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Natural Frequency

Determinação numérica e experimental da frequência natural de vigas de concreto armado / Numerical and experimental determination of the natural frequency of armed concrete beams

Determinação numérica e experimental da frequência natural de vigas de concreto armado / Numerical and experimental determination of the natural frequency of armed concrete beams

... This article aimed to present some of the methodologies used in determining the natural frequency of structures. For that, a reinforced concrete biaped beam was chosen as the object of study. The study of ...

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Torsional natural frequency tuning by means of pneumatic flexible shaft couplings

Torsional natural frequency tuning by means of pneumatic flexible shaft couplings

... the natural frequencies in RPM by different pressures (100, 200 ...the frequency of torque harmonic is equal to natural frequency, a resonance ...

4

Lat. Am. j. solids struct.  vol.13 número3

Lat. Am. j. solids struct. vol.13 número3

... This paper investigates the vibration behavior of micro-resonators based on the strain gradient theory, a non-classical continuum the- ory capable of capturing the size effect appearing in micro-scale structures. The ...

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Investigation on Dynamic Analysis of VMC Bed using epoxy Composite

Investigation on Dynamic Analysis of VMC Bed using epoxy Composite

... the natural frequency of the bed, a desirable development that in effect tends to isolate the natural frequency further from the operating ...

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Lat. Am. j. solids struct.  vol.13 número8

Lat. Am. j. solids struct. vol.13 número8

... Nowadays, the damage severity evaluation in mechanical struc- tures is mostly performed by analyzing the natural frequency shift. The non-isotropic materials, as the multi-layered ones, are wide- spread in ...

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Lat. Am. j. solids struct.  vol.13 número2

Lat. Am. j. solids struct. vol.13 número2

... Despite the continuous advances in composites with embedded SMA fibers, there are still many unsolved challenges in the field of free vibration. Birman (1997) compared the effect of composite and SMA stiffeners on the ...

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Critical review of research paper for analysis of multi leaf spring

Critical review of research paper for analysis of multi leaf spring

... They found stiffness; natural frequency of composite leaf spring is higher than steel spring It is found that the life of composite leaf spring is much higher than that of steel leaf sp[r] ...

4

Lat. Am. j. solids struct.  vol.13 número1

Lat. Am. j. solids struct. vol.13 número1

... In present paper the vibration behavior of the cracked fluid-conveying pipe is examined via Euler- Bernoulli beam model focusing on natural frequency and critical flow velocity. Also, in order to have a ...

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Lat. Am. j. solids struct.  vol.7 número4

Lat. Am. j. solids struct. vol.7 número4

... system natural frequency corresponds to the excitation ...the natural vibration frequencies away from the excitation frequency or to change the position of the vibration ...

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Free vibration analysis of nano-tubes consisted of functionally graded bi-semi-tubes by a two-steps perturbation method

Free vibration analysis of nano-tubes consisted of functionally graded bi-semi-tubes by a two-steps perturbation method

... change natural frequency of tubes through altering ...the frequency of tubes to satisfy demands very well since dimension of tubes cannot be changed arbitrarily (Dohmann and Hartl, ...

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Lat. Am. j. solids struct.  vol.14 número5

Lat. Am. j. solids struct. vol.14 número5

... its natural frequen- ...in natural frequency for different types of boundary ...the natural frequency to reduce more; in other words, FGFR plates which are more independent from ...

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Lat. Am. j. solids struct.  vol.12 número7

Lat. Am. j. solids struct. vol.12 número7

... in frequency when q increased from 0 to 2 and the linear reduction occurs when q is increased from 2 to 10 as shown in Figure ...in frequency parameters due to the increase in power-law exponent is also ...

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Dynamic Vibration Analysis of Heavy Vehicle Truck Transmission Gearbox Housing Using FEA

Dynamic Vibration Analysis of Heavy Vehicle Truck Transmission Gearbox Housing Using FEA

... Automobile noise and vibration reduction is a continous progressive field and researchers have done various studies. A brief literature review has been conducted. Jiri Tuma [1] has studied the noise and vibration of ...

7

Lat. Am. j. solids struct.  vol.10 número2

Lat. Am. j. solids struct. vol.10 número2

... same natural frequency, the critical speed for moving mass problem is smaller than that of the moving force problem for all variants of classical boundary condi- tions, and as rotatory inertia correction ...

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Numeracy, frequency, and Bayesian reasoning

Numeracy, frequency, and Bayesian reasoning

... the frequency format that makes clear which numbers to include in the conditional probability com- putation, whereas, low numerates may lack a firm un- derstanding of conditional ...the frequency format ...

7

Lat. Am. j. solids struct.  vol.13 número8

Lat. Am. j. solids struct. vol.13 número8

... In Table 2, the result of first dimensionless fundamental natural frequency parameter…. Should read:[r] ...

2

Shape Memory Alloys

Shape Memory Alloys

... position, natural frequency, and other mechanical characteristics in response to temperature or electromagnetic fields" The potential uses for SMAs especially as actuators have broadened the spectrum of ...

3

FEEDING FREQUENCY IN PACAMÃ LARVICULTURE1

FEEDING FREQUENCY IN PACAMÃ LARVICULTURE1

... feeding frequency to be adopted during larviculture have never been ...feeding frequency should be well assessed to optimise the laboratory tasks (LUZ; PORTELLA, 2005) and to improve the growth and survival ...

7

Device for Monitoring - Warning Frequency Generator

Device for Monitoring - Warning Frequency Generator

... and frequency, the voltage changes are of a local property, and change the frequency – ...systematic. Frequency deviation in the grid due to an imbalance in power between the generator and the load ...

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Frequency of MELAS main mutation

Frequency of MELAS main mutation

... Testing for the main MELAS mutation in a fairly young stroke population selected on the basis of specific pheno- typic features that are suggestive for mitochondrial disease led to posit[r] ...

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