Kilchert S.V. Nonlinear finite element modelling of degradation and failure in folded core composite sandwich structures: Diss. … Dr.-Ing. / Deutsches Zentrum für Luft- und Raumfahrt, Institut für Bauweisen- und Konstruktionsforschung, Stuttgart. - Köln: DLR, 2013. - xii, 200 p.: ill. - (Forschungsbericht; 2013-22). - Bibliogr.: p.188-200. - ISSN 1434-8454  Место хранения:   02 | Отделение ГПНТБ СО РАН | Новосибирск

Оглавление / Contents

Abbreviations ................................................. VII Kurzfassung .................................................... IX Abstract ....................................................... XI 1 Introduction ................................................. 1 1.1 Aims and objectives ..................................... 2 1.2 Thesis summary .......................................... 2 2 State of the art ............................................. 5 2.1 Overview ................................................ 5 2.2 Sandwich structures ..................................... 5 2.3 Analytical methods in sandwich structures .............. 11 2.4 Numerical modelling of sandwich structures ............. 14 3 Arantid paper ............................................... 23 3.1 Overview ............................................... 23 3.2 Introduction to aramid paper ........................... 23 3.3 Experimental characterisation .......................... 30 3.4 Numerical model ........................................ 44 3.5 Model evaluation ....................................... 62 4 Folded sandwich cores ....................................... 70 4.1 Overview ............................................... 70 4.2 Experimental characterisation .......................... 70 4.3 Numerical model ........................................ 78 4.4 Model evaluation ....................................... 98 5 Impact on foldcore sandwich structures ..................... 109 5.1 Overview .............................................. 109 5.2 Experimental characterisation ......................... 109 5.3 Numerical model ....................................... 134 5.4 Model evaluation ...................................... 148 6 Discussion ................................................. 166 6.1 Overview .............................................. 166 6.2 Investigation of aramid paper ......................... 166 6.3 Investigation of aramid paper foldcores ............... 169 6.4 Impact on foldcore structures ......................... 171 7 Contributions and future research .......................... 177 7.1 Contributions ......................................... 177 7.2 Future research ....................................... 180 A Newton-Raphson method ...................................... 183 B Model setup in РАМ-CRASH ................................... 185 Bibliography .................................................. 188