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Computer Simulation and Experimental Approach in the Investigation of Deformation and Fracture of TPMS Structures Manufactured by 3D Printing 认领 引用
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作者 Nataliya Kazantseva Nikolai Saharov +2 位作者 Denis Davydov Nikola iPopov Maxim Il’inikh 《Computers, Materials & Continua》 SCIE EI 2026年第4期578-595,共18页
Because of the developed surface of the Triply PeriodicMinimumSurface(TPMS)structures,polylactide(PLA)products with a TPMS structure are thought to be promising bio soluble implants with the potential for targeted dru... Because of the developed surface of the Triply PeriodicMinimumSurface(TPMS)structures,polylactide(PLA)products with a TPMS structure are thought to be promising bio soluble implants with the potential for targeted drug delivery.For implants,mechanical properties are key performance characteristics,so understanding the deformation and failure mechanisms is essential for selecting the appropriate implant structure.The deformation and fracture processes in PLA samples with different interior architectures have been studied through computer simulation and experimental research.Two TPMS topologies,the Schwarz Diamond and Gyroid architectures,were used for the sample construction by 3D printing.ANSYS software was utilized to simulate compressive deformation.It was found that under the same load,the vonMises stresses in the Gyroid structure are higher than those in the Schwartz Diamond structure,which was associated with the different orientations of the cells in the studied structures in relation to the direction of the loading axis.The deformation process occurs in the local regions of the studied TPMS structures.Maximum von Mises stresses were observed in the vertical parts of the structures oriented along the load direction.It was found that,unlike the Gyroid,the Schwartz Diamond structure contains a frame that forms unique stiffening ribs,which ensures the redistribution of the load under the vertical loading direction.An analysis of the mechanical characteristics of PLA samples with the Schwartz Diamond and Gyroid structures produced by the Fused Deposition Modeling(FDM)method was correlated with computer simulation.The Schwarz Diamond-type structure was shown to have a higher absorption energy than the Gyroid one.A study of the fracture in PLA samples with various cell sizes revealed a particular feature related to the samples’periodic surface topology and the 3D printing process.Scanning electron microscopic(SEM)studies of the samples deformed by compression showed thatwith an increase in the density of the samples,the failure mechanism changes from ductile to quasi-brittle due to the complex participation of both cell deformation and fiber deformation. 展开更多
关键词 Computer simulation TPMS structure deformation fracture SEM 3D printing
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Breeding design in wheat by combining the QTL information in a GWAS panel with a general genetic map and computer simulation 认领 引用 被引量：4
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作者 Xiaobo Wang Weiwei Mao +5 位作者 Yongfa Wang Hongyao Lou Panfeng Guan Yongming Chen Huiru Peng Jiankang Wang 《The Crop Journal》 SCIE CSCD 2023年第6期1816-1827,共12页
A large amount of genome-wide association study(GWAS)panels together with quantitative-trait locus(QTL)information associated with breeding-targeted traits have been described in wheat(Triticum aestivum L.).However,th... A large amount of genome-wide association study(GWAS)panels together with quantitative-trait locus(QTL)information associated with breeding-targeted traits have been described in wheat(Triticum aestivum L.).However,the application of mapping results from a GWAS panel to conventional wheat breeding remains a challenge.In this study,we first report a general genetic map which was constructed from 44 published linkage maps.It permits the estimation of genetic distances between any two genetic loci with physical map positions,thereby unifying the linkage relationships between QTL,genes,and genomic markers from multiple genetic populations.Second,we describe QTL mapping in a wheat GWAS panel of 688 accessions,identifying 77 QTL associated with 12 yield and grain-quality traits.Because these QTL have known physical map positions,they could be mapped onto the general map.Finally,we present a design approach to wheat breeding by using known QTL information and computer simulation.Potential crosses between parents in the GWAS panel may be evaluated by the relative frequency of the target genotype,trait correlations in simulated progeny populations,and genetic gain of selected progenies.It is possible to simultaneously improve yield and grain quality by suitable parental selection,progeny population size,and progeny selection scheme.Applying the design approach will allow identifying the most promising crosses and selection schemes in advance of the field experiment,increasing predictability and efficiency in wheat breeding. 展开更多
