نتایج جستجو برای: dynamic equivalent part

تعداد نتایج: 1148938  

Journal: :IEEE Transactions on Instrumentation and Measurement 2007

The purpose of this paper is to present a new type of dynamic balancing system, having a driving solution of the rotating part based on magnetic interactions. The magnetic system also plays the role of an elastic bearing. In the first part of the article is presented the technical solution which allows the dynamic balancing evaluation depending on the radial displacement between two disks with ...

Journal: :journal of applied and computational mechanics 0
mohammd sharif zarei faculty of engineering, ayatollah boroujerdi university, boroujerd, iran mohammad hadi hajmohammad department of mechanical engineering, imam hossein university, tehran, iran ali nouri department of mechanical engineering, imam hossein university, tehran, iran

in this study, dynamic buckling of embedded laminated nanocomposite plates is investigated. the plates are reinforced with single-walled carbon nanotubes (swcnts) where to obtain the equivalent material properties of them, mori-tanaka model is applied. based on the sinusoidal shear deformation theory (ssdt), the motion equations are derived using energy method and hamilton's principal. the...

Seyed Amirodin Sadrnejad,

A finite element solution based on equevalent elements is proposed for the static and dynamic analysis of tallhigh tensioned cable antennas. To reduce high number of degrees of freedom in space frame body of a structure, a simple equivalent beam element is defined for each simulative substructure. This numerical procedure is applicable to analyze complex three dimensional assemblies of substruc...

1998
Mario G. Perhinschi

The purpose of this paper is to present the development of a simple turbulence representation suitable for helicopter dynamic simulation, stability and performance analysis, as well as pilot-in-the-loop rotorcraft handling qualities assessment. The frozen field hypothesis and linear approximation are assumed. Components of the uniform field velocity are included as additive perturbations affect...

Z. Piravi Vanak

The issue of the integrity of edible oils and fats can be considered in three main areas of safety, authenticity and quality in accordance with the standardization approach. Safety is the most essential part of the food, including edible oils, due to effects on health of consumers. Authenticity equivalent to purity is also an important aspect of this approach. The nature and prevention of fraud...

Journal: :روش های عددی در مهندسی (استقلال) 0
محمدرضا بهبهانی فرد m. r. behbahanifard محمدمهدی سعادتپور m.m. saadatpour

a frequency domain dynamic analysis is needed to obtain the response of structures constructed on a system of base isolators on flexible soil when subjected to earthquake ground motion. in such systems, the lateral stiffness of the base isolators is so small, compared to the structural stiffness, that in an earthquake attack the fundamental vibration mode dominates the response. with this in mi...

2007
Paul Reuter Yu Huang

This paper investigates a method of using equivalent fault metrics to optimize N-detect scan ATPG patterns. The introduction goes over the motivation for using N-detect scan patterns and why dynamic N-detect patterns are useful. The next section discusses what equivalent fault metrics are and why equivalent fault metrics might apply to dynamic Ndetect scan patterns selection. We then present ex...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1391

this research is about the political economy of china in central asia. in this research the political & economic interactions affected on chinas political economy in central asia are examined. chinas goal of presence in central asia including political-security, economic and energy goals is described in one part. in another part, the trade relations between china and central asian countries ar...

2012
Mark H. Bickhard

The CNS is endogenously and concurrently active, with primary functional relations being those of oscillatory processes that modulate each other in multifarious ways. One crucial aspect of these processes is that of a kind of set-up of dynamic spaces that regulate other processes within those spaces. Such ‘microgenesis’ of dynamic spaces occurs locally in cortex within differentiations of large...

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