Axisymmetric elasticity problem of cubic quasicrystal is reduced to a solution of a partial differential equation with higher-order by introducing displacement function.
本文通过
移函数使得立
准晶的轴对称弹性问题化为求解一高阶偏微分程。
程(式)Axisymmetric elasticity problem of cubic quasicrystal is reduced to a solution of a partial differential equation with higher-order by introducing displacement function.
本文通过移函数使得立准晶的轴对称弹性问题化为求解一高阶偏微分程。
Starting with Lagrange equations of the first kind, pure differential equations of multibody systems with rheonomic constraints are established.
根据变换程
约束程显含时间的等价性，提出了
约束系统判据的等同表述。
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