同时考虑了用应力与应变表示的屈服与压碎双重准则。
A dual criterion for yielding and crushing in terms of stresses and strains is considered.
然后以压碎区应力与变形的真实状态为基础，运用动量与质量守恒关系推导了爆破压碎区新型的速度场关系式。
According to true state of the stress and the strain near the cavity, a new formula of velocity field has been deducted by use of the conservation laws of momentum and mass.
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