真诚  勤勉    达观  自然


YAN Kun 

Contact

yankun@nature.ac.cn

Research Interests

1 Equations of self-similar fractal measure based on the non-integral order calculus

2 The approximate equivalent analytical solution of the nonlinear dynamics equation and its applications

  The nonlinear differential equation expressions with the solution of approximate linear frequency conversion and the characteristics of the curve shapes of frequency conversion wave equations at the negative frequency

A general constructing form of the adaptive connection equation and its preset iteration method in discontinuous area of data curve

  A connecting method of the mapping equations for the discontinuous areas of the general curves

  An approximate expression of extended hyperbolic tangent series for the data curves or the partial continuous functions
   4
The equation of the transformation of the phenomena between the states in evolutionary process ( which included the equation form of the smooth curve of a natural optimum principle or a natural conciseness principle in general )

  General tendency equation of the natural saturation process curve and the creep process curve

  A prediction for an electronic circuit element (Nonlinstor) with the deepening charge-controlled capacitor properties based on the form of the nonlinear differential equation  
   
The tendency equations of the friction-speed characteristic curve (which included the stages of Coulomb friction, Stribeck friction, viscous friction, friction hysteresis, and anomalous friction hysteresis effect ) in mechanical system or servo system
   
The tendency equations of the shear stress-shear rate in the flow curve (that included the sections of first Newtonian fluid-flow, pseudoplastic flow, second Newtonian fluid-flow, dilatant flow, turbulent flow, and anomalous shearing effect) of the polymer melts
     The similarity in the fractal measure expressions of the evolutions of fracture cracks growth structure and fluid turbulent eddies nested structure

5 Mechanical equation of one-way velocity of light for the constancy of two-way velocity of light(invariance of two-way speed of light)
     
The experimental criterion equation for the closed strings mode of the photon (the general refraction equation of the photon with a same rotation plane)

   Energy state of vacuum matter and superluminal velocity motion laws of matter
  6 Mechanism of wave-particle duality, wave-front excited wave on the moving direction of particle, and
particle fractal motion

   The extended form of average energy equation and the tendency differential equation of the average particle number for the statistical distributions of the particles

7 Tendency equations of stable nuclides,  limit of periodic table of chemical element, and distributional equation of particle mass

   Equation of average binding energy per nucleon

8 Coupled phenomenological description of the revolution, the rotation and the global plate motion of the Earth

9 Continuous orbit theory and discrete orbit (or stable orbit) theory of the celestial body motion

   General form of Binet’s equation of the celestial body motion orbit  
     
Approximate solutions for orbit equations of the celestial bodies motion in the weak and strong gravitational field

 

Reports and Papers

  1 YAN Kun. Energy-exchange descriptions on the superluminal velocity and quantum fractal

                  http://www.nature.ac.cn/papers/paper-pdf/physics-pdf.pdf

  2 YAN Kun. The general expression of Binet equation about celestial bodies motion orbits
http://www.nature.ac.cn/papers/paper-pdf/celestialBinet-pdf.pdf

                  "Progress in Geophysics (in Chinese with abstract in English),2005, 20(2): 534539.  DOI:10.3969/j.issn.1004-2903.2005.02.052."

  3 YAN Kun. The tendency analytical equations of stable nuclides and the superluminal velocity motion laws of matter in geospace

                  http://www.nature.ac.cn/papers/paper-pdf/vacuumenergy-pdf.pdf

                  "Progress in Geophysics (in Chinese with abstract in English),2006, 21(1): 3847. DOI:10.3969/j.issn.1004-2903.2006.01.007."

  4 YAN Kun. Introduction on background medium theory about celestial body motion orbit and equation of non-integral order calculus about self-similar fractal measure calculation
http://www.nature.ac.cn/report/paper-pdf/celestialandmaths-pdf.pdf

                   "Progress in Geophysics (in Chinese with abstract in English), 2007, 22(2): 451462. DOI:10.3969/j.issn.1004-2903.2007.02.018."

  5 YAN Kun. Research on adaptive connection equation in discontinuous area of data curve
http://www.nature.ac.cn/papers/paper-pdf/curveandequation-pdf.pdf
"Progress in Geophysics (in Chinese with abstract in English), 2011,26(1): 162171. DOI:10.3969/j.issn.1004-2903.2011.01.018."

  6 YAN Kun. Brief annotation of the connection equation
http://www.nature.ac.cn/papers/paper-pdf/ConnectionEquation-pdf.pdf

 Before Initially (Āgama)

   http://www.nature.ac.cn/sky/nature-sky-pdf.pdf

 After Finally (Tathatā)

   http://www.nature.ac.cn/star/nature-star-pdf.pdf



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