نتایج جستجو برای: spring method

تعداد نتایج: 1676347  

2001
Xuejun Liu Jiro Tanaka

This paper proposes a modified spring modeling algorithm for drawing undirected graphs, that is an extension of the forceddirected placement method of spring modeling algorithm by Eades. We call it dynamic parameter spring modeling algorithm. This algorithm is not only a general algorithm for graph layout, but also it is more suitable to get a semi-stable graph layout. A semi-stable layout is a...

2012
SUN Kui zhou FENG Hu tian ZHOU Jin yu

According to the spring’s failures in the tools storage and mechnical tools locking, the thesis will discuss the reliability optimization design for spring. With the known probability characteristics of basic random parameters, the random perturbation method, the reliability theory and optimal design technology are used to give the spring reliability design problems in locking knife spring in t...

Journal: :The Review of scientific instruments 2015
John E Sader James R Friend

Overall precision of the simplified calibration method in J. E. Sader et al., Rev. Sci. Instrum. 83, 103705 (2012), Sec. III D, is dominated by the spring constant of the reference cantilever. The question arises: How does one take measurements from multiple reference cantilevers, and combine these results, to improve uncertainty of the reference cantilever's spring constant and hence the overa...

2009
NA McKeag VN Kodoth AJ Tomlin SL Fairley MJ Daly AAJ Adgey JJ McKinley E Mawhinney M Watt I Rennie MT McCormick JA Purvis SM Hughes AS Lewis T Rea AB Atkinson PM Bell CH Courtney DR McCance K Mullan SJ Hunter Wallace Dinsmore Michael G Wyllie Patricia Heath LJ Dixon EC Hodkinson J Shand DJ Flannery DJ McEneaney IBA Menown AJ McClelland SJ Walsh

81st (Spring) Meeting of Ulster Society of Internal Medicine, Friday 15th May 2009 Medical Education Centre, Craigavon Hospital, Portadown

2000
Sean A. Bailey Jorge G. Cham Mark R. Cutkosky Robert J. Full

We describe the locomotion dynamics of a biomimetic robot and compare them with those of its exemplar: the cockroach. The robot is a small (0.275kg) hexapod created using a layered manufacturing technique that allows us to tailor the compliance and damping of the limbs to achieve passive stabilization similar to that observed in insects. The robot runs at over 3 body-lengths per second (55 cm/s...

2002
Pippa Norris

In this study, it is theorized that party websites play a distinctive role in two regards: (i) they function as a pluralistic civic forum by facilitating the voice of oppositional challengers and increasing the visibility of minor and fringe parties, so that attentive citizens can learn more about the range of electoral choices; (ii) in addition, party websites function as a channel for politic...

2014
Shannon M. Notley Simon Biggs Vincent S. J. Craig

Articles you may be interested in Adhesive-free colloidal probes for nanoscale force measurements: Production and characterization Rev. Improved in situ spring constant calibration for colloidal probe atomic force microscopy Rev. Accurate noncontact calibration of colloidal probe sensitivities in atomic force microscopy Rev. A calibration method for lateral forces for use with colloidal probe f...

Journal: :Blood 1991
G L Kropp S Fucharoen S H Embury

Hemoglobin (Hb) Constant Spring is an alpha-thalassemic hemoglobinopathy that is a major cause of severe alpha-thalassemia in Southeast Asians. The difficulty of diagnosing Hb Constant Spring using standard electrophoretic methods has led to interest in DNA-dependent diagnostic methods. The methods developed have had to contend with the high degree of homology of the alpha 2-globin gene (the si...

Journal: :journal of computational applied mechanics 0
hosein mohammadi ms graduate, department of mechanical engineering, university of tehran, tehran, iran masoud sharififar department of metallurgy and material engineering, malek-ashtar university of technology, tehran, iran ali asghar ataee assistant professor, school of mechanical engineering, university of tehran, tehran, iran

the incremental sheet metal forming (ismf) process is a new and flexible method that is well suited for small batch production or prototyping. this paper studies the use of the finite element method in the incremental forming process of aa1050 sheets to investigate the influence of tool diameter, vertical step size, and friction coefficient on forming force, spring-back, and thickness distribut...

2007
J. Becedas

In this paper we describe a procedure for parameters identification using an algebraic identification method for a continuous time constant linear system. We make a specific application in the determination of the parameters mass-spring-damper system. The method is suitable for simultaneously identifying, both, the spring constant and the damping coefficient. It is found that the proposed metho...

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