弹性力学变分原理的先决条件、补充条件和反映的规律一起正是弹性力学全部基本方程。
The preconditions, additional conditions and reflection laws of variational principle are the complete elementary equations in elasticity.
作为哈密顿力学逆问题，从弹性力学基本方程推导出弹性力学中一个新的哈密顿系统及其变分原理。
As an inverse problem of Hamiltonian mechanics, a new Hamiltonian system in elasticity and its variational principle are derived from the basic equations of elasticity.
本文从弹性力学分区变分原理出发，提出一种新的有限元与边界元的对称耦合方法。
The paper presents a new symmetric coupling approach of BEM and FEM, which is based on the sub-region variational principle.
本文从弹性力学分区变分原理出发，提出一种新的有限元与边界元的对称耦合方法。
The paper presents a new symmetric coupling approach of BEM and FEM, which is based on the sub-region variational principle.
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