Results 31 to 40 of about 167,670,099 (290)
Study of Dynamic Brittle Fracture of Composite Lamina Using a Bond-Based Peridynamic Lattice Model
We proposed a bond-based peridynamic lattice model for simulating dynamic brittle fracture of 2D composite lamina. Material orthogonal anisotropy was represented by rotating topological lattice structure instead of fiber directions. Analytical derivation
Jushang Guo +4 more
doaj +1 more source
Existence of solutions to a regularized model of dynamic fracture [PDF]
Existence and convergence results are proved for a regularized model of dynamic brittle fracture based on the Ambrosio–Tortorelli approximation. We show that the sequence of solutions to the time-discrete elastodynamics, proposed by Bourdin, Larsen ...
Larsen, CJ +8 more
core +1 more source
Fracture mechanisms and failure criteria of adhesive joints and toughened epoxy adhesives [PDF]
PhDAdhesive bonded applications are used widely in industry because of significant advantages such as uniform stress distribution, and the ability to join different materials.
Xu, Botao
core +4 more sources
Rapid modeling of space structure of rock mass and the method of equivalent assignment
Accurately grasping the spatial distribution characteristics of fractures is an important basis for computation and analysis of rock engineering. On the basis of field investigation, probability statistics, and numerical simulation, the fast modeling ...
Zhouquan Luo +5 more
doaj +1 more source
Characterizing natural fractures has a decisive effect on production forecasts in fractured oil and gas reservoirs. Discrete Fracture Networks (DFN) constitutes the main modeling framework for fractured geosystems.
Hongbing Xie +6 more
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Numerical model of fracture growth in hydraulic re-fracturing
Simulation of fracture propagation with FEM method generates the need of re-meshing to provide more accurate results. This raises a question of determining the direction and criterion of mesh modification. In the case of general-purpose CAE-packages, we deal with a stationary mesh, and the fracture path is usually represented as a chain of elements ...
Smetannikov, Oleg Yurievich +3 more
openaire +5 more sources
Comparison Between Numerical Analysis and Actual Results for a Pull-Out Test
The paper describes a computer analysis of the pull-out test used to determine the force needed to pull out a fragment of rock and the shape of this broken fragment. The analyzed material is sandstone and porphyry.
Jakub GONTARZ +4 more
doaj +1 more source
Modeling fluid flow in three-dimensional fracture networks is required in a wide variety of applications related to fractured rocks. Numerical approaches developed for this purpose rely on either simplified representations of the physics of the ...
D. Roubinet +4 more
doaj +1 more source
Structure plane is one of the important factors affecting the stability and failure mode of rock mass engineering. Rock mass structure characterization is the basic work of rock mechanics research and the important content of numerical simulation.
Peitao Wang +5 more
doaj +1 more source
Deep Graph Learning-Based Surrogate Model for Inverse Modeling of Fractured Reservoirs
Inverse modeling can estimate uncertain parameters in subsurface reservoirs and provide reliable numerical models for reservoir development and management. The traditional simulation-based inversion method usually requires numerous numerical simulations,
Xiaopeng Ma +4 more
doaj +1 more source

