中文摘要：

在这份报纸，在热吃惊下面的一个维的铜杆的 thermoelastic 问题被采用嵌入的原子方法潜力用分子的动力学方法模仿。杆在轴 x 上，哪个是免费的拖拉的左最外面的表面和恰好最外面的表面被修理。免费边界状况在方向 y 和 z 在最外面的表面上被强加。杆的左、正确的结束受到热并且冷水澡分别地。温度，排水量和压力分布在不同时刻沿着杆被获得，它被显示在活动区域有限，显示热繁殖速度有限而非无限。这与预言由概括 thermoelastic 理论给一致。从模拟结果，我们发现热传导的速度与热压力波浪的速度一样。在现在的纸，模拟用大规模原子 / 分子的大规模平行的模拟器被进行并且完成了可视化软件。关键词嵌入原子方法潜力 - 分子的动力学模拟 - 联合的 Thermoelastic - 热应力工程被中国(10872158 ) 的国家自然科学基础支持。

英文摘要：

In this paper, thermoelastic problem of onedimensional copper rod under thermal shock is simulated using molecular dynamics method by adopting embedded atom method potential. The rod is on axis x, the left outermost surface of which is traction free and the right outermost surface is fixed. Free boundary condition is imposed on the outermost surfaces in direction y and z. The left and right ends of the rod are subjected to hot and cold baths, respectively. Temperature, displacement and stress distributions are obtained along the rod at different moments, which are shown to be limited in the mobile region, indicating that the heat propagation speed is limited rather than infinite. This is consistent with the prediction given by generalized thermoelastic theory. From simulation results we find that the speed of heat conduction is the same as the speed of thermal stress wave. In the present paper, the simulations are conducted using the large-scale atomic/molecular massively parallel simulator and completed visualization software.