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Online since: October 2013
Authors: Hu Qi, Yun Gui Li, Xi Lin Lu
Technical Center, Beijing 101320, China 2Institute of Structural Engineering and Disaster Reduction, Tongji University, Shanghai 200092, China aqihu_810@163.com, bliyungui@china.com, clxlst@mail.tongji.edu.cn Keywords: concrete, constitutive model; nonlinear analysis; super high-rise building.
Through the comparison between the calculation results of these models and experimental data, accuracy and computational efficiency of each model had been studied.
The development and Application of PKPM and ABAQUS structure model data interface, The second construction engineering Computer Application Innovation Forum, Shanghai, 2009.
Online since: September 2013
Authors: Guang Yong Yang, Guo Qing Hu, Bo Guo
The adaptive filter of LMS or RLS occupied with two-order statistics of Mean Square Error (MSE) criteria of cost function work well for a wide variety of application such as noise reduction, echo cancellation, pattern identification, and so on[3].
The data of 5 groups are acquired with the samples of different surface roughness and transparency, and are transmitted to PC via RS485 port.
Fig. 2 Simulation and experiment results: (a) data for simulation is accessed from AFE via RS485 bus, (b) test results of LDMS Conclusions The high order statistics recursive adaptive filter for scattered triangulation laser displacement sensor is introduced in this paper.
Online since: September 2016
Authors: Juha Hartikainen, Kari Kolari, Reijo Kouhia
Hence, the specific Gibb's free energy function describing the isothermal elastic behaviour of material with a reduction effect due to damage can be formulated as , (9) where u and E stand for Poisson's ratio and elastic modulus, respectively.
Experimental data from Ref. [8].
Result are compared to the experimental data in Ref. [8].
Online since: May 2014
Authors: Zhong De Shan, Rui Chen, Feng Liu
Pore diameter Mold filling time 1 mm 134 s 1.2 mm 133 s 1.5 mm 128 s 1.8 mm 124 s 2 mm 117 s The data in Table 1 show that the shortest molding time was 117 s when the micropore diameter was 2 mm.
The data in Figure 4 indicate a K of 0.0135 mD (was assumed as 1 cP), which is significantly greater than traditional permeability values for this system.
(In Chinese) [4] Zhongde Shan, Shaoyan Qin, Qian Liu, Feng Liu, Key Manufacturing Technology & Equipment on Energy Saving and Emissions Reduction in Mechanical Equipment Industry.
Online since: September 2015
Authors: Mohammed Manzoor Hussain, M.V. Kishore, D. Hanumantha Rao
Micro structural data was recorded at five different locations on each cut specimen.
Results and Discussions The following observations were recorded by collecting the data of samples obtained.
However when the stirring speed was increased to 1200 rpm, there was a reduction in these values indicating that the grains tend to coalesce with an increase in stirring speed.
Online since: July 2012
Authors: Guo Qiang Zhu, Qi Jun Wu, Chang Sheng Zhou, Xiong Chen
The stored data were processed and plotted to obtain the temporal scans and to measure the ignition and deflagration times using the leading edge of the laser pulse as the time reference.
In this study, the ignition delay times were considered in the data reduction: the first light emission times.
Online since: May 2011
Authors: Fu Shun Liu, Wei Ying Wang, Sha Sha Dong, Zhi Qiang Gao
Minas & Inman (1990)[2] have proposed a method for identifying the damping matrix of a structure from experimental data combined with a reasonable representation of the mass and stiffness matrices developed by finite element methods and reduced by standard model reduction techniques.
With higher order modal data , the accuracy of estimated damping matrix will be improved.
Online since: October 2010
Authors: Song Xue, Jie Zhou, Ying Qiang He
In recent years, different gauge TWBs are commonly used in automotive panels manufacturing to satisfy the demand of the automotive industry’s developing new cost effective methods to enhance the performance of the vehicle weight reduction and fuel economy.
Fig.1 Electronic universal testing machine Table 1 The main parameters of the test machine Test force precision Within ±0.5% of indicated value Test force calibration Automatic calibration :Grade 1 Displacement speed 5㎜/s Data recording Auto Tensile test specimens design The test sheet is the TWBs composed of BaoSteel H340LAD+Z and DP600 with different gauge thickness 1.7㎜/2.4㎜.
Table 3 The max value of tensile force and breaking strain index specimen 1 specimen 2 specimen 3 specimen 4 specimen 5 Max tensile force(KN) 14.398 7.003 9.449 9.278 9.623 Max breaking strain εmax 0.245 0.287 0.141 0.185 0.099 The diagraph and the test data indicated that the max tensile force of thicker base material DP600 is greater than the one of thin base material H340LAD+Z.The max tensile force test indicated that the tensile strength value of TWBs were between the higher strength base material and lower one when the tensile direction was vertical to the weld line.
Online since: December 2014
Authors: Sylma Carvalho Maestrelli, Fabio Ferraço, Walter Pomarico, Rodrigo Sampaio Fernandes, Beatriz Furquim Vry
Introduction The aluminum industry requires, among other materials, coal tar pitch and calcined petroleum coke for the production of carbon anodes that provides the electrolytic reduction of aluminum oxide.
The reliability and randomness of these data are certified by Figs. 4 and 5.
Fig.3: Packaging degree values obtained for Alfred and Andreasen equations Fig.4 and Fig.5 certify the reliability and randomness of the obtained data for the maximum density and packaging degree, respectively.
Online since: August 2013
Authors: Fu Xin Zhong, Peng Fei Yu, Yun Xia Jin, Zhong Yuan Cheng, Shun Hua Xiao, Ying Jiang
Numerous efforts, such as carbon coating, cations or anions doping, particle size reduction and synthesis methods optimization have been made to overcome these drawbacks [5-8].
Data sets for phase identification were collected using Cu Kα radiation.
Data was collected in a 2 θ range from 10 to 80 °at a step size of 0.02 ° for 0.45 s per step.
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