关键词 Wheat breeding Breeding design GWAS panel General genetic map Computer simulation
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New filling system design for bolster casting and computer simulation 认领 引用 被引量：4
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作者 Zhang Yutuo Li Guimao +1 位作者 Zhang Wanning Wang Chengzhi 《China Foundry》 SCIE CAS 2010年第4期349-351,共3页
The new filling system is smooth filling without gas gap. It works well in avoiding the generation of defects such as porosity and inclusion. The pouring basin, sprue, runner and the gate of the bolster casting were d... The new filling system is smooth filling without gas gap. It works well in avoiding the generation of defects such as porosity and inclusion. The pouring basin, sprue, runner and the gate of the bolster casting were designed according to the principle of the new filling system. The filling and solidifciation process of the bolster casting were also simulated. It was found that the filling process was smooth, and air entrapment and shrinkage were avoided. Finally, a further validation of the new filling system of bolster casting was carried out in a foundry. 展开更多
关键词 new filling system bolster casting filling and solidifciation computer simulation
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Computer simulation of core filling process of cast high speed steel roll 认领 引用 被引量：4
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作者 Song Nannan Luan Yikun +3 位作者 Bai Yunlong Kang Xiuhong Xia Lijun Li Dianzhong 《China Foundry》 SCIE CAS 2009年第4期314-318,共5页
Core filling process of cast high speed steel roll was simulated.Ductile iron was used as core material.The influences of filling parameters,such as core filling time and core filling temperature,on the filling proces... Core filling process of cast high speed steel roll was simulated.Ductile iron was used as core material.The influences of filling parameters,such as core filling time and core filling temperature,on the filling process were investigated.Based on the simulated results,optimal core filling parameters were determined.The predicted temperature fields show that the temperature at the roll shoulder is the lowest during the core filling process and usually causes binding defects there.Method for solving this problem was presented. 展开更多
关键词 computer simulation high speed steel roll core filling binding layer
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Study on Effect of Gd (III) Speciation on Ca (II) Speciationin Human Blood Plasma by Computer Simulation 认领 引用 被引量：3
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作者 Yue WANG Xing LU +4 位作者 Shu Yun WANG Jing Fen HAN Kui Yue YANG Chun Ji NIU Jia Zuan NI 《Chinese Chemical Letters》 SCIE CAS 2001年第2期161-162,共2页
Ca (II) speciation and effect of Gd (III) speciation on Ca (II) speciation in human blood plasma were studied by computer simulation. [CaHCO3](-) is a predominant compound species of Ca (II). Gd (III) can compete with... Ca (II) speciation and effect of Gd (III) speciation on Ca (II) speciation in human blood plasma were studied by computer simulation. [CaHCO3](-) is a predominant compound species of Ca (II). Gd (III) can compete with Ca (II) for biological molecules. The presence of Gd (III) results in a increase of concentration of free Ca (II) and a decrease of concentration of Ca (II) compounds. 展开更多
关键词 Speciation blood plasma computer simulation calcium (II) gadolinium (III)
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Computer Simulation of Adsorption and Separation of CO2/CH4 in Modified COF-102 认领 引用 被引量：2
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作者 朱玉俊 周建海 +2 位作者 胡军 刘洪来 胡英 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2011年第5期709-716,共8页
Covalent organic framework （COF） is a porous material with low density and large BET （Brtmauer-Emmett-Teller） surface area. They have great potential in gas adsorption and separation. In this work, the adsorption ... Covalent organic framework （COF） is a porous material with low density and large BET （Brtmauer-Emmett-Teller） surface area. They have great potential in gas adsorption and separation. In this work, the adsorption of pure CO2 and CO2/CH4 mixture on modified COF-102 was simulated by using GCMC （grand canonical Monte Carlo）. Metal Li was incorporated into COF-102 through three doping methods, including charge exchange, O^--Li6＋ dipolar interaction and O^--Li^＋ chemical bonding. The influence of Li doping on the adsorption of CO2 was studied. The results showed that among the three methods, the dipole doping is the best way to improve CO2 adsorption performance. Further, the ligands of COF-102 were replaced by extended aromatic moieties, such as diphenyl and pyrene. The adsorption capacity of CO2 and CH4, and the selectivity of CO2/CH4 on the ligand-replaced COF-102 were studied. The capacity of CO2 and CH4 on the ligand-replaced COF-102 had obvious changes; hence the selectivity of CO2/CH4 can be adjusted accordingly. 展开更多
