全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Cun Zhang , Shihao Tu , Lei Zhang
来源:[J].Transport in Porous Media(IF 1.551), 2017, Vol.119 (3), pp.739-754Springer
摘要:... To study the permeability evolution of the broken coal and its influencing factors during the coal seam group repeating mining, the particle deformation of the broken coal sample (BCS) is assessed in this study based on the Hertz contact deformation principle. Using the e...
作者:Aman Sharma , Robert L. Jackson
来源:[J].Tribology Letters(IF 1.743), 2017, Vol.65 (3)Springer
摘要:This work presents a finite element study of elasto-plastic cylindrical contact. The geometry could also be described as a vertically aligned disk whose axis of symmetry is parallel to the contact surface. The cylinder is considered to be in the plane stress state. The material o...
作者:Haifei Wang , Junjie Gong , Guo Chen
来源:[J].Journal of Mechanical Science and Technology(IF 0.616), 2017, Vol.31 (5), pp.2129-2141Springer
摘要:... rolling bearing radial clearance and strong-nonlinearity of Hertz contact force at four different supports are considered. The coupled system response is obtained by the numerical integral method. The characteristics of the whole vibration response are analyzed. For rollin...
作者:T. Požar , J. Rus , R. Petkovšek
来源:[J].Experimental Mechanics(IF 1.548), 2017, Vol.57 (8), pp.1225-1238Springer
摘要:We present an optical detection technique, called the beam deflection probe, to accurately measure contact times of normal-incidence impacts of steel and sapphire spheres with a transparent glass block. It exploits the deformation of the area that is in a mechanical touch during ...
作者:N. Shayanfar , M. Hadizadeh
来源:[J].Computers and Mathematics with Applications(IF 2.069), 2012, Vol.64 (8), pp.2478-2483Elsevier
摘要:Abstract(#br)In this paper, we are concerned with coupled Volterra integral equations for rigid bodies in the frame of the Hertz contact model. Considering an appropriate integral operator as the variable of the matrix polynomial, a λ -matrix corresponding to the Hertz mode...
作者:Vitor L. Reis , Gregory B. Daniel , Katia L. Cavalca
来源:[J].Mechanism and Machine Theory(IF 1.214), 2014, Vol.74, pp.257-273Elsevier
摘要:... The equations of motion for this system are obtained by Lagrange's method and the effects related to contact, friction and lubrication at the elements that operate in the clearance are the targets of study. The contact force model used in this work is based on Hertz form...
作者:Lei Zhang , Yanjun Han , Cheng Fan ...
来源:[J].The International Journal of Advanced Manufacturing Technology(IF 1.205), 2017, Vol.92 (9-12), pp.4525-4541Springer
摘要:This paper presents a new polishing path planning method for physically uniform overlap of polishing ribbons instead of traditional geometrically uniform coverage of polishing path on freeform surfaces, which attempts to achieve the even material removal on the polished surface in consideration of contact...
作者:Y. Han , Y.N. Abousleiman , K.L. Hull ...
来源:[J].Experimental Mechanics(IF 1.548), 2017, Vol.57 (7), pp.1091-1105Springer
摘要:The contact behavior for geological materials, such as reservoir shale rock, is simulated using the finite element method by considering a nano-indenter tip indenting into a geomaterial obeying the Mohr-Coulomb failure criterion. The deformation and slip at the micro-scale along ...
作者:Yongsheng Gao , Dawei Zhang , Chi Wai Yu ...
来源:[J].Precision Engineering(IF 1.393), 2002, Vol.26 (1), pp.83-92Elsevier
摘要:... The piezoelectric translator is preloaded by four springs such that the moving part in the table keeps contact with the translator. The contact between the translator and the moving part is of the hertz contact type. It is a typical design for high performance micro-positioni...
作者:Ivan Kosenko , Evgeniy Aleksandrov
来源:[J].Journal of Mechanical Science and Technology(IF 0.616), 2009, Vol.23 (4), pp.931-937Springer
摘要:Abstract(#br)A method of computational reduction of an elastic contact model for rigid bodies in frame of the Hertz contact model is considered. An algorithm to transform outer surfaces’ geometric properties to the local contact coordinates system is described. It tracks p...

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