CREEP FAILURE ANALYSIS OF THERMAL RECOVERY WELLHEAD by CAO XuXiang, YAN TingJun, WANG TingYi, LI Feng

“…The test results were fitted and the parameters of the combined time hardening model were obtained.It is verified by short-term experiments that the error between the calculated value of the combined time hardening model and the test value is less than 15%.Using ANSYS Workbench,the creep failure process of the main pressure parts of the thermal recovery wellhead under constant temperature and load condition and intermittent load condition are simulated,and the failure time of the main pressure parts under two conditions is obtained,which is of great significance to the service life evaluation of the thermal recovery wellhead.…”
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Some Properties on Estrada Index of Folded Hypercubes Networks by Jia-Bao Liu, Xiang-Feng Pan, Jinde Cao

“…In this paper, we establish the explicit formulae for calculating the Estrada index of the folded hypercubes networks FQn by deducing the characteristic polynomial of the adjacency matrix in spectral graph theory. …”
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A Performance Analysis Model for Corporate Human Resource Management Based on Extenics Theory by Mingyan Li, Tiantian Gao, Jianxue Wang, Huanyu Wang

“…Next, the fuzzy closeness of corporate HRMPA was calculated based on fuzzy theory, and the extenics correlation coefficient of corporate HRMPA was computed with the aid of the extenics theory. …”
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Investigation of wear resistance of polymer-coated radial bearing running on micropolar lubricant by V. I. Kirishchieva, M. A. Mukutadze

“…The results of numerical analysis of the obtained theoretical calculation models and experimental evaluation of the proposed design are also presented in order to verify and confirm the effectiveness of the obtained theoretical models.…”
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A Dynamic Dual Fixed-Point Arithmetic Architecture for FPGAs by G. Alonzo Vera, Marios Pattichis, James Lyke

“…Scientific computations in particular, usually require highly accurate calculations and are computing intensive. In this context, a designer is left with the task of implementing several arithmetic cores for parallel processing while supporting high numerical precision with finite logical resources. …”
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A New Quasi-Human Algorithm for Solving the Packing Problem of Unit Equilateral Triangles by Ruimin Wang, Xiaozhuo Qi, Yuqiang Luo, Jianqiang Dong

“…Time complexity analysis and the calculation results indicate that the proposed method is a polynomial time algorithm, which provides the possibility to solve the packing problem of arbitrary triangles.…”
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A hybrid singular value thresholding algorithm with diagonal-modify for low-rank matrix recovery by Ruiping Wen, Liang Zhang, Yalei Pei

“…Finally, numerical experiments shown that the new algorithm greatly improved the solving efficiency of a matrix recovery problem and saved the calculation cost, and its effect was obviously better than that of the other algorithms mentioned in experiments.…”
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RESEARCH ON NUMERICAL SIMULATION OF STRESS DISTRIBUTION OF ANTI-TWIST BRAIDED WIRE ROPE by FU Chao, WANG Hui, CUI WeiHua, XU HongQin, ZHAO Xia

“…Friction coefficients were set as different parameters to obtain the influence law of friction coefficients on strand stresses deformation. The calculation results of strand with five different pitch were analyzed and the influence law of pitch on the strand was obtained.…”
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Analysis of Torsional Vibration Mechanics and Sensitivity for Planar Sinusoidal Steel Ball Transmission Mechanism by Ning Linfei, Zhang Si, Li Meiqiu, Luo Jingbo, Shi Yinghua

“…Based on the undamped free vibration equation，the natural frequency and modal modes of the system are calculated. The sensitivity of the natural frequency of the system to the inertia and stiffness parameters is analyzed by the partial derivative method，and the structural parameters which have significant influence on the natural frequencies of the system are concluded. …”
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Train Moving Load-Induced Vertical Superimposed Stress at Ballasted Railway Tracks by Heng Wang, Ling-Ling Zeng, Xia Bian, Zhen-Shun Hong

