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.
Mr. Hughes has extensive experience working at ICL on developing enhancements to the InSite application including a new 3D visualizer, tools for velocity model calibration, array analysis, discrete fracture network inversion, source scan location and the real-time triggering of data from miniSEED files and multiple arrays.
He has also revised and enhanced the data acquisition software used with ICL’s laboratory test equipment. His expertise is in the use of the C++ programming language using Visual Studio. In addition to this, he has extensive experience using MFC, OpenGL, HDF5, SQL Server, .NET and TCP/IP socket programming.
In total, he has over 30 years of experience developing software, mainly PC based, but also hosted on embedded and IP telephony platforms. Mr. Hughes holds a B.A. in Physics from Oxford University.
Itasca performs analyses for concrete/masonry dams (including arch, gravity, RCR - roller compacted concrete) and embankment dams (earth, rockfill, and mine tailings dams), including:
Itasca has also evaluated numerous dam spillways and underground powerhouses.
By analyzing ground strength, stresses, and dynamic events, Itasca can estimate foundation, slope, tunnel, and cavern stability, and suggest successful remedial solutions as needed. Itasca assesses risk by interpreting modeling results and incorporating onsite monitoring information where available. Selected examples of Itasca dam projects can be seen in the following table.
Bin el Ouidane
Laguna del Maule
From proposal to conclusion of a project, Itasca engineers are committed to minimizing risk and maximizing reliability. Frequently, a key to understanding dam behavior is accurate prediction of water pressures and flow within the dam components and its foundations. Itasca has experts in water flow in both porous media and jointed rock. We can examine the causes of leakage and erosion, predict failure modes and evaluate the results of remedial measures. Structural elements, artificial interfaces, and natural jointing can be included in models to predict the effectiveness of rock and soil reinforcement and reduced-permeability zones may be included to predict the viability of grouting and curtain walls. Itasca also has considerable experience incorporating material creep and thermal-hydro-mechanical coupling in evaluating seasonal variations in temperature and water level and concrete curing.
The dynamic behavior of dams can be simulated by performing nonlinear analysis of dam behavior in the time domain. Hydrodynamic interaction between the dam and reservoir can also be represented. In many places, the dynamic behavior of a dam during dynamic events is critical, with re-evaluation of existing dams becoming more important for jurisdictions with evolving design codes. Itasca engineers can perform fully non-linear analyses of a dam’s response to dynamic loading in the time domain. The behavior of the dam in real time allows design weaknesses to be identified and corrected. The effects of earthquakes, blasting, soil liquefaction, hydrodynamic influences, and water flow can all be modeled to predict any design weaknesses and optimize remediation for enhanced safety and longer infrastructure life.
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