搜索结果: 1-15 共查到“机械工程 Finite element”相关记录16条 . 查询时间(0.062 秒)
High-fidelity modeling of a backhoe digging operation using an explicit multibody dynamics finite element code with integrated discrete element method
Multibody dynamic discrete element method backhoe
2015/1/12
In this thesis, a high- fidelity multibody dynamics model of a backhoe for simulating the digging operation is developed using the DIS (Dynamic Interactions Simulator)multibody dynamics software. Sand...
Virtual Reconstruction of Long Bone Fracture in Car-to-pedestrian Collisions Using Multi-body System and Finite Element Method
passenger car pedestrian accident lower limb FE model long bone fracture
2011/8/4
Lower limb injures are frequently observed in passenger car traffic accidents. Previous studies of the injuries focus on long bone fractures by using either cadaver component tests or simulations of t...
Finite element study of correlation between intracranial pressure and external vibration responses of human head
intracranial pressure (ICP) finite element model
2010/9/26
In this paper, the correlation between intracranial pressure (ICP) and external vibration responses of the head was studied using finite element modeling. A two-dimensional finite element model of the...
Improved nearest-nodes finite element method with field-consistent shape functions
Nearest-nodes finite element method Euler-Lagrange equations
2010/11/25
In this paper, the recently developed nearest-nodes finite element method (NN-FEM) was improved by introducing field-consistent shape functions. Field-consistent shape functions are constructed in two...
Crystal Plasticity Finite Element Process Modeling for Hydro-forming Micro-tubular Components
micro-mechanics modeling micro-forming hydro-forming
2011/8/3
Micro-tubes manufactured by hydro-forming techniques have now been widely used in medical and microelectronics applications. One of the difficulties in forming such parts is the control of localized n...
Abrasive Waterjet Machining Simulation by Coupling Smoothed Particle Hydrodynamics/Finite Element Method
abrasive waterjet machining randomized algorithm coupling SPH/FEM
2011/8/3
In dealing with abrasive waterjet machining(AWJM) simulation, most literatures apply finite element method(FEM) to build pure waterjet models or single abrasive particle erosion models. To overcome th...
A Finite Element Calculation of Stress Intensity Factors of Cruciform and Butt Welded Joints for Some Geometrical Parameters
Stress Intensity Factor FRANC2D Welded Joints
2010/1/15
With welded joints, stress concentrations occur at the weld toe and at the weld root, which make these regions the points from which fatigue cracks may initiate. To calculate the fatigue life of welde...
Application of a perfectly matched layer boundary condition to finite element modeling of elastic wave scattering in cracked plates
perfectly matched layer finite element modeling elastic waves plates
2010/9/27
This paper investigates the applicability of a displacement-based, Finite Element (FE) implementation of a time-domain, split-field Perfectly Matched Layer (PML) formulation to numerical modeling of e...
THE VEINING STRUCTURE METHOD, THE FINITE ELEMENT METHOD IN THERMAL DEFORMATION DETERMINATION FOR THE MAIN SPINDLE AT NUMERICHAL CONTROL LATHES
finite element thermal deformation main spindle
2009/10/13
In the determination of the process accuracy on CNC lathe it is very important to know the thermal deformations. This article presents a new solution to obtain the thermal deformations at the principa...
The Fuzzy Finite Element Stress Analysis of Adhesive-Bonded Single Lap Joints
Fuzzy finite element method Adhesive joints Stress analysis
2009/10/12
An adhesive-bonded single lap joint is analyzed using a new fuzzy nite element model. In the model,Young's moduli and Poisson's ratios of the joint materials are taken as fuzzy numbers in order to ta...
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...
An Adaptive Parametric Study on Mesh Refinement during Adaptive Finite Element Simulation of Sheet Forming Operations
Finite Element Adaptive Parameter Post-processing Procedure Refinement Technique Sheet Forming
2009/10/9
The paper presents an adaptive parametric study on mesh refinement during adaptive finite element analysis of sheet forming operations. The selected adaptivity parameters for the study are field varia...
应用有限元法考察了修形斜齿轮的轮齿接触和载荷分布。根据变形协调条件和力平衡关系建立了轮齿面接触分析有限元模型。宽斜齿轮副由一个渐开线齿轮和一个双鼓形齿轮组成，建立了齿轮传动装置整体有限元模型，开发了有限元网格划分程序。应用ANSYS软件考察了修形参数对轮齿上载荷分布和接触应力的影响。
3D finite element analysis of metal flow in hot aluminium extrusion of T-shaped profile with various offset pockets
Extrusion Finite element model Aluminium
2010/1/19
Purpose: The present paper has therefore investigated influence of offset pocket design on metal flow behaviour
in hot aluminium extrusion of a T-shaped profile.
Design/methodology/approach: A serie...
3D nearest-nodes finite element method for solid continuum analysis
Nearest-Nodes Shape Function Polynomial Interpolation
2010/9/27
In this paper, a so-called Nearest-Nodes Finite Element Method (NN-FEM) is proposed for the analysis of a 3D solid continuum. In the method, finite elements are mainly used for numerical integration. ...