关键词 gas adsorption computer simulation COF-102 Li doping ligand replacing
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EXPERIMENTAL INVESTIGATION AND COMPUTER SIMULATION ON DYNAMIC BUCKLING BEHAVIOR OF LIQUID-FILLED CYLINDRICAL SHELLS UNDER AXIAL IMPACT 认领 引用 被引量：2
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作者 Zhang, SY Lei, JP +2 位作者 Zhao, LM Cheng, GQ Lu, GY 《Acta Mechanica Solida Sinica》 SCIE 2000年第2期166-172,共7页
This article reports an experimental investigation on the axial impact buckling of thin metallic cylindrical shells fully filled with water. Low velocity impact tests are carried out by DHR-9401 drop hammer rig. The w... This article reports an experimental investigation on the axial impact buckling of thin metallic cylindrical shells fully filled with water. Low velocity impact tests are carried out by DHR-9401 drop hammer rig. The whole process of dynamic buckling is simulated using LS-DYNA computer code. The consistency between experimental observation and numerical simulation is quite satisfactory. The investigation indicates that quite high internal hydrodynamic pressure occurs inside the shell during the impact process. Under the combined action of the high internal pressure and axial compression plastic buckling occurs easily in the thin-walled shells and buckling modes take on regular and axisymmetric wrinkles. 展开更多
关键词 liquid-filled cylindrical shell impact buckling experimental investigation computer simulation
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COMPUTER SIMULATION OF CONTINUOUS ELECTROMAGNETIC STIRRING FOR MAKING RHEOLOGIC SEMI-SOLID SLURRY OF ZL112Y ALUMINUM ALLOY 认领 引用 被引量：2
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作者 LIU Changming YANG Ling ZUO Hongzhi 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS 2008年第6期108-114,共7页
To realize the technology of fabricating the rheologic semi-solid slurry of ZL112Y aluminum alloy via continues electromagnetic stirring process,ANSYS software was used to simulate electromagnetic force field and flui... To realize the technology of fabricating the rheologic semi-solid slurry of ZL112Y aluminum alloy via continues electromagnetic stirring process,ANSYS software was used to simulate electromagnetic force field and fluid velocity field in the alloy melt in a crucible tube in three coils.In the first section of the paper,eletromagnetic force field and fluid velocity field caused by single coil were simulated.The result of this simulation gives an average velocity of 3.2 cm/s and it is called critical velocity because a fluid velocity over it will cause a fine and spherical structure of solid primary a in a semi-solid melt.And,from this result,a reasonable temperature of semi-solid of the alloy and an electrical current intensity were established.The electrical current intensity of the result of this simulation corresponded to the current intensity used in a practice experiment,in which the primaryαwas obviously refined and sphericized.Based on this simulation of single coil electromagnetic stirring,in the second section of the paper,eletromagnetic force field and fluid velocity field caused by three coils were simulated.The result of the simulation shows that,1)there is a semi-solid zone of 32 mm from bottom of the crucible tube to the upper;2)the electrical current intensities of three coils of 400 A,600 A,and 400 A,which were set to top range,middle range and bottom range of the tube,respectively,were the optimum parameters of electromagnetic current intensity under the condition of this investigation;and 3)under effect of these electromagnetic current intensity,the fluid velocities of the melt in the tube were 6.3 cm/s in top range,3.75 cm/s in middle range,and 3.9 cm/s in bottom range of it,respectively. 展开更多
关键词 Electromagnetic stirring Electromagnetic force field Fluid velocity field Rheologic semi-solid slurry Computer simulation
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Computer simulation of flow and mixing at the duodenal stump after gastric resection 认领 引用 被引量：1
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作者 Nenad Filipovic Aleksandar Cvetkovic +3 位作者 Velibor Isailovic Zoran Matovic Mirko Rosic Milos Kojic 《World Journal of Gastroenterology》 SCIE CAS 2009年第16期1990-1998,共9页
