Web19 Jun 2008 · The flow-rock failure process analysis (F-RFPA 2D) code with an improved flow-stress-damage (FSD) model was adopted to perform the failure and coupling … Web2 Dec 2003 · A numerical analysis has been conducted to evaluate the effect of confining pressure on the damage evolution and the fracture process of brittle rock materials by …
Micromechanical Model for Simulating the Fracture Process of Rock …
Web1 Sep 1998 · Two particular cases concerning crack propagation and coalescence in brittle materials have been modeled by using the rock failure process analysis code, RFPA 2D, … Web1 Jan 2012 · Briefly, the code RFPA2D [11] is a two-dimensional finite element code that can simulate the fracture and failure process of quasi-brittle materials such as rock. To model … newport beach night clubs
Numerical simulation of stress wave propagation in joint rock specimens
Web29 Jun 2024 · The deformation failure mechanism, deformation failure process, potential failure mode, and overload capacity of solid tunnel anchor were studied. ... in addition to the conventional rock mechanics test and numerical analysis, the field-scale model experiment and model experiment were also the research methods commonly used in TTA … WebA three dimensional codes-RFPA 3D was also developed and used to study the failure process . Zhu et al. (2015) used RFPA to study fracturing process of rock mass around underground excavations . Tang et al. (2001) studied the crack process of brittle rock with existing flaws based on the code . Web6 Apr 2024 · An underground coal gasification (UCG) process is strongly exothermic, which will cause thermal damage on rock cap. We proposed a new thermal damage numerical model based on a two dimension particle flow code (PFC2D) to analyze the inception and extension of cracks on pre-cracked red sandstone, which were thermally treated at a … intrusive thoughts while driving