Validation of the Internal Blast Response Model DAMINEX With the Finite Element Method. Progress report 1. Demonstration of the Capabilities of the Finite Element Code ABAQUS (Validatie van het Interne Blast model DAMINEX met de Eindige Elementen Methode. Voortgangsrapport 1. Demonstratie van de Mogelijkheden van de Eindige Elementen Code ABAQUS).
PRINS MAURITS LABORATORIUM TNO RIJSWIJK (NETHERLANDS)
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At the request of the Royal Netherlands Navy RNLN, numerical calculations on blast-loaded ship bulk-heads were performed with the finite element code ABAQUS. These calculations are a first phase in a more extended investigation to validate and improve a simple structural response model, DAMINEX, for these panels. In this first phase, it will be demonstrated that ABAQUS is able to perform this type of calculation. This is done by simulating an ideally suited experiment a prototype ship panel, loaded by a simulated nuclear blast. In this experiment, performed by the Canadian Defence Research Establishment Suffield, load and response are carefully measured and material properties are well analysed. Simulation results obtained with another finite element code, ADINA, are also available in the literature. The calculated ABAQUS results correspond closely with the measured results and with the ADINA results. A second ABAQUS simulation was performed of a live-firing experiment in a decommisioned RNLN frigate. In the latter case, load, response and boundary conditions are not as well defined as in the first case. It was demonstrated that even in this situation it is possible to obtain reasonable results. So ABAQUS will be a powerful tool evaluating and improving the DAMINEX model.
- Computer Programming and Software
- Marine Engineering