“…The proposed method is validated by comparing with the field measurements compiled from the literature with the calculated value. It is found that the prediction accuracy of the proposed method is within ±10%, in comparison with field measurements. …”
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The Relationship between Cementitious Composition and Properties of Ultrahigh Strength Concrete by Dehui Wang, Zhiwen Zhang

“…The relationships between cement, silica fume, and fly ash and the properties of UHSC were calculated based on the simple-centroid design method.…”
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Etude expérimentale et théorique d’un nouveau composé halogène pnicture Hg$_{12}$Sb$_6 ($Br$_{5,186}$I$_{6,814})$ by Kheit, Messaoud, Merazka, Soumia, Kars, Mohammed, Gómez-Herrero, Adrian, Roisnel, Thierry, Sidoumou, Mohamed

“…Furthermore, the photocatalytic experiments have shown the ability of the $\mathrm{Hg}_{12}\mathrm{Sb}_6$ ($\mathrm{Br}_{5,186}\mathrm{I}_{6,814}$) to degrade rhodamine B (RhB) under solar light radiation. The ab initio calculations using the CASTEP code give a gap of 1,7 eV in good agreement with that found experimentally.…”
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Simulation of Magnetorheological Fluids Based on Lattice Boltzmann Method with Double Meshes by Xinhua Liu, Hao Liu, Yongzhi Liu

“…Moreover, the various internal and external forces acting on the magnetic particles were analyzed and calculated. The two-component Lattice Boltzmann model was set up, and the flowchart for the simulation of magnetorheological fluids based on the two-component Lattice Boltzmann method with double meshes was designed. …”
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Extrusion Hole Test for Improving Fatigue Strength of the Chain Plate of Bucket Lift by Diao Zhonghua, Liu Feng, Tang Chuanchang

“…Through force analysis of chain plate, theoretical basis is provided for elastic-plastic analysis after extrusion, analysis of residual stress, calculation of displacement under elastic-plastic state, and actual working condition test etc. …”
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Optimal control analysis of malaria-schistosomiasis co-infection dynamics by Kazeem Oare Okosun, Robert Smith?

“…We first analyse the single infection steady states, then investigate the existence and stability of equilibria and then calculate the basic reproduction numbers. Both the single-infection models and the co-infection model exhibit backward bifurcations. …”
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Behavior of HPC with Fly Ash after Elevated Temperature by Huai-Shuai Shang, Ting-Hua Yi

“…For use in fire resistance calculations, the relevant thermal properties of high-performance concrete (HPC) with fly ash were determined through an experimental study. …”
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Applying the EDPS Method to the Research into Thermophysical Properties of Solid Wood of Coniferous Trees by Ľuboš Krišťák, Rastislav Igaz, Ivan Ružiak

“…Comparing the research results to the values determined by other authors and already published models to calculate individual parameters, the fact that the data gathered using the EDPS method can be accepted in case of all studied thermophysical properties can be stated.…”
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Stress induced martensite at the crack tip in NiTi alloys during fatigue loading by E. Sgambitterra, L. Bruno, C. Maletta

“…Furthermore, a fitting procedure was developed to calculate the mode I Stress Intensity Factor (SIF), starting from the measured displacement field. …”
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Analytical solutions for Maxwell-scalar system on radially symmetric spacetimes by I. Andrade, D. Bazeia, M. A. Marques, R. Menezes, G. J. Olmo

“…We also find a manner to map the aforementioned equation into the corresponding one associated to kinks in (1, 1) spacetime dimensions, so we get analytical solutions for three specific spacetimes. We then calculate the energy density and show that the energy is finite. …”
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Influence of Concrete Creep on the Bending of a Prestressed Bridge Beam by Petr P. Gaidzhurov, Elvira R. Iskhakova, Nina A. Saveleva

“…At the same time, the known approaches to calculation of concrete and reinforced concrete structures with regard to creep are oriented mainly to solving problems with relatively simple geometry of the product. …”
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