Issues in parachute structural modeling - Damping and wrinkling

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[唯一标识符]:CDSTIC.AIAA.1999-1729
[文献来源]:美国航空航天学会会议(AIAA)
[文献类型]:科技会议
[标题]:Issues in parachute structural modeling - Damping and wrinkling
[作者]:Accorsi, Michael L.(Connecticut, Univ., Storrs); Lu, Kun(Connecticut, Univ., Storrs); Leonard, John W.(Connecticut, Univ., Storrs); Benney, Richard(U.S. Army, Soldier and Biological Chemical Command, Natick, MA); Stein, Keith(U.S. Army, Soldier and B
[出版单位]:美国航空航天局
[文摘]:This work focuses on techniques to include damping and wrinkling in a structural finite element model for parachute dynamics. Due to the highly unstable nature of parachute opening, it is desirable to include some form of damping to stabilize the numerica
[关键词]:PARACHUTES; VIBRATION DAMPING; WRINKLING; DYNAMIC MODELS; FINITE ELEMENT METHOD; PARACHUTE FABRICS; SYSTEMS STABILITY; COMPUTATIONAL FLUID DYNAMICS
[出版时间]:1999
[出版年份]:1999
[报告号]:;A99-30946;AIAA Paper 99-1729
[会议名称]:CEAS/AIAA Aerodynamic Decelerator Systems Technology Conference, 15th, Toulouse, France, June 8-11, 1999
[会议信息]:1999
[馆藏索取号]:A99-30946
[总页数]:12


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[唯一标识符]:CDSITC.CANADADR.128591
[文献来源]:加拿大发展研究报告(CanadaDRS)
[文献类型]:科技报告
[资源原始索取号]:93-03613
[标题]:SPEEDING UP COMMUNICATIONS IN LARGE PARALLEL SYSTEMS IN A ULSI CONTEXT
[作者]:Audet, D.; Savaria, Y.; Arel, N.
[机构]:Quebec Univ, Chicoutimi QUE (CAN) Computer Engineering Dept;Ecole Polytechnique, Montreal QUE (CAN)
[出版单位]:Defense R&D Department Canada
[文摘]:A simple and very effective solution to the delay incurred while propagating signals through long interconnection wires (such as those found in large parallel systems) is presented. The basic idea of the technique relies on the fragmentation of the wires and in reconnecting them with a special device in order to form a bidirectional pipeline. A method for determining the optimum configuration of the pipeline is presented. It is shown that, for a 10cm 8-bit bus implemented in a 1,2 mu m CMOS tech
[出版时间]:01 Jan 1992
[出版年份]:1992
[页码]:19
[总页数]:0
[唯一标识符]:CDSTIC.ISTP.1566160
[文献来源]:科学技术会议录索引(ISTP)
[文献类型]:科技会议
[标题]:Retention and Expression of Recombinant Plasmids in Suspended and Biofilm-Bound Bacteria Degrading Trichloroethene (Tce)
[作者]:JD Bryers;RR Sharp
[出版单位]:I W a PublishingLondon
[ISSN_ISBN]:0273-1223
[会议名称]:International Conference on Environmental Biotechnology,Palmerston North, New Zealand,September 1-4, 1996
[来源]:WATER SCIENCE AND TECHNOLOGY,pp 1-8
[主办单位]:Int Assoc Water Qual;Int Union Pure & Appl Chem;Massey Univ;New Zealand Comm Water Qual;New Zealand Water & Wastes Assoc
[地址]:JD Bryers,Montana_State_Univ, Ctr Biofilm Engn, Bozeman, MT 59717 USA
[专业领域]:Water Resources,Environmental Sciences,Engineering, Civil