|
|
|
|
|
José Luis Olazagoitia, Jesus Angel Perez and Francisco Badea
Accurate modeling of tire characteristics is one of the most challenging tasks. Many mathematical models can be used to fit measured data. Identification of the parameters of these models usually relies on least squares optimization techniques. Different...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shijie Ma, Liang Fan, Tao Ma, Zhao Dong, Yuzhen Zhang and Xiaomeng Zhang
Using an AMPT tester and based on laboratory tests, this paper performed a comparative study on the dynamic characteristics of different asphalt mixtures, analyzed the influence of different asphalt binders on the characteristic parameters of the dynamic...
ver más
|
|
|
|
|
|
|
|
|
|
|
R. B. Randall,Grover Zurita,T. Wardrop
The main objective of this paper is to perform a comparison of several curve-fitting methods for extraction of the modal parameters from response vibration measurements, and in particular the best damping estimates. Measurements were carried out on a ste...
ver más
|
|
|
|
|
|
|
|
|
|
|
Alejandro Molina, Manuel R. Piña-Monarrez and Jesús M. Barraza-Contreras
In this paper a Weibull methodology to determine the probabilistic percentiles for the S-N curve of the A572 Gr. 50 steel is formulated. The given Weibull/S-N formulation is based on the true stress and true strain values, which are both determined from ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Akram Seifi, Soudabeh Golestani Kermani, Amir Mosavi and Fatemeh Soroush
Quantitatively analyzing models? uncertainty is essential for agricultural models due to the effect of inputs parameters and processes on increasing models? uncertainties. The main aim of the current study was to explore the influence of input parameter ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Alireza R. Amiri-Simkooei, Leo Koop, Karin J. van der Reijden, Mirjam Snellen and Dick G. Simons
Seafloor characterization using multibeam echosounder (MBES) backscatter data is an active field of research. The observed backscatter curve (OBC) is used in an inversion algorithm with available physics-based models to determine the seafloor geoacoustic...
ver más
|
|
|
|
|
|
|
|
|
|
|
M. B. Kurhan,D. M. Kurhan,S. Y. Baidak,N. P. Khmelevska
Pág. 77 - 86
|
|
|
|
|
|
|
|
|
|
|
A. Y. Kuzyshyn
Pág. 32 - 44
Purpose. When locomotives move in curved sections of the railway track, horizontal forces arise, which lead to pressing the ridge of the wheel pair to the railway track. The article is aimed to develop a method for determining the frame force acting on t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Claudia Sangüesa, Roberto Pizarro, Ben Ingram, Alfredo Ibáñez, Diego Rivera, Pablo García-Chevesich, Juan Pino, Felipe Pérez, Francisco Balocchi and Francisco Peña
Estimating intensity-duration-frequency (IDF) curves requires local historical information of precipitation intensity. When such information is unavailable, as in areas without rain gauges, it is necessary to consider other methods to estimate curve para...
ver más
|
|
|
|
|
|
|
|
|
|
|
Roberto Dima, Giovanni Buonanno, Sandra Costanzo and Raffaele Solimene
Curve-fitting means the determination of the set of parameters that best fit the input data set as expressed by a given function that is usually non-linear. The paper addresses the curve fitting of Debye and Cole?Cole models to a dielectric permittivity ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gillo Giuliano and Wilma Polini
This work proposes a simple procedure to characterize 1.0 mm thick sheets of superplastic magnesium alloy AZ31. The simplest mathematical function that models the behavior of a superplastic material is a power law between stress and strain rate with two ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pedro Mauricio Acosta-Castellanos, Yuddy Alejandra Castro Ortegón and Nestor Rafael Perico Granados
Intensity, duration and frequency (IDF) curves are necessary tools for the design and construction of hydraulic projects. However, the pluviographic records needed to determine the IDF curves do not exist or are scarce. This research presents the regiona...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yunlong Cao, Yao Yu, Zhong Tang, Yunfei Zhao, Xinyang Gu, Sifan Liu and Shuren Chen
During the harvesting of cut-stem vegetables, the structural parameters of cutters have an important influence on the harvesting effect. Structural parameters of stalks directly affect the cutting effect of the cutter. The thickness of the stalk xylem ha...
ver más
|
|
|
|
|
|
|
|
|
|
|
Weiwen Luo, Xulei Chen, Mingyang Qin, Kai Guo, Jie Ling, Fengwei Gu and Zhichao Hu
When wide-width sowing wheat after rice stubble (WRS) in a rice-wheat rotation area, there is a problem of poor uniform of seed distribution. To solve the problem, this study designed the seed distribution plate (SDP) structure and optimized its critical...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qin Rong, Zhonghui Zhao, Xiaomeng Hou and Zhizhong Jiang
Reactive power concrete (RPC) possesses high compressive strength, toughness, and durability, and it is increasingly being used in important buildings. The column is an important load-bearing member of a building, and its failure under blast loading resu...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaochen Yu, Jingsheng Zhai, Bo Zou, Qi Shao and Guangchao Hou
The modern discrimination of sediment is based on acoustic intensity (backscatter) information from high-resolution multibeam echo-sounder systems (MBES). The backscattering intensity, varying with the angle of incidence, reveals the characteristics of s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yu Chen, Xiaoqing Ji and Zhongyong Zhao
The accurate establishment of the equivalent circuit model of the synchronous machine windings? broadband characteristics is the basis for the study of high-frequency machine problems, such as winding fault diagnosis and electromagnetic interference pred...
ver más
|
|
|
|
|
|
|
|
|
|
|
Navid Moslemi, Mohsen Gol Zardian, Amran Ayob, Norizah Redzuan and Sehun Rhee
Ratcheting failure of materials and structures subjected to low cycle fatigue in the presence of significant mean stress is of great interest to researchers. In this experimental and numerical study, the response of 316L stainless steel samples was obser...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jeisson Vélez-Sánchez, Juan David Bastidas-Rodríguez, Carlos Andrés Ramos-Paja, Daniel González Montoya and Luz Adriana Trejos-Grisales
Bypass diodes (BDs) present in photovoltaic (PV) modules are represented by the exponential model, which requires two parameters: the inverse-saturation current (
|
|
|
|
|
|
|
|
|
|
|
Hailong Wei, Zhanfei Gu, Zhikui Liu, Yipeng Wang and Yansong Shi
In order to explore the creep characteristics of red clay under different pressures, the stress?strain curve and stress?strain?time curve of red clay under different pressures were obtained, and the triaxial shear and creep characteristics of red clay un...
ver más
|
|
|
|
|
|