Numerical simulation of laser-generated ultrasonic waves in steel with gradient changes of near-surface elastic property;
激光在近表面弹性性质梯度变化的材料中激发超声波的数值分析
The Gibbs free energy of the liquid crystal cell is derived, which includes surface elastic free energy term k_(13).
导出了液晶盒的吉布斯自由能,其中包括表面弹性自由能k13 项。