AIM： To investigate the flow and mixing at the duodenal stump after gastric resection, a computer simulation was implemented. METHODS： Using the finite element method, two different Billroth fl procedure cases （A a... AIM： To investigate the flow and mixing at the duodenal stump after gastric resection, a computer simulation was implemented. METHODS： Using the finite element method, two different Billroth fl procedure cases （A and B） were modeled. Case A was defined with a shorter and almost straight duodenal section, while case B has a much longer and curved duodenal section. Velocity, pressure and food concentration distribution were determined and the numerical results were compared with experimental observations. RESULTS： The pressure distribution obtained by numerical simulation was in the range of the recorded experimental results. Case A had a more favorable pressure distribution in comparison with case B. However, case B had better performance in terms of food transport because of more continual food distribution, as well as better emptying of the duodena section. CONCLUSION： This study offers insight into the transport process within the duodenal stump section after surgical intervention, which can be useful for future patient-specific predictions of a surgical outcome. 展开更多
关键词 Computer simulation Gastric resection Duodenal stump Billroth rl Pressure distribution
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COMPUTER SIMULATION OF GRAIN BOUNDARY SEGREGATION BEHAVIOR AND MECHANISMS OF STRENGTHENING OF Mg IN Ni-BASED SUPERALLOYS 认领 引用 被引量：3
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作者 陈国良 葛红林 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS 1995年第2期108+84-91,共92页
This paper used EAM and static relaxation method to simulate the grain boundary segregation behavior of Mg in Ni-based superalloys. The results offer a better understanding in the strengthening mechanism of Mg additio... This paper used EAM and static relaxation method to simulate the grain boundary segregation behavior of Mg in Ni-based superalloys. The results offer a better understanding in the strengthening mechanism of Mg addition in superalloys. The segregation of Mg increases the grain boundary cohesive bond and the vacancy formation energy, and decreases the mobility of grain boundary dislocation. It results in the retardation of creep voids initiation and growth. 展开更多
关键词 Mg in Superalloys Grain boundary segregation superalloy computer Simulation
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Studies on Insoluble Species of Gd(Ⅲ)in Human Blood Plasma by Computer Simulation 认领 引用 被引量：1
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作者 WANG Yue LU Xing +2 位作者 ZHANG Hai-yuan YANG Kui-yueNIU Chun-ji NI Jia-zuan 《Chemical Research in Chinese Universities》 SCIE EI CAS 2001年第4期352-355,共4页
The insoluble species of Gd ( Ⅲ ) in human blood plasma were investigated by computer simulation. The distribution of the Gd(Ⅲ ) species was obtained. It was found that most of the Gd( Ⅲ ) ions were bound to phosph... The insoluble species of Gd ( Ⅲ ) in human blood plasma were investigated by computer simulation. The distribution of the Gd(Ⅲ ) species was obtained. It was found that most of the Gd( Ⅲ ) ions were bound to phosphate to form precipitate GdPO4 at the concentration of 1. 000 10-7 mol/L and when the concentration of the Gd (Ⅲ ) increased to 3. 750 X 10-4 mol/L, in excess of the concentration of phosphate, the Gd ( Ⅲ ) ions were bound to carbonate to form another kind of precipitate, Gd2(CO3)3. 展开更多
关键词 Speciation Gadolinium ( Ⅲ ) Computer simulation
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Application of the Computer Simulation Technique to Developing EFI Engine 认领 引用 被引量：1
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作者 张付军 赵长禄 +2 位作者 黄英 葛蕴珊 孙业保 《Journal of Beijing Institute of Technology》 EI CAS 2000年第2期205-210,共6页
The application of computer simulation technique to electronic controlled fuel injection(EFI) engine was studied to increase the development speed and improve the overall performance of the engine and car. On the basi... The application of computer simulation technique to electronic controlled fuel injection(EFI) engine was studied to increase the development speed and improve the overall performance of the engine and car. On the basis of an EFI system developed by ourselves, the simulation model of the initial control data and engine operation points during a driving cycle and the car performance pridiction model were established. This method was applied to a mini car. The experiment showed that the simulated control data has good accuracy; and the engine test points and car performances obtained by simulation are useful for the matching of EFI system with gasoline engine and the development speed is increased. 展开更多
关键词 computer simulation electronic-controlled fuel injection (EFI) gasoline engine
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Computer Simulation of Microstructure Evolution of 82B Rod at Different Cooling Rates 认领 引用 被引量：10
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作者 XU Jin-qiao LIU Ya-zheng ZHOU Shu-mei 《Journal of Iron and Steel Research International》 SCIE CAS 2008年第2期56-59,64,共4页
