steifen Faserverbunddeckschichten und einem besonders leichten Kern bestehen, bieten eine sehr hohe gewichtsspezifische Tragfähigkeit und hervorragende...
Rapid simulation of impacts on composite sandwich panels inducing barely visible damage (2007)
Kärger, Luise, Baaran, Jens, Teßmer, Jan
The finite element based design tool, CODAC, has been developed for efficiently simulating the impact behavior of sandwich structures consisting of two composite face sheets and a compliant core. To...
Kintscher, Markus, Kärger, Luise, Wetzel, Anja, Hartung, Daniel
For efficiently simulating the failure behaviour of sandwich structures made of stiff face sheets and a light-weight core, macroscopic material stiffness and strength values are essential. The...
Potentials and Limitation of FE-based Simulation Methods for Fibre Composite Structures (2007)
Kling, Alexander, Kärger, Luise, Baaran, Jens, Teßmer, Jan
Current industrial demands for fibre composite primary structures in the area of aeronautics require innovative, experimentally validated simulation methods and tools, to support a cost and weight...
Experimental validation of efficient impact simulation methodologies of sandwich structures (2007)
Kärger, Luise, Baaran, Jens, Teßmer, Jan
Aircraft design calls for weight efficient shell constructions. Composite sandwich structures satisfy this demand by the combination of two thin, stiff face sheets and an intermediate lightweight...
Experimental Validation of Efficient Impact Simulation Methodologies for Sandwich Structures (2007)
Kärger, Luise, Baaran, Jens, Teßmer, Jan
Aircraft design calls for weight efficient shell constructions. Composite sandwich structures satisfy this demand by the combination of two thin, stiff face sheets and an intermediate lightweight...
Impact- und Restfestigkeitsversuche an Sandwichplatten mit Faltwabenkernen (2006)
Impact- und Restfestigkeitsversuche an Sandwichplatten mit Faltwabenkernen
Versuchsprogramm - Kombinierte Druck-Schub-Versuche an Faltwabenkernen (2006)
Kintscher, Markus, Kärger, Luise, Wetzel, Anja, Goetting, Hans Christian
Versuchsprogramm - Kombinierte Druck-Schub-Versuche an Faltwabenkernen (2006)
Kintscher, Markus, Kärger, Luise, Wetzel, Anja, Goetting, Hans Christian
Two FE Formulations for a Rapid 3D Stress Analysis of Composite Sandwich Structures (2005)
Two FE Formulations for a Rapid 3D Stress Analysis of Composite Sandwich Structures
Bewertung von Versagenskriterien für Faserverbunde anhand der Studien von Soden, Hinton und Kaddour
For efficiently simulating the impact behavior of sandwich structures made from composite face sheets and a lightweight core a rapid and accurate 3D stress analysis is essential. For that reason, a...
Impactsimulation von Sandwichstrukturen mit CODAC - Studie zu Degradationsmodellen (2005)
Das am DLR entwickelte FE-Tool CODAC dient der schnellen Simulation des Low-Velocity Impacts auf Strukturen aus Faserverbundwerkstoffen. Für die Erweiterung von CODAC auf die Impactanalyse von...
Das am Institut für Strukturmechanik entwickelte Berechnungstool CODAC dient der schnellen Simulation des Low-Velocity Impakts auf Strukturen aus Faserverbundwerkstoffen. Da das Verformungs- und...