Simulation test of fracturing fluid solid - carrying behavior in fracture 2泡沫压裂液的管流阻力特性
Most of them are fatigue cracks , which are mainly caused by the excessive alternating stress induced by fluid solid coupling resonance 大部分叶片裂纹是疲劳裂纹,主要由流固耦合共振诱发的过大交变应力引起。