博士，硕士生导师，主要从事可压缩流体力学方程组的相关问题研究，特别是高维可压缩欧拉方程组的跨声速结构、理想磁流体方程组的绕流和扩散问题等，获得浙江省自然科学基金项目一项；目前已在《SIAM J. Math. Anal.》、《Nonlinear Anal.》、《ZAMM Z. Angew. Math. Mech.》、《Nonlinear Anal. Real World Appl.》、《Z. Angew. Math. Phys.》、 《J. Hyperbolic Differ. Equ.》、《Appl. Math. Lett.》、 《J. Math. Anal. Appl.》、《Commun. Pure Appl. Anal.》、《Commun Math Sci》等国际高水平期刊发表SCI论文多篇，获得校“优秀青年教师”，校第十二届青教赛“十佳青年教师”。

1、Chen, Jianjun; Shen Zhimin; Yin Gan The expansion of a non-ideal gas around a sharp corner for 2-D compressible Euler system.Math. Methods Appl. Sci.(2022) .

2、Chen, Jianjun;Lai, GengSelf-similar solutions of the spherically symmetric Euler equations for general equations of state.Commun. Math. Sci.19 (2021), no. 7,1991–2018.

3、Hu, Yanbo; Chen, Jianjun Sonic-supersonic solutions to a mixed-type boundary value problem for the two-dimensional full Euler equations. SIAM J. Math. Anal. 53 (2021), no. 2, 1579–1629.

4、Chen, Jianjun; Lai, Geng The regularity of semi-hyperbolic patches near sonic curves for the two-dimensional compressible magnetohydrodynamic equations. ZAMM Z. Angew. Math. Mech. 100 (2020), no. 11, e201900016, 19 pp.

5、Chen, Jianjun; Lai, Geng; Sheng, Wancheng On the rarefaction waves of the two-dimensional compressible Euler equations for magnetohydrodynamics. J. Hyperbolic Differ. Equ. 17 (2020), no. 3, 591–612.

6、Chen, Jianjun; Yin, Gan; You, Shouke Expansion of gas by turning a sharp corner into vacuum for 2-D pseudo-steady compressible magnetohydrodynamics system. Nonlinear Anal. Real World Appl. 52 (2020), 102955, 24 pp.

7、Chen, Jianjun; Hu, Dian The supersonic flow onto a curved wedge with magnetic effect. J. Math. Anal. Appl. 477 (2019), no. 1, 380–397.

8、Chen, Jianjun; Lai, Geng Semi-hyperbolic patches of solutions to the two-dimensional compressible magnetohydrodynamic equations. Commun. Pure Appl. Anal. 18 (2019), no. 2, 943–958.

9、Yin, Gan; Chen, Jianjun Existence and stability of Riemann solution to the Aw-Rascle model with friction. Indian J. Pure Appl. Math. 49 (2018), no. 4, 671–688.

10、Chen, Jianjun; Lai, Geng; Zhang, Jiayi Boundary value problems for the 2D steady relativistic Euler equations with general equation of state. Nonlinear Anal. 175 (2018), 56–72.

11、Chen, Jianjun; Yin, Gan The expansion of supersonic flows into a vacuum through a convex duct with limited length. Z. Angew. Math. Phys. 69 (2018), no. 4, Paper No. 101, 13 pp.

12、Chen, Jianjun; Sheng, Wancheng The Riemann problem and the limit solutions as magnetic field vanishes to magnetogasdynamics for generalized Chaplygin gas. Commun. Pure Appl. Anal. 17 (2018), no. 1, 127–142.

13、Luan, Liping;Chen, Jianjun;Liu, JianliTwo dimensional relativistic Euler equations in a convex duct.J. Math. Anal. Appl.461 (2018), no. 2,1084–1099.

14、Chen, Jianjun; Sheng, Wancheng Simple waves of the two dimensional compressible Euler equations in magnetohydrodynamics. Appl. Math. Lett. 75 (2018), 24–29.

15、Chen, Jianjun;Sheng, WanchengTwo-dimensional Riemann problems in angular region for linear hyperbolic systems with real constant coefficients.Commun. Appl. Math. Comput.29 (2015), no. 3,313–321.