Fractures play an important role in most carbonate and unconventional reservoirs. Precise identification of fractures and their associated properties from seismic data have significant impact on reservoir management and hydrocarbon recovery. Traditional seismic methods for fracture identification and characterization, such as shear birefringence and amplitude variations with offset and azimuth,...

Fluid flow and tracer transport in a fractured Bot Dry Rock (HDR) geothermal reservoir are modeled using fracture network modeling techniques. The steady state pressure and flow fields are solved for a two-dimensional, interconnected network of fractures with no-flow outer boundaries and constant-pressure source and sink points to simulate wellbore-fracture intersections. The tracer response is...

Complex topology of fracture networks and interactions between transport processes in a fracture and the ambient un-fractured rock (matrix) combine to render modeling solute transport in fractured media a challenge. Classical approaches rely on both strong assumptions of either limited or full diffusion of solutes in the matrix and simplified fracture configurations. We analyze fracture-matrix ...

The aim of the present paper is a systematic elaboration of a three dimensional finite element analysis tool for discontinuous fracture in brittle solids. Brittle or quasi-brittle fracture usually occurs when a material reaches the limit of its strength and no plastic deformation has been observed prior to failure. In this novel approach, this kind of failure is characterized by three sets of g...

will preside Professor P. Balaram, Director Date : Tuesday, 11th October 2011 Venue : Faculty Hall, Main Building Time : 4-00 p.m INDIAN INSTITUTE OF SCIENCE BANGALORE Fracture Behaviour of Bulk Metallic Glasses Cordially invites you to the on by Professor Narasimhan Ramarathnam Department of Mechanical Engineering INSTITUTE COLLOQUIUM Tea: 5-15 p.m Reception Hall Bulk Metallic Glasses (BMGs) a...

a typical iranian carbonate matrix block surrounded by an open fracture was modeled in order to understand the fracture-matrix interaction and realize how to model the interaction best. the modeling was carried out by using a fine-scaled eclipse model in the single porosity mode (the fractures were explicitly modeled). the model was extended to a stack of 6 matrix blocks to understand block-to-...

Fractures in geologic media are known to provide preferential pathways for fluid flow and transport of contaminants. Computations of flow and transport in fracture networks are usually performed using either a discrete fracture network (DFN) modeling approach or a continuum based approach. The DFN approach explicitly model individual elements of a network and thus is considered to provide accur...

We present numerical simulations of gold nanowires under tensile loading at various strain rates and wire sizes at room temperature. The simulations were performed using molecular dynamics modeling the gold nanowires using various forms of the embedded-atom method, and concentrated on investigating the yield and fracture properties of the nanowires. It is clearly demonstrated that the accurate ...