标题： 循环驱动的非晶固体弹塑性模型中的自组织和记忆 显示英文标题

标题： Self-organization and memory in a cyclically driven elasto-plastic model of an amorphous solid

摘要： 无序材料如浓悬浮液、玻璃或颗粒材料的力学行为取决于它们的热学和力学历史。 在这里，我们报告了一种淬火介观弹塑性（QMEP）模型的记忆行为。 在之前的振荡训练之后，一个简单的读出协议可以获取训练协议的振幅和最后的剪切方向。 方向记忆来源于训练过程中机械极化的形成。 对样本间波动的分析可以直接访问不可逆性转变。 尽管非晶固体中弹性相互作用具有四极子特性，但观察到了接近返回点记忆（RPM）的行为。 准RPM特性被用来构建一个简单的方向记忆的Preisach类似模型。 显示英文摘要

摘要： The mechanical behavior of disordered materials such as dense suspensions, glasses or granular materials depends on their thermal and mechanical past. Here we report the memory behavior of a quenched mesoscopic elasto-plastic (QMEP) model. After prior oscillatory training, a simple read-out protocol gives access to both the training protocol's amplitude and the last shear direction. The memory of direction emerges from the development of a mechanical polarization during training. The analysis of sample-to-sample fluctuations gives direct access to the irreversibility transition. Despite the quadrupolar nature of the elastic interactions in amorphous solids, a behavior close to Return Point Memory (RPM) is observed. The quasi RPM property is used to build a simple Preisach-like model of directional memory.