介绍了颗粒物质与颗粒流的概念以及目前颗粒流数值模拟的现状;按照采用的模型是否连续,将模型分为:连续介质模型和非连续介质模型两类;着重介绍了非连续介质模型中的离散元法(DEM):硬球模型和软球模型.通过颗粒流的数值模拟,可以对料仓、固定床、移动床和流化床等设备的设计和操作进行优化,因此在工程中具有重要意义.
参考文献
| [1] | CampellCS .Rapidgranularflows[J].Annual Review of Fluid Mechanics,1990,22:57-92. |
| [2] | JaegerHM;Nagel S R .Thephysicsofthegranularstate[J].Science,1992,255:1523-1531. |
| [3] | Hans Herrmann .Grains of understanding[J].Physics world,1997(11):31-34. |
| [4] | ridgewaterJ .Particletechnology[J].Chemical Engineering Science,1995,50:4081-4089. |
| [5] | orderiesN;Goldreich P;Tremaine S .Agranularflowmodelfordenseplanetaryrings[J].ICARUS,1985,63:406-420. |
| [6] | Heinrich M. Jaeger;Sidney R. Nagel;Robert P. Behringer .The Physics of Granular Materials[J].Physics Today,1996(4):32-38. |
| [7] | 吴爱祥;孙业志;刘湘平.散体动力学理论及其应用[M].北京:冶金工业出版社,2002 |
| [8] | agnoldRA .Experimentsonagravity-freedispersionoflargesolidparticlesinaNewtonianfluidundershear[J].Proceedings of the Royal Society of London,1954,225:49-63. |
| [9] | 张洲波 .颗粒慢速斜槽流的实验研究及数值模拟[D].大连理工大学,2001. |
| [10] | OgawaS.Multitempreture theory of granular materials[A].Tokyo:Gakujutsu Bunken Fukyukai,1978:208-217. |
| [11] | HarrisD .Aunifiedformulationforplasticitymodelsofgranularandothermaterials[J].Proceedings of the Royal Society of London,1995,450:37-49. |
| [12] | CundallPA.A computer model for simulating progressive large scale movements in blocky system[A].Rotterdam:Balkama A A,1971(1):8-12. |
| [13] | StrackODL;Cundall P A .The distinct element method as a tool for research in granular media, Part Ⅰ[R].Minnesota: University of Minnesota,1978. |
| [14] | CundallPA;Strack O D L .The distinct element method as a tool for research in granular media, Part II[R].Minnesota: University of Minnesota,1979. |
| [15] | CundallPA;Strack O D L .Adiscretenumericalmodelforgranularassembles[J].Geotechnique,1979,29(01):47-65. |
| [16] | CampellCS;Brennen C E .Computersimulationofgranularshearflows[J].Journal of Fluid Mechanics,1985,151:167-188. |
| [17] | CampellCS;Brennen C E .Chuteflowsofgranularmaterials:somecomputersimulations[J].Journal of Applied Mechanics,Transactions ASME,1985,52:172-178. |
| [18] | 王泳嘉;邢纪波.离散元法及其在岩土力学中的应用[M].沈阳:东北工学院出版社,1991:60-89. |
| [19] | 邢继波,王泳嘉.离散元法的改进及其在颗粒介质研究中的应用[J].岩土工程学报,1990(05):51. |
| [20] | Tanakat .NumericalsimulationofGas-solidTwo-phaseFlowinaVerticalPipe:ontheEffectofInter-ParticleCollision[J].FED Gas-Solid Flows,1991,121:123-128. |
| [21] | CundallPA;Strack O D L.Modeling of microscopic mechanisms; in granular material[A].Amsterdam:Elsevier,1983:137-150. |
| [22] | MindlinRD;Deresiewicz H .Elasticspheresincontactundervaryingobliqueforces[J].Journal of Applied Mechanics,Transactions ASME,1953,20(03):327-344. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%