搜索结果: 1-14 共查到“工学 Frictional”相关记录14条 . 查询时间(0.031 秒)
Finite deformation formulation for embedded frictional crack with the extended finite element method
finite deformation frictional crack embedded discontinuity extended finite element
2015/7/1
We reformulate an extended finite element (FE) framework for embedded frictional cracks in elastoplastic solids to accommodate finite deformation, including finite stretching and rotation. For the FE ...
Stabilized low-order finite elements for frictional contact with the extended finite element method
Extended finite element Frictional contact Lagrange multipliers Penalty method Stabilized methods
2015/7/1
Contact problem suffers from a numerical instability similar to that encountered in incompressible elasticity, in which the normal contact pressure exhibits spurious oscillation. This oscillation does...
A contact algorithm for frictional crack propagation with the extended finite element method
contact algorithm frictional crack extended finite element method
2015/7/1
We present an incremental quasi-static contact algorithm for path-dependent frictional crack propagation in the framework of the extended finite element (FE) method. The discrete formulation allows fo...
An extended finite element framework for slow-rate frictional faulting with bulk plasticity and variable friction
extended finite element friction fault plasticity
2015/7/1
We present an extended finite element (FE) approach for the simulation of slow-rate frictional faulting in geologic media incorporating bulk plasticity and variable friction. The method allows the fau...
A finite element model of localized deformation in frictional materials taking a strong discontinuity approach
finite element model localized deformation frictional materials strong discontinuity approach
2015/7/1
A finite element model of localized deformation in frictional materials taking a strong discontinuity approach is presented. A rate-independent, non-associated, strain-softening Drucker-Prager plastic...
'Flow & Jam' of frictional athermal systems under shear stress
Flow & Jam frictional athermal systems shear stress
2012/2/24
We report recent results of molecular dynamics simulations of frictional athermal particles at constant volume fraction and constant applied shear stress, focusing on a range of control parameters whe...
Kinematical characteristic of mechanical frictional variable speed drive
variable speed drive friction drive kinematical characteristic kinematical design
2014/2/26
The paper describes a new system of mechanical spherical conical friction drive. In the present a row of simple friction, belt, chain, wave and differential variable speed drives is published. For the...
Frictional Drag Reduction by the Nonlinear Effect of an Unsteady Boundary Layer
Drag Reduction Additional Pressure Gradient Apparent Friction Force Skin Friction Flat Plate Unsteady Boundary Layer
2009/5/12
An unsteady boundary layer past an elastic flat plate with a leading fixed edge and a surging trailing edge was investigated utilizing both numerical and analytical methods. Analytical solutions for l...
On Reconsideration on Flat Plate Frictional Resistance
Friction Coefficient Flat Plate Boundary Layer Theory Schoenherr's Formula Verification of CFD
2009/5/12
This paper presents a new friction coefficient of flat plate in wide Raynols number range. The main purpose of this study is to present a verification data for CFD calculation, which will be applied t...
Influence of Surface Properties of Coatings to Frictional Resistance
Frictional Drag Reduction Self-Polishing Paint Water-Repellent Paint Sand Roughness Scale Effect
2009/5/12
In order to clarify correlation between properties of coating on ship hull surfaces and frictional resistance, experimental studies were carried out. A rotating cylinder type dynamometer was newly dev...
Surface Frictional Properties of Silk/Nylon Blended Nanofiber Assemblies
Electrospinning Surface friction Silk/nylon blend
2009/4/22
The silk fibroin/nylon 66 blended nanofiber webs were made by the electrospinning process and investigate the effect of blend ratio on the structure and surface properties of electrospun nanofiber a...
Effect of Frictional Force on Lateral Resistance of Wall-Floor Joints of Wooden Light Frame Constructions
light frame construction shear wall vertical load frictional force frictional damping
2010/3/4
In wooden light frame constructions, wind or earthquake forces are transmitted through the boundaries between upper floors and walls, walls and lower floors, floors and sills, or sills and foundations...
Frictional Coefficients between Timber and Some Structural Sheet Materials
frictional coefficient structural sheet material specific gravity slip direction
2009/3/5
Friction between timber and timber or other structural materials plays an important role in actual mechanical behavior of timber constructions. To consider the effect of friction in structural design...
The Influence of Surface Electrolyte and Moisture Content on the Frictional Behavior of Cotton Fiber
Moisture Content The Influence of Surface Electrolyte
2008/4/30
Cotton processing efficiency is dependent on the degree of friction between fibers and their processing environment as the fibers are subjected to the various pieces of equipment involved in convertin...