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However, with the aid of numerical software of mechanics analysis can predict evaluation of effect. 1.FLAC3D Introduction FLAC3D numerical simulation software is based on the finite difference method developed for the civil construction, transportation, mining, water conservancy, geology, nuclear waste disposal, petroleum and environmental engineering industries such as universal software system, by the United States of Itascal International Consulting Group's core products produced .FLAC3D using on has the following characteristics[1]: (1) operation mode is dual, which can be the operation of the various commands from the keyboard input control software; Can also be ordered as stream file by file to the operation of the control software. (2) the software built-in rich elastic, plastic material constitutive model, the static, dynamic, seepage, temperature, creep, 5 kinds of calculating model, mutual coupling between the various models, to simulate all kinds of complicated engineering
After a pre-project survey and laboratory analysis checking, concluded that the goaf unstable by pillar, roof basically stable, the overall instability of the conclusion. 3.TaoLaoWuSu coal mine goaf pillar model and material parameters TaoLaoWuSu most coal mine goaf coal pillar in mining 10 m stay 4 m this way.
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This work is funded by National Natural Science Foundation of China (No.11172327).
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The material properties of the dam and dam abutment rock mechanical parameters will change with the passage of time.
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Materials and methods Liquid-smoked Tilapia fillets were made in laboratory with fumeol(Red arrow, USA), then vacuum packed, 50 packages (120g Tilapia fillet, per package) were stored at 25℃.
Acknowlegement This work was supported by Guangxi Education department Program of 2011(201106LX525) and Special Promotion of Guangdong Marine Fishery Science and Technology (A201101F02).
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In the experiment the robot has accomplished soft grabbing by modeling human hand action and applied appropriate grabbing force on objects of different weights or material by means of the control algorithm.
Collaborators and sponsored projects are acknowledged here: Guizhou Province Science and Technology Fund ( [ 2009] 2117 ); Guizhou Province Science and Technology Fund ( [2011] 2202 ).
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Fiber impregnation of the preform with matrix materials between each layer was observed using an optical microscope(Olympus Corp.; LEXT OLS4100).
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China; 2College of Materials Science and Engineering, Chongqing University, Chongqing, P.R.
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Gajjar, Head of physics department, school of sciences, Gujarat University, Ahmedabad for his constant encouragement.
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Sadowski, "A Review on Friction Stir Welding/Processing: Numerical Modeling," Materials, vol. 16, 2023
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After nearly 20 years, 3D printing technology has made great progress and it has been improved in printing materials, precision, and speed and so on.
Now there are abundant materials that can be printed out.
Materials for biological cell can print organs and bones out; buildings can be printed out by sand; with glass as the material can print out glass product; mechanical parts can be printed out by metal materials and so on[1].
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