Anisotropic rock real shear fracture calculation method based on Brazilian disc experiment consideration
The invention discloses an anisotropic rock real shear fracture calculation method based on Brazilian disc experiment consideration. The method specifically comprises the steps that physical and mechanical parameters, engineering geological environment parameters and bilateral notch Brazilian disc g...
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| creator | ZHANG YUN XUE YI LIANG XIN LIU JIANQIANG ZHOU YANG TENG TENG YANG BOKUN SU SHANJIE SHI XUYANG |
| description | The invention discloses an anisotropic rock real shear fracture calculation method based on Brazilian disc experiment consideration. The method specifically comprises the steps that physical and mechanical parameters, engineering geological environment parameters and bilateral notch Brazilian disc geometric parameters of deep anisotropic reservoir rock are collected; according to the geometric parameters, drawing a rock mass computational domain for simulating real shear fractures at different bedding angles; a plurality of physical fields such as a solid mechanical field, a historical strain field and a phase field are added to the computational domain, a mutually-coupled anisotropic real shear phase field model is established, a staggering scheme is adopted for solving coupling, the displacement loading rate is kept unchanged, and the steps are repeated till the rock is completely sheared and fractured. According to the method, anisotropic characteristics of the rock and engineering geological environment c |
| format | Patent |
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The method specifically comprises the steps that physical and mechanical parameters, engineering geological environment parameters and bilateral notch Brazilian disc geometric parameters of deep anisotropic reservoir rock are collected; according to the geometric parameters, drawing a rock mass computational domain for simulating real shear fractures at different bedding angles; a plurality of physical fields such as a solid mechanical field, a historical strain field and a phase field are added to the computational domain, a mutually-coupled anisotropic real shear phase field model is established, a staggering scheme is adopted for solving coupling, the displacement loading rate is kept unchanged, and the steps are repeated till the rock is completely sheared and fractured. 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The method specifically comprises the steps that physical and mechanical parameters, engineering geological environment parameters and bilateral notch Brazilian disc geometric parameters of deep anisotropic reservoir rock are collected; according to the geometric parameters, drawing a rock mass computational domain for simulating real shear fractures at different bedding angles; a plurality of physical fields such as a solid mechanical field, a historical strain field and a phase field are added to the computational domain, a mutually-coupled anisotropic real shear phase field model is established, a staggering scheme is adopted for solving coupling, the displacement loading rate is kept unchanged, and the steps are repeated till the rock is completely sheared and fractured. 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The method specifically comprises the steps that physical and mechanical parameters, engineering geological environment parameters and bilateral notch Brazilian disc geometric parameters of deep anisotropic reservoir rock are collected; according to the geometric parameters, drawing a rock mass computational domain for simulating real shear fractures at different bedding angles; a plurality of physical fields such as a solid mechanical field, a historical strain field and a phase field are added to the computational domain, a mutually-coupled anisotropic real shear phase field model is established, a staggering scheme is adopted for solving coupling, the displacement loading rate is kept unchanged, and the steps are repeated till the rock is completely sheared and fractured. According to the method, anisotropic characteristics of the rock and engineering geological environment c</abstract><oa>free_for_read</oa></addata></record> |
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| title | Anisotropic rock real shear fracture calculation method based on Brazilian disc experiment consideration |
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