Zilong Song

Mathematics and Statistics

Assistant Professor


Zilong Song

Contact Information

Office Location: Animal Science (ANSC) 222C
Phone: (435) 797-1289
Email: Zilong.Song@usu.edu

Educational Background

PhD, Applied Mathematics, City University of Hong Kong, 2013

Biography

Dr. Song received his Ph.D. in applied mathematics from City University of Hong Kong. Before joining USU in 2021, Dr. Song was a postdoctoral fellow at York University and Fields Institute. Dr. Song works in interdisciplinary areas of applied mathematics, including ion transport systems, disease modeling, continuum mechanics etc. He has also been working on asymptotic analysis of systems with small parameters or special structures. Dr. Song is interested in modeling, analysis and computation of various biological systems.

Teaching Interests

Calculus, Numerical methods, Ordinary differential equations, Partial differential equations, methods in applied math

Research Interests

Mathematical Biology (Ion transport in Ion Channels and Cells), Asymptotic Analysis, Solid and Fluid Mechanics, Industrial Problem and Machine Learning

Publications | Journal Articles

Academic Journal

  • Xiao, S., Huang, H., Eisenberg, R., Song, Z., Xu, S., (2025). Potassium Clearance in Optic Nerve: A Multidomain Model. Frontiers in Bioscience-Landmark, 30:7, 39722.
  • Song, Z., Xu, S., Eisenberg, R., Huang, H., (2024). A multi-domain model for microcirculation in optic nerve: blood flow and oxygen transport. arXiv preprint arXiv:2401.08853
  • Xiao, C., Sun, Y., Huang, H., Yue, X., Song, Z., David, T., Xu, S., (2024). Cellular communication among smooth muscle cells: The role of membrane potential via connexins. Journal of theoretical biology, 576, 111627.
  • Bao, X., Huang, H., Song, Z., Xu, S., (2024). Micro-macro modeling of polymeric fluids and shear-induced microscopic behaviors with bond-breaking. Physical Review Fluids, 9:10, 103301.
  • Song, Z., Eisenberg, R., Xu, S., Huang, H., (2023). A bubble model for the gating of Kv channels. IMA Journal of Applied Mathematics, 88:5, 805--836.
  • Xu, S., Eisenberg, R., Song, Z., Huang, H., (2023). Coupled chemical reactions: Effects of electric field, diffusion, and boundary control. Physical Review E, 108:6, 064413.
  • Qin, Y., Huang, H., Song, Z., Xu, S., (2023). Droplet dynamics: A phase-field model of mobile charges, polarization, and its leaky dielectric approximation. Physics of Fluids, 35:8
  • Xu, S., Eisenberg, R., Song, Z., Huang, H., (2023). Mathematical Model for Chemical Reactions in Electrolytes Applied to Cytochrome c Oxidase: An Electro-Osmotic Approach. Computation, 11:12, 253.
  • Wu, X., Gao, D., Song, Z., Wu, J., (2023). Modelling Trypanosoma cruzi-Trypanosoma rangeli co-infection and pathogenic effect on Chagas disease spread. Discrete and Continuous Dynamical Systems-B, 28:2, doi: 10.3934/dcdsb.2022110
  • Cao, X., Fraser, K., Song, Z., Drummond, C., Huang, H., (2021). Machine learning and reduced order computation of a friction stir welding model. Journal of Computational Physics, 110863.
  • Shen, L., Huang, H., Lin, P., Song, Z., Xu, S., (2020). An energy stable C0 finite element scheme for a quasi-incompressible phase-field model of moving contact line with variable density. Journal of Computational Physics, 405, 109179.
  • Song, Z., (2020). Analytical study on phase transition of shape memory alloy wire under uniaxial tension. International Journal of Engineering Science, 152, 103295.
  • Song, Z., Cao, X., Horng, T., Huang, H., (2020). Electric discharge of electrocytes: Modelling, analysis and simulation. Journal of theoretical biology, 498, 110294.
  • Cao, X., Song, Z., Horng, T., Huang, H., (2020). Electric potential generation of electrocytes: Modelling, analysis, and computation. Journal of theoretical biology, 487, 110107.
