The proposed yield function is independent of hydrostatic pressure. So, except for such cases, strain rates can be calculated for any loading condition.

超声速静压探针程序，采用有旋特征线法求解旋成体绕流流场，能给出任意马赫数下的壁面沿程压力分布情况，给出壁面静压恢复到自由来流静压的位置；(Supersonic hydrostatic probe program)