标题： 疏松软粒子惯性悬浮液的不连续剪切增稠现象 显示英文标题

标题： Discontinuous shear thickening of a moderately dense inertial suspension of hydrodynamically interacting frictionless soft particles

摘要： 我们证明了即使在适度密集、有惯性的流体动力学相互作用的无摩擦软颗粒悬浮液中，也可以发生不连续剪切增稠（DST）。通过使用润滑-摩擦离散单元法，我们的模拟显示，在较低的粒子密度下也可以出现DST，前提是悬浮粒子的惯性和柔软度都足够显著。此外，我们还表明，在这些条件下，从模拟中获得的DST行为与由运动理论预测的行为在定性上一致，即使没有考虑流体力学相互作用。这些发现扩展了对软颗粒系统中DST的理解，并强调了粒子惯性和柔软度在控制流变行为中的重要性。 显示英文摘要

摘要： We demonstrate that discontinuous shear thickening (DST) can occur even in moderately dense, inertial suspensions of hydrodynamically interacting, frictionless soft particles. Using the Lubrication-Friction Discrete Element Method, our simulations reveal that DST can emerge at lower particle densities, provided that both the inertia of the suspended particles and their softness are sufficiently pronounced. Furthermore, we show that, under these conditions, the DST behavior obtained from the simulation qualitatively agrees with that predicted by kinetic theory, even without accounting for hydrodynamic interactions. These findings expand the understanding of DST in soft particle systems and highlight the importance of particle inertia and softness in controlling rheological behavior.