搜索结果: 1-15 共查到“机械工程 Modelling”相关记录19条 . 查询时间(0.157 秒)
In this thesis, Artificial Neural Network (ANN) technique is used to model and simulate the Turning Process. Significant machining parameters (i.e. spindle speed, feed rate, and, depths of cut) and pr...
Modelling of nematic liquid crystals in electromagnetic fields
Nematics degree of orientation evolution equation
2010/9/27
The paper elaborates a dynamic scheme which accounts for the evolution of nematic liquid crystals. The liquid crystal is allowed to be compressible and subject to the action of mechanical and electrom...
FEM–based thermal modelling of the cutting process using power lawtemperature dependent concept
Tool materials Machining Thermal behaviour
2009/12/2
Purpose: Purpose of this study is to compare two variants of the FEM simulation model of orthogonal cutting
process of AISI 1045 carbon steel with uncoated and multilayer-coated carbide tools i.e. st...
Modelling of transport phenomena in gas tungsten arc welding
Computational mechanics GTA welding Transport phenomena
2009/12/1
Purpose: Since numerical heat transfer and fluid flow models have provided significant insight into welding
process and welded materials that could not been achieved otherwise, there has been an impo...
Modelling of Fracture Toughness in Steel Laminates with a Finite Element Method
Finite element method J integral Laminates Interfacial strength Delamination
2009/10/10
The fracture toughness of laminates in which both phases are ductile is modeled with nite element analyses in terms of JIC. The models employed were an exact analogue of compact tension test pieces l...
Modelling of the Effect of Different Infeed Angles and Cutting Areas on the Cutting Forces in External Threading
External threading Infeed angles Cutting forces
2009/10/9
Variations in cutting forces were investigated experimentally depending on infeed angles and cutting areas in the external threading on a CNC turning centre. For this purpose, AISI 1050 workpiece mate...
Formulation of 3D shoe sizes using scanning camera and CAD modelling
CAD/CAM Thai shoe size 3D scanning camera
2010/1/19
Purpose: This paper purposes to formulate 3D shoe size by using scanning camera and link to CAD modeling.
Design/methodology/approach: The research design is divided into four groups with different
...
Mass transfer in an anisotropic porous medium- experimental analysis and modelling of temperature and desorption direction effect
Kinetics of desorption Anisotropic medium
2010/9/27
In order to follow the kinetics of desorption of the aqueous solution (KCl “0.2M”) which occur in three orthotropic directions, this work uses the indirect method of conductimetric measurement. An ani...
Hygroscopic behaviour modelling of syntactic foams in the presence of trapping and diffuse interfaces
Syntactic foams diffusion interfaces
2010/9/27
In order to determinate the role of reinforcements-matrix interfaces in the infiltration of water molecules within a composite material, we introduced a very thin layer highly diffusive and trapping b...
Modelling of flow phenomena in the process of filling the model die mould - an application of the NovaFlow program
Die casting Turbulent flow Laminar flow Model testing Computer simulation
2011/3/17
Calculations performed by means of the calculation module NOVACAST (NovaFlow&Solid) for the selected models of cavities cast by the pressure method - are presented in the paper. The rates of filling o...
Modelling of the manufacturing system objects interactions
Analysis and modelling Artificial intelligence methods Distributed artificial intelligence
2010/2/9
Purpose: Modelling of the agent based systems is presented along with a brief description of the relevant software toolkit.Design/methodology/approach: Areas of activity of the agent systems are prese...
Residual stresses modelling in hard turning and its correlation with the cutting forces
Machining Turning Hard turning
2010/2/10
Purpose: This paper aims to study the cutting parameters influence (cutting speed, feed rate, cutting depth and tool radius nose) on the cutting forces (cutting force, feed rate cutting force and pene...
Purpose: Modeling of production systems is very important and makes optimization of complicated relation in production system possible. The purpose of this paper is introducing artificial techniques, ...
Multi-scale modelling of surface topography in single-point diamond turning
Numerical techniques Mmulti-scale model Mmesoplasticity
2010/2/10
Purpose: A multi-scale model is proposed to explain the effect of material induced vibration and the quantitative relation between cutting force and the surface quality from dislocations, grain orient...
Selected methods of modelling of polymer during the injection moulding process
Computer assistance in the engineering tasks and scientific research Monitoring of polymer flow during injection molding process Mold flow analysis
2010/2/10
Purpose: The purpose of present paper was presenting chosen results of investigations on polymer flow during mould cavity filling phase of injection process. Advancement in the simulation software mak...