Mr. Flynn is an applied physicist with a diverse technical background with over 20 years of experience in instrumentation and measurement systems, with a focus on acoustic emission and ultrasonic monitoring for the past 8 years.
He is the General Manager of the ICL office and also the product manager for ICL’s range of hardware products.
The Fifth International Itasca Symposium will be held at the University of Vienna (Austria). The Symposium will features the application of Itasca software for solving engineering and scientific challenges in geomechanics, hydrogeology, microseismicity, and more.
Nicola has a degree in geology from the University of Portsmouth and has previous experience in working in the mining and waste management business sectors.
She is responsible for maintaining ICL’s ISO9001 quality standard and has responsibility for all aspects of Itasca software codes and administrative support for ICL’s own software InSite, as well as the day to day running of the office.
Itasca acoustic emissions technology along with its seismic processing software InSite-Lab has been used in research laboratories for a wide range of scientific studies. Some specific example applications include the following.
Micromechanics of Faulting During Triaxial and True-triaxial Deformation
Acoustic emission technology allows for the localization of pervasive micro-fracturing during dilatancy, and coalescence of micro-fractures during the formation of a macroscopic fracture, which leads to an improved understanding of rock failure.
Initiation and Propagation of Hydraulic Fracture under Triaxial Stresses
The study of hydraulic fractures is of interest to mining, oil and gas, and enhanced geothermal systems industries. Acoustic emission technology allows for the study of various hydraulic fracture parameters, such as injection rate, fluid viscosity, and stress ratio, by extracting the location and mechanisms of micro-deformations during hydraulic fracture propagation.
Fracture Initiation and Propagation During Three-point Bending Tests on Steel Reinforced Concrete
Acoustic emission technology is routinely used to monitor concrete civil structures in the field and test them in the laboratory. Analysis of acoustic emissions is used to localize damage during deformation, which allows for the influence of concrete microstructure on nucleation and propagation to be studied.
Micromechanics of Friction During Sawcut Triaxial Stick-slip Experiments
During a laboratory stick-slip experiment, acoustic emission technology is used to monitor the rupture of micro-scale asperities and subsequent rupture of the macroscopic fault surface. Acoustic emissions are analyzed to determine the spatiotemporal evolution of fracture events and their mechanism and improve our understanding of the complex dynamics of frictional sliding.
Thermal Fracturing Related to Long Term Nuclear Waste Storage
The state of damage around nuclear waste containment tunnels can be influenced by temperature. Fracture initiation due to heating is studied in the laboratory and in underground Radwaste research facilities using acoustic emission technology.
Seismicity Preceding Volcanic Eruption
Long-period seismic events that have been observed to precede a volcanic eruption can be simulated in the laboratory and studied using acoustic emissions. The study of waveform spectral changes can be used to improve our understanding of volcanic mechanisms.
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