  • Wu, X., Gao, D., Song, Z., Wu, J., (2020). Modelling triatomine bug population and Trypanosoma rangeli transmission dynamics: Co-feeding, pathogenic effect and linkage with chagas disease. Mathematical biosciences, 324, 108326.
  • Sadiku, J., Song, Z., Wu, J., (2019). Modeling of lone star ticks with deer migration to canada. Journal of Nonlinear Modeling and Analysis, 1:4, 425--442.
  • Song, Z., Wang, J., Dai, H., (2019). On a consistent dynamic finite-strain shell theory and its linearization. Mathematics and Mechanics of Solids, 24:8, 2335--2360.
  • Song, Z., Cao, X., Horng, T., Huang, H., (2019). Selectivity of the KcsA potassium channel: Analysis and computation. Physical Review E, 100:2, 022406.
  • Song, Z., Cao, X., Huang, H., (2018). Electroneutral models for a multidimensional dynamic poisson-nernst-planck system. Physical Review E, 98:3, 032404.
  • Song, Z., Cao, X., Huang, H., (2018). Electroneutral models for dynamic Poisson-Nernst-Planck systems. Physical Review E, 97:1, 012411.
  • Chen, X., Song, Z., Dai, H., (2018). Pointwise error estimate for a consistent beam theory. Analysis and Applications, 16:01, 103--132.
  • Song, Z., Wong, R., (2017). Asymptotics of Pseudo-Jacobi Polynomials with Varying Parameters. Studies in Applied Mathematics, 139:1, 179--217.
  • Song, Z., Dai, H., (2016). On a consistent dynamic finite-strain plate theory and its linearization. Journal of Elasticity, 125:2, 149--183.
  • Wang, J., Song, Z., Dai, H., (2016). On a consistent finite-strain plate theory for incompressible hyperelastic materials. International Journal of Solids and Structures, 78, 101--109.
  • Song, Z., Dai, H., (2016). On a consistent finite-strain shell theory based on 3-D nonlinear elasticity. International Journal of Solids and Structures, 97, 137--149.
  • Song, Z., Dai, H., (2015). Closed-form solutions for inhomogeneous states of a slender 3-D SMA cylinder undergoing stress-induced phase transitions. International Journal of Engineering Science, 88, 40--63.
  • Dai, H., Song, Z., (2014). On a consistent finite-strain plate theory based on three-dimensional energy principle. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 470:2171, 20140494.
  • Song, Z., Dai, H., Sun, Q., (2013). Propagation stresses in phase transitions of an SMA wire: new analytical formulas based on an internal-variable model. International Journal of Plasticity, 42, 101--119.
  • Dai, H., Song, Z., (2011). Some analytical formulas for the equilibrium states of a swollen hydrogel shell. Soft Matter, 7:18, 8473--8483.
  • Xu, S., Song, Z., Eisenberg, R., Huang, H., Interaction of Ionic Solution with Permeable Membranes: A Variational Approach . Journal of Mathematical Study

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Other

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Teaching

Math 5410 - Methods of Applied Math, Fall 2025
MATH 5410 - Methods of Applied Mathematics, Fall 2025
math 2210 - Multivariable Calculus, Fall 2025
MATH 2210 - Multivariable Calculus (QI), Fall 2025
MATH 2210 - Multivariable Calculus (QI), Spring 2025
MATH 5460 - Nonlinear Dynamics, Spring 2025
math 5460 - Nonlinear Dynamics, Spring 2025
MATH 5410 - Methods of Applied Mathematics, Fall 2024
MATH 6910 - Directed Reading and Conference, Spring 2024
MATH 2210 - Multivariable Calculus, Spring 2024
MATH 5410 - Methods of Applied Mathematics, Fall 2023
MATH 5460 - Nonlinear Dynamics, Spring 2023
MATH 5470 - Advanced Differential Equations, Fall 2022
MATH 1220 - Calculus II, Spring 2022
MATH 5620 - Numerical Algorithms for Approximate Solutions of DE, Spring 2022
MATH 2210 - Multivariable Calculus, Fall 2021

Graduate Students Mentored

Joshua Kay, September 2023 - August 2025
Kevin Roberts, September 2023 - August 2025