4篇
您的检索式：作者名="D.R.J.OWEN"
|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | PARALLEL ANALYSIS OF COMBINED FINITE/DISCRETE ELEMENT SYSTEMS ON PC CLUSTER显示文摘A computational strategy is presented for the nonlinear dynamic analysis of largescale combined finite/discrete element systems on a PC cluster. In this strategy, a dual-level domain decomposition scheme is adopted to implement the dynamic domain decomposition. The domain decomposition approach perfectly matches the requirement of reducing the memory size per processor of the calculation. To treat the contact between boundary elements in neighbouring subdomains, the elements in a subdomain are classified into internal, interfacial and external elements. In this way, all the contact detect algorithms developed for a sequential computation could be adopted directly in the parallel computation. Numerical examples show that this implementation is suitable for simulating large-scale problems. Two typical numerical examples are given to demonstrate the parallel efficiency and scalability on a PC cluster. | 王福军 Y.T.FENG D.R.J.OWEN 张静 刘洋 | 2004 | Acta Mechanica Sinica2004，20，5： | 5 |
| 2 | Modeling of alkali-silica reaction in concrete:a review显示文摘This paper presents a comprehensive review of modeling of alkali-silica reaction(ASR)in concrete.Such modeling is essential for investigating the chemical expansion mechanism and the subsequent influence on the mechanical aspects of the material.The concept of ASR and the mechanism of expansion are first outlined,and the stateof-the-art of modeling for ASR,the focus of the paper,is then presented in detail.The modeling includes theoretical approaches,meso-and macroscopic models for ASR analysis.The theoretical approaches dealt with the chemical reaction mechanism and were used for predicting pessimum size of aggregate.Mesoscopic models have attempted to explain the mechanism of mechanical deterioration of ASR-affected concrete at material scale.The macroscopic models,chemomechanical coupling models,have been generally dcveloped by combining the chemical reaction kinetics with linear or nonlinear mechanical constitutive,and were applied to reproduce and predict the long-term behavior of struetures suffering from ASR.Finally,a conclusion and discussion of the modcling are given. | J.W.PAN Y.T.FENG J.T.WANG Q.C.SUN C.H.ZHANG D.R.J.OWEN | 2012 | Frontiers of Structural and Civil Engineering2012，6，1： | 2 |
| 3 | Fifty years of finite elements——a solid mechanics perspective显示文摘The finite element method has been considered as one of the most significant engineering advances of the twentieth century.This computational methodology has made substantial impact on many fields in science and also has profoundly changed engineering design procedures and practice.This paper,mainly from a solid mechanics perspective,and the Swansea viewpoint in particular,describes very briefly the origin of the methodology,then summaries selected milestones of the technical developments that have taken place over the last fifty years and illustrates their application to some practical engineering problems. | D.R.J.Owen | 2012 | Theoretical & Applied Mechanics Letters2012，2，5： | 0 |
| 4 | Modelling of Magnetorheological Fluids with Combined Lattice Boltzmann and Discrete Element Approach显示文摘A combined lattice Boltzmann and discrete element approach is proposedfor numerical modelling of magnetorheological fluids. In its formulation, the particledynamics is simulated by the discrete element method, while the fluid field is resolvedwith the lattice Boltzmann method. The coupling between the fluid and the particlesare realized through the hydrodynamic interactions. Procedures for computing magnetic, contact and hydrodynamic forces are discussed in detail. The applicability ofthe proposed solution procedure is illustrated via a two-stage simulation of a MR fluidproblem with four different particle volume fractions. At the first stage, simulationsare performed for the particle chain formation upon application of an external magnetic field;and at the second stage, the rheological properties of the MR fluid underdifferent shear loading conditions are investigated with the particle chains establishedat the first stage as the initial configuration. | K.Han Y.T.Feng D.R.J.Owen | 2010 | Communications in Computational Physics2010，7，5： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员