According to thermodynamics and kinetics of phase transformation,a mathematical model of phase transformation was proposed,and the microstructure evolution of an 82B rod at different cooling rates was simulated by usi... According to thermodynamics and kinetics of phase transformation,a mathematical model of phase transformation was proposed,and the microstructure evolution of an 82B rod at different cooling rates was simulated by using the FEM software Marc/Mentat,based on the measurement of time-temperature transformation（TTT）curves of the 82B rod.The simulated results were in good agreement with the actual measurements.From the results of computer simulation it was found that the cooling rate of the 82B rod,after laying,should be controlled within 5-8 ℃/s.In the microstructure of rod there were over 95% of pearlite volume fraction and a small quantity of dispersive martensite（less than 5%）. 展开更多
关键词 computer simulation microstructure evolution controlled cooling 82B rod
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STUDY ON SINGULAR CONFIGURATIONS AND COMPUTER SIMULATION OF 6R ROBOT 认领 引用 被引量：1
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作者 Zhang Kai Hu Dejin Liu Chengliang School of Mechanical Engineering,Shanghai Jiaotong University,Shanghai 200030, China 《Chinese Journal of Mechanical Engineering》 EI CAS 2004年第2期177-180,共4页
When robot is at singular configuration, the limited hand velocity wouldrequire some joints with infeasible speeds so as to lead unsafely of the system. A method of solvingthe approximate velocity of joint near singul... When robot is at singular configuration, the limited hand velocity wouldrequire some joints with infeasible speeds so as to lead unsafely of the system. A method of solvingthe approximate velocity of joint near singular configuration point by adding damped vector isproposed and a modified algorithm is provided. With the analysis of J-1 the singularconfigurations of 6R robot are divided into structure boundary singularity , boundary singularity ,inner singularity and wrist singularity. The conditions of singularities of the robot have beenascertained. The computer simulations of the singularities of the robot are developed, which havemany advantages over previous description methods of the singular configurations of robot. With thehelp of boundary singularity analysis, a application in welding trajectory planning checking of therobot has been carried out and the simulation result proved visualized and useful. 展开更多
关键词 Robot Singular configuration Computer simulation
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Computer Simulation of Insoluble Pr(III) Speciation in Human Interstitial Fluid 认领 引用 被引量：1
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作者 HaiYuanZHANG XingLU 《Chinese Chemical Letters》 SCIE CAS 2002年第7期658-659,共2页
A multi-phase model of Pr(III) speciation in human interstitial fluid was constructed and insoluble Pr(III) speciation was studied. When the total concentration of Pr(III) is below 8.401E-10 mol/L, soluble Pr(III) spe... A multi-phase model of Pr(III) speciation in human interstitial fluid was constructed and insoluble Pr(III) speciation was studied. When the total concentration of Pr(III) is below 8.401E-10 mol/L, soluble Pr(III) species are main species. With rising the total concentration of Pr(III), Pr(III) is firstly bound to phosphate to form precipitate of PrPO4, then bound to carbonate and another precipitate of Pr2(CO3)3 was obtained. When the total concentration is between 1.583E-9 mol/L and 4.000E-3 mol/L, the insoluble species are predominant Pr(III) species. 展开更多
关键词 Computer simulation praseodymium(III) speciation human interstitial fluid.
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Computer Simulation on Metallic Card Clothing Garnett Wire Teeth's Temperature Field & Structure Field in the Process of Quenching Treatment 认领 引用 被引量：1
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作者 吴良 任世和 《Journal of Donghua University(English Edition)》 EI CAS 2006年第3期33-36,共4页
The quenching process of garnett wire teeth of metallic card clothing heated by flame was researched by use of 3-D finite element method and the equation of boundary condition was established by making use of a model ... The quenching process of garnett wire teeth of metallic card clothing heated by flame was researched by use of 3-D finite element method and the equation of boundary condition was established by making use of a model of artificial neural network. The transient temperature field, phase transformation in the heating process, the quenching microstructures and the hardness distribution on quenched garnett wire teeth of metallic card clothing were simulated. The result shows that the maximum error of the hardness between the simulative value and the actual measuring value is 8.0% on only one testing point and errors are all less than 3.0% on other testing points. 展开更多
关键词 computer simulation quenching artificialneural network metallic card-clothing.
