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130篇 您的检索式:作者名="Gard D"
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1Experimental and numerical study of the fragmentation of expanding warhead casings by using different numerical codes and solution techniques显示文摘There has been increasing interest in numerical simulations of fragmentation of expanding warheads in 3D.Accordingly there is a pressure on developers of leading commercial codes,such as LS-DYNA.AUTODYN and IMPETUS Afea.to implement the reliable fracture models and the efficient solution techniques.The applicability of the Johnson—Cook strength and fracture model is evaluated by comparing the fracture behaviour of an expanding steel casing of a warhead with experiments.The numerical codes and different numerical solution techniques,such as Eulerian,Lagrangian.Smooth particle hydrodynamics(SPH).and the corpuscular models recently implemented in IMPETUS Afea are compared.For the same solution techniques and material models we find that the codes give similar results.The SPH technique and the corpuscular technique are superior to the Eulerian technique and the Lagrangian technique(with erosion) when it is applied to materials that have fluid like behaviour such as the explosive and the tracer.The Eulerian technique gives much larger calculation time and both the Lagrangian and Eulerian techniques seem to give less agreement with our measurements.To more correctly simulate the fracture behaviours of the expanding steel casing,we applied that ductility decreases with strain rate.The phenomena may be explained by the realization of adiabatic shear bands.An implemented node splitting algorithm in IMPETUS Afea seems very promising.John F.MOXNES Anne K.PRYTZ Фyvind FRФYLAND Siri KLOKKEHAUG Stian SKRIUDALEN Eva FRIIS Jan A.TELAND Cato DФRUM Gard ФDEGARDSTUEN 2014Defence Technology(防务技术)2014,10,2:12
2ITS primer with enhanced specificity for basidiomycetes : application to the identification of mycorrbizae and rusts 显示文摘Gardes M Bruns T D 1993Mol Ecol1993,2,:1
3A High Index of Suspicion: The Key to an Early Diagnosis of Wilson’s Disease in Childhood显示文摘Icíar Sánchez-Albisua Teresa Garde Loreto Hierro Carmen Camarena Esteban Frauca Angela de la Vega María Carmen Díaz Javier Larrauri Paloma Jara 1999Journal of Pediatric Gastroenterology & Nutrition1999,,2:1
4Real-TimeAnalysis of Individual Atmospheric Aerosol Particles ;Design and Performance of a Portable ATOFMS 显示文摘Gard E Mayer J E Morrical B D 1997Analytical Chemistry1997,69,:1
5High-resolution meas- urement of stimulated Brillouin scattering spectra in sin- gle-mode fibres 显示文摘Loayssa A Benito D Garde M J 2001lEE Proceedings-Optoelectronics2001,148,3:1
6ITS primers with enhanced specificity of basidiomycetes: application to the identification of mycorrhizae and rusts 显示文摘GARDES M BRUNS T D 1993Mol Ecol1993,2,:1
7ITS primers with enhanced specificity for basidiomycetes - application to identification of mycorrhizae and rusts 显示文摘GARDES M BRUNS T D 1993Molecular Ecology1993,2,2:1
8Primary oral sequamous cell carcinoma a review of 92 cases 显示文摘Oliver A J Helfrick JF Gard D 1996Joral Maxillofac Surg1996,54,8:1
9Tau interacts with srcfamily non-receptor tyrosine kinases显示文摘 NEWMAN S T GARD D L 1998J Cell Sci1998,111,:1
10Directobservation of heterogeneous chemistry in theatmosphere 显示文摘Gard E E Kleeman M J Gross D S 1998Science1998,279,:1
11ITS primers with en-hanced specificity for basidiomycetes applicationto the identification of mycorrhizae adnrusts显示文摘Gardes M Bruns T D 1993MolEcol1993,2,2:1
12ITS Primers with enhanced speci- ficity for basidiomycetes-application to the identification of mycorrhi:ae and rusts 显示文摘GARDES M BRUNS T D 1993Molecular Ecology1993,2,2:1
13Primary oral squamous cell carcinoma: a review of 92 cases显示文摘 1996J Oral Maxillofac Surg,1996,54,:1
14Real-time analysis of individual atmospheric aerosol particles:Design and performance of a portable ATOFMS显示文摘GARD E MAYER J E MORRICAL B D 1997Anal Chem1997,69,20:1
15ITS primer with enhanced spe- cificity for bas idiomycetes: Application to the identification of mycorrhizae and rusts 显示文摘Gardes M Bruns T D 1993Mol Ecol1993,2,5:1
16Primary oral squamous cell carcinoma: a review of 92 cases显示文摘Oliver AJ Helfrick JF Gard D 1996J Oral Maxillofac Surg1996,54,:1
17ITS primer with enhanced specificity for basidiomycetes:Application to the identification of myeorrhizae and rusts显示文摘Gardes M Bruns T D 1993Mol Ecol1993,2,:1
18Case-based,problem-based learning Information literacy for the real world显示文摘Garded L Willingham P Bibb D 0,,03:1
19Production of volatile com- pounds in the fermentation of Chardonnay musts inoculated with two strains of Saccharomyces cerevisiae with different nitrogen demands显示文摘TORREA D FRAILE P GARDE T 2003Food Control2003,14,8:1
20Applications of optical carrier Brillouin processing to microwave photonics显示文摘LOAYSSA A BENITO D GARDE M 2002Optical Fiber Technology2002,8,1:1
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