杂志简介:《中南大学学报·社会科学版》杂志经新闻出版总署批准,自1999年创刊,国内刊号为43-1393/C,是一本综合性较强的教育期刊。该刊是一份双月刊,致力于发表教育领域的高质量原创研究成果、综述及快报。主要栏目:经济理论经与管理、文史哲、法学、政治学、外国语言研究
作者:韩式方 刊期:2008年第S1期
Research advances of un-symmetric constitutive equation of anisotropic fluid,influence of un-symmetric stress tensor on material functions,vibrational shear flow of the fluid with small amplitudes and rheology of anisotropic suspension were reported.A new concept of simple anisotropic fluid was introduced.On the basi...
作者:郑连存 张欣欣 刊期:2008年第S1期
The hear transfer mechanism and the constitutive models for energy boundary layer in power law fluids were investigated.Two energy transfer constitutive equations models were proposed based on the assumption of similarity of velocity field momentum diffusion and temperature field heat transfer.The governing systems o...
刊期:2008年第S1期
Rheology is a new cross discipline which researches on flow and deformation of matter and material,furthermore the rules of their
作者:肖建华 刊期:2008年第S1期
The average stretching direction,local rotation angular,and stretching ratio parameters of molecular trains were used to express the rheology deformation.Based on this micro geometrical deformation,the macro deformation of medium was expressed.Then,using intrinsic elasticity concept,the stress-strain relation was obt...
作者:叶永 杨新华 陈传尧 刊期:2008年第S1期
A uniaxial viscoelastoplastic model that can describe whole creep behaviors of asphalt sand at different temperatures was presented.The model was composed of three submodels in series,which describe elastoplastic,viscoelastic and viscoplastic characteristics respectively.The constitutive equation was established for ...
作者:杨晓东 R.V.N.MELNIK 刊期:2008年第S1期
The dynamic analysis of semi-flexible polymers,such as DNA molecules,is an important multiscale problem with a wide range of applications in science and bioengineering.In this contribution,a dumbbell model with internal viscosity was studied in steady shear flows of polymeric fluid.The tensors with moments other than...
作者:李慧 周剑秋 刊期:2008年第S1期
To completely understand the rate-dependent stress-strain behavior of the porous nanocrystalline materials,it is necessary to formulate a constitutive model that can reflect the complicated experimentally observed stress-strain relations of nanocrystalline materials.The nanocrystalline materials consisting grain inte...
作者:苏国韶 张小飞 陈光强 符兴义 刊期:2008年第S1期
To determine structure and parameters of a rheological constitutive model for rocks,a new method based on differential evolution(DE) algorithm combined with FLAC3D(a numerical code for geotechnical engineering) was proposed for identification of the global optimum coupled of model structure and its parameters.At firs...
作者:韩式方 刊期:2008年第S1期
Using the constitutive equation of co-rotational derivative type for anisotropic viscoelastic fluid-liquid crystalline(LC),polymer liquids was developed.Two relaxation times are introduced in the equation:λn represents relaxation of the normal-symmetric stress components;λs represents relaxation of the shear-unsymmet...
作者:李之达 王花平 黄婧 刊期:2008年第S1期
The formation and evolution laws of the defect temperature field,heat dissipation in the process of defect evolution were studied.On the basis,the formation and evolution laws of the defect temperature field were investigated,the interaction among defects in the process of defect evolution was carried out.The numeric...
作者:唐松花 罗迎社 周筑宝 王智超 刊期:2008年第S1期
Plastic variational principles are foundation to solve the boundary-value problems of plastic mechanics with the variational method(or energy method) and finite element method.The most convenient way of establishing different kinds of variational principles is to set up the extreme principle related to the studied pr...
作者:杨柳 罗迎社 刊期:2008年第S1期
The basic factors relating to the rheological stress in the constitutive equations were introduced.Carbon constructional quality steels were regarded as a kind of elastic-viscoplastic materials under high temperature and the elastic-viscoplastic constitutive models were summarized.A series of tension experiments unde...
作者:彭相华 王智超 罗涛 余敏 罗迎社 刊期:2008年第S1期
Application research of neural networks to geotechnical engineering has become a hotspot nowadays.General model may not reach the predicting precision in practical application due to different characteristics in different fields.In allusion to this,an elasto-plastic constitutive model based on clustering radial basis...
作者:刘跃军 李祥刚 黄宇刚 魏珊珊 曾广胜 刊期:2008年第S1期
Mathematical model of filling disk-shaped mold cavity in steady state was studied.And the mathematical model under vibration field was developed from the model in steady state.According to the model of filling disk-shaped mold cavity in steady state,the filling time,the distribution of velocity field and the pressure...
作者:陈锐林 曾庆元 张俊彦 刊期:2008年第S1期
Vibration equations of time-varying system are transformed to the form which is suitable to precise integration algorithm.Precision analysis and computation efficiency of new algorithm are implemented.The following conclusions can be got.Choosing matrixes M,G and K is certainly flexible.We can place left side of nonl...