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THEORETICAL PREDICTION OF TOOL-CHIP CONTACT LENGTH IN ORTHOGONAL METAL MACHINING BY COMPUTER SIMULATION 认领 引用 被引量：3
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作者 Gu Lizhi Long Zeming Cao LiwenCollege of Mechanical Engineering, Jiamusi University, Jiamusi 154007, ChinaYuan Zhejun Harbin Institute of Technology 《Chinese Journal of Mechanical Engineering》 EI CAS 2002年第3期233-237,共5页
A method for determination of tool-chip contact length is theoreticallypresented in orthogonal metal machining. By using computer simulation and based on the analyses ofthe elastro-plastic deformation with lagrangian ... A method for determination of tool-chip contact length is theoreticallypresented in orthogonal metal machining. By using computer simulation and based on the analyses ofthe elastro-plastic deformation with lagrangian finite element method in the deformation zone, theaccumulated representative length of the low layer, the tool-chip contact length of the chipcontacting the tool rake are calculated, experimental studies are also carried out with 0.2 percentcarbon steel. It is shown that the tool-chip contact lengths obtained from computer simulation havea good agreement with those of measured values. 展开更多
关键词 Tool-chip contact length Computer simulation Finite element method Elastro-plastic deformation Representative length of an element
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Computer Simulation of Ions Doped Hydroxyapatite: A Brief Review 认领 引用 被引量：1
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作者 王蒙豪 王群 +2 位作者 鲁雄 WANG Kefeng REN Fuzeng 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2017年第4期978-987,共10页
A brief review of commonly encountered anions,cations and co-doped HA and Ca-deficient HA was given in the DFT studies.First,the charge compensation mechanism,the preference substitution sites and crystal structure ch... A brief review of commonly encountered anions,cations and co-doped HA and Ca-deficient HA was given in the DFT studies.First,the charge compensation mechanism,the preference substitution sites and crystal structure changes of doped HA were described and discussed.And then conclusions were drawn and future challenges were discussed.The review is expected to provide theoretical guidance for the development of bioactive HA with special structures and functions. 展开更多
关键词 hydroxyapatite ionic doping ca-deficient hydroxyapatite computer simulation
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Inhomogeneous 2D Lennard-Jones Fluid: Theory and Computer Simulation 认领 引用 被引量：2
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作者 R. Khordad 《Communications in Theoretical Physics》 SCIE CAS CSCD 2012年第11期759-764,共6页
In this work, thermodynamical properties of a two-dimensional （21）） Lennard-Jones （L J） fluid are studied. Here, to increase the accuracy of our theoretical calculations, the correlation functions in three-partic... In this work, thermodynamical properties of a two-dimensional （21）） Lennard-Jones （L J） fluid are studied. Here, to increase the accuracy of our theoretical calculations, the correlation functions in three-particle level （triplet） are applied. To obtain the triplet correlation functions, the Attard＇s source particle method is extended to 21） systems. In the Attard＇s procedure, the inhomogeneous Ornstein Zernike （OZ） equation is solved using the Treizenberg Zwanzwig （TZ） expression and a closure relation like the hy2ernetted-chain （HNC） approximation. In the present work, we also have performed the Monte Carlo （MC） simulation. The theoretical results are in fairly agreement with the MC simulation. Also, our results show that the approach proposed here is suitable to study the 2D LJ fluid. 展开更多
关键词 Lennard-Jones fluid correlation functions computer simulation three-particle level
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Computer Simulation of Ferrite Transformation during Hot Working of Low Carbon Steel 认领 引用 被引量：2
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作者 Yunbo XU, Yongmei YU, Xianghua LIU and Guodong WANGState Key Laboratory of Rolling and Automation, Northeastern University, P.O. Box 105, Shenyang 110004, China 《Journal of Materials Science & Technology》 SCIE EI CAS 2004年第5期497-500,共4页
On the basis of transformation kinetics and thermodynamics, the austenite-ferrite transformation start temperature during deformation was predicted for several grades of low-carbon steels under different processing co... On the basis of transformation kinetics and thermodynamics, the austenite-ferrite transformation start temperature during deformation was predicted for several grades of low-carbon steels under different processing conditions. Results indicate that Ar3d temperature mostly depended on alloying composition and processing parameters. Ar3d increased as strain rate or strain increased for the same steel grade. In view of enhancement of deformation on transformation, the basic kinetics model was established to simulate deformation induced transformation behavior, using which the influence of the deformation stored energy and effective deformation ledge on the nucleation and growth can be considered. The simulated results are in good agreement with experiment results. 展开更多
关键词 Computer simulation Transformation kinetics Ultrafine ferrite Deformation induced transformation
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