Results 21 to 30 of about 118,410 (313)

Dynamic Inversion Analysis of Structural Layer Modulus of Semirigid Base Pavement considering the Influence of Temperature and Humidity

open access: yesAdvances in Civil Engineering, 2020
This paper is aimed to solve the overlearning problem of the neural network algorithm used to calculate the asphalt concrete pavement structural modulus in reverse.
Bei Zhang   +5 more
doaj   +1 more source

Coefficients of multiple Fourier-Haar series and variational modulus of continuity

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2023
In this paper, we introduce the concept of a variational modulus of continuity for functions of several variables, give an estimate for the sum of the coefficients of a multiple Fourier-Haar series in terms of the variational modulus of continuity, and ...
T.B. Akhazhanov   +3 more
doaj   +1 more source

Test method of Poisson's ratio for low modulus elastomer

open access: yesZhongguo Jianchuan Yanjiu, 2018
[Objective] There are many problems in the axial load of low modulus and high elasticity samples, such as large deformation and poor uniformity, and it is difficult to accurately measure the Poisson's ratio of such material using the conventional ...
ZHOU Jun   +3 more
doaj   +1 more source

Analysis of Using the Empirical Model of Organic Soil Consolidation to Predict Settlement

open access: yesArchitecture, Civil Engineering, Environment, 2023
The paper describes two models for determining the constrained elasticity modulus of organic soils based on the settlement of an overloading embankment. In these methods, based on the settlement of the embankment of the load exerted on the subsoil, using
Meyer Zygmunt, Olszewska Magdalena
doaj   +1 more source

Evaluation of elastic modulus of carbon fiber reinforced polymers using an optical extensometer [PDF]

open access: yes, 2020
The paper presents the results of application of different techniques for processing of digital image correlation data. The algorithms are described and applied for determination of elasticity modulus of carbon fiber reinforced polymer specimens tested ...
Eremin, Alexandr Vyacheslavovich   +2 more
core   +1 more source

Estimation of the Longitudinal Elasticity Modulus of Braided Synthetic Fiber Rope Utilizing Classical Laminate Theory with the Unit N/tex

open access: yesApplied Sciences, 2018
This paper uses classical laminate theory (CLT) and experimental methods to predict the longitudinal specific modulus of braided high modulus polyethylene (HMPE) rope without a matrix. When applying conventional CLT, the modulus, braided angle of strand,
Vannei Sry   +4 more
doaj   +1 more source

Selective Penetration and Profile Control Performance of Preformed Particle Gels for Heterogeneous Oil Reservoirs

open access: yesGels, 2022
The preformed particle gel (PPG) has been proved to be an effective chemical agent to reduce fluid channeling and increase the sweeping efficiency. However, we still lack a clear understanding of the field-scale matching relationship between PPG size ...
Kang Zhou   +3 more
doaj   +1 more source

Noninvasive in Vivo Study of the Morphology and Mechanical Properties of Plantar Fascia Based on Ultrasound

open access: yesIEEE Access, 2019
The overall distributions of the plantar fascia thickness and Young's modulus in the ten subjects were systematically investigated in this paper using two-dimensional ultrasound and shear wave elastography (SWE). The statistical analyses showed that ICC1,
Kunyang Wang   +5 more
doaj   +1 more source

Uncertainty in the determination of elastic modulus by tensile testing

open access: yesEngineering Science and Technology, an International Journal, 2022
The paper presents the results of theoretical and experimental research related to the uncertainty in the elastic modulus measurement on different types of tensile testing devices and their comparison.
Sonja Kostic   +4 more
doaj   +1 more source

Permeability and dynamic elastic moduli of controlled porosity ultra-precision aerostatic structures [PDF]

open access: yes, 2014
Porous ceramic aerostatic bearings enable precise and smooth motion and improved stiffness compared with widely used orifice restrictor bearings. However, the processing techniques so far used are too complex or rely in lowering the sintering temperature
Corbett, John   +2 more
core   +1 more source

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