Life Cycle Design C7. Betriebsfestigkeit von schiffbaulichen Konstruktionen aus Leichtmetall

SIGLEAvailable from TIB Hannover: F00B958 / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Bildung und Forschung (BMBF), Bonn (Germany)DEGerman

Schlussbericht zum BMBF-Forschungsvorhaben WIPS STEP-konforme Integration von Konstruktionssoftware in den Schiffsstrukturentwurfsprozess

SIGLEAvailable from TIB Hannover: F 01 B 465 / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Bildung und Forschung, Berlin (Germany)DEGerman

Berechnung der Energieabsorption der Stahlstruktur von Schiffen bei Kollision und Grundberuehrung

SIGLEAvailable from TIB Hannover: RA 489(613) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDEGerman

Zukuenftige Dimensionierung und Gestaltung der Schiffskonstruktion Teilvorhaben D 1.2: Versagensmechanismen fuer 3-dimensionale Tragwerke. Abschlussbericht

Ship-plate structures are often subjected to membrane load which can lead to buckling formation. Studying the post-buckling behaviour by linear and non-linear finite element calculations it could be proved that numerical results are in good agreement with experimental results and results derived from elementary support structure mechanics. The buckling of structures alone exhibits no significant influence on the ship hull ultimate strength. (WEN)SIGLEAvailable from TIB Hannover: F94B966+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Forschung und Technologie (BMFT), Bonn (Germany)DEGerman

Life-Cycle Design. Teilvorhaben D2: Grundberuehrung von Doppelhuellentankern Abschlussbericht

Grounding of ships is often the cause of serious ship accidents. The problem is of practical importance due to the formidable environmental implications of an accident involving ships carrying dangerous cargoes. Just as controversial discussions after the disastrous grounding of the tanker EXXON VALDEZ ceased to be of public interest, other less spectacular ship groundings occured. In appraising the safety aspects of ships, therefore, it is necessary to investigate the effectiveness of the ship's double bottom structure. The purpose of this project was to improve ship safety by developing computational methods based on proven numerical techniques and validated by experimental measurements of two realistic grounding tests with existing ships. The semi-analytical DAMAGE computer code was used to closely approximate the entire energy absorption process of the ship's bottom structure during grounding. However, the accuracy of this method decreased when predicting forces. At the present time only finite element calculations, such as DYNA3D or other suitable codes, are able to compensate for this lack of accuracy. Numerical computations to evaluate ultimate strength (breaking strain) and to asses the influence of friction and strain rate on energy absorption need further examination. (orig.)SIGLEAvailable from TIB Hannover: F98B1080 / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Bildung, Wissenschaft, Forschung und Technologie, Bonn (Germany)DEGerman

Life Cycle Design. Teilvorhaben C2: Untersuchungen zum Strukturspannungskonzept

Available from TIB Hannover: F00B1238+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEBundesministerium fuer Bildung, Wissenschaft, Forschung und Technologie, Bonn (Germany)DEGerman

Life-Cycle Design. Teilvorhaben D2A: Seitenkollision von Doppelhuellenschiffen Abschlussbericht

Collision and grounding of ships are often the cause of serious ship accidents. These problems are of practical importance due to the formidable environmental implications of an accident involving ships carrying dangerous cargoes. In appraising the safety aspects of ships, therefore, it is necessary to investigate the effectiveness of the ship's double side structure. The purpose of this project was to improve ship safety by developing computational methods based on proven numerical techniques and validated by experimental measurements of a realistic collision test with existing ships. The semi-analytical DAMAGE computer code and Finite element (LS-DYNA) calculations are used to closely approximate the entire energy absorption process of the ship's side structure during collision. In comparison our numerical computations to evaluate the energy absorption of the side-structure are showing that it is possible to develop an effective ship structure. To assure the proposed calculation methods further research is necessary for consideration of friction and strain-rate effects. An interesting aspect: stability (energy absorption capacity) of double-hull-structures is increasing while filled with foam. (orig.)SIGLEAvailable from TIB Hannover: F00B748 / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Bildung und Forschung (BMBF), Bonn (Germany)DEGerman

Ermittlung und Katalogisierung von Formzahlen fuer Ausschnitte, Kerben und Schweisskonstruktionen. T. 2 Formzahlkatalog. Abschlussbericht

This form factor catalog contains tables and diagrams for rectangular cuttings, for sectors of circles and ellipses, and for eccentric circular sections and rectangular cuttings. Sectional cuttings and the optimization of cuttings are discussed. (RHM)Der vorliegende Formzahlkatalog enthaelt Tabellen und Diagramme fuer Rechteckausschnitte, Kreisausschnitte, Elliptische Ausschnitte sowie Exzentrische Kreis- und Rechteckausschnitte. Abschliessend wird auf die Ausschnittoptimierung sowie den Profilfreischnitt eingegangen. (RHM)Available from TIB Hannover: F94B0598+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEBundesministerium fuer Forschung und Technologie (BMFT), Bonn (Germany)DEGerman

Life Cycle Design E 3. Untersuchungen zum Fertigungsstandard schiffbaulicher Schweisskonstruktionen

SIGLEAvailable from TIB Hannover: F00B959 / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Bildung und Forschung (BMBF), Bonn (Germany)DEGerman