系统地研究了双曲松弛系统(偏微分方程组),找到了这类问题的根本共性,建立了系统的数学理论;创立了非平衡态热力学的守恒耗散理论(CDF),提出了迄今唯一正确的描述可压缩粘弹性流体流动的数学方程;建立了格子波尔茨曼(LBM)方法的稳定性。代表性论文如下:
[1] Newtonian limit of Maxwell fluid flows , Arch. Rational Mech. Anal. 214, 913-922, 2014
[2] Entropy and global existence for hyperbolic balance laws, Arch. Rational Mech. Anal. 172,
247-266, 2004
[3] Boundary conditions for hyperbolic systems stiff source terms, Indiana Univ. Math. J. 48, 115-137, 1999
[4] Conservation-dissipation formalism of irreversible thermodynamics, J. Non-Equilib. Thermodyn. 40, 67–74, 2015 (with Yi Zhu, Liu Hong and Zaibao Yang)
[5] Boundary stabilization of hyperbolic balance laws with characteristic boundaries, Automatica 101,252--257, 2019.
[6] Weighted $L^2$-stability of the lattice Boltzmann method, SIAM J. Numer. Anal. 47:3, 1651--1665, 2009 (with Michael Junk)