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.
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。
Four typical mechanics problems, especially the inverse problem of fracture mechanics, are discussed in detail.
本文还概要讨论了裂纹技术中四个典型的力学问题，特别是断裂力学的逆问题。
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