Karen joined Itasca Australia in 2017, and with a background in marketing and process improvement, she provides administration support to the team and manages software sales for the region.
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.
Dr. Sharrock has 15 years industry experience in a wide range of rock mechanics positions such as Principal Geotechnical Engineer (Newcrest Mining NL), Rock Mechanics Engineer (Mt Isa Mines), Senior Geotechnical Consultant (AMC Consultants), Senior Lecturer in Geotechnical Engineering (UNSW) and Associate Professor - Caving Geomechanics (UQ).
The Universal Distinct Element Code (UDEC) is a two-dimensional
numerical program that simulates the quasi-static or dynamic response to
loading of media containing multiple intersecting joint structures.
The discontinuous medium is represented as an assemblage of discrete
blocks while the discontinuities are treated as boundary conditions
between blocks. Large displacements along discontinuities and rotations
of blocks can occur. UDEC utilizes an explicit solution scheme that can
model complex, nonlinear behaviors.
Models may contain a mix of rigid or deformable blocks. Deformable
blocks are defined by a continuum mesh of finite-difference zones, with
each zone behaving according to a prescribed linear or nonlinear
stress-strain law. The relative motion of the discontinuities is also
governed by linear or nonlinear force-displacement relations for
movement in both the normal and shear directions. Joint models and
properties can be assigned separately to individual, or sets of,
Because UDEC is not limited to a particular type of problem or initial
condition, it may be applied to a wide variety of physical behaviors
or any case where an understanding of the two-dimensional response of
such structures is needed. UDEC is capable of simulating a wide range of engineering and scientific analyzes including: stability analysis of jointed rock slopes or underground excavations; fluid or gas flow through jointed rock; stability of masonry structures, dams, and foundations; blasting, earthquakes, and microseismicity; among many more applications.
Optional features are specialized modules that can be added to UDEC at an additional cost for additional simulation tools.
Barton-Bandis Joint Analysis: The Barton-Bandis
joint model utilizes a series of empirical relations for joint normal
behavior and joint shear behavior based on the effects of surface
roughness on discontinuity deformation and strength as described by Barton (1982) and Bandis et al. (1985).Creep Material Analysis: The creep option can be used to simulate the behavior of materials that time-dependent material behavior.
User-Defined Models (UDM): With this option, users may create their own contact or zone constitutive model for use in UDEC using C++ scripting.
Thermal Analysis: The
thermal model simulates the transient flux of heat in materials and the
subsequent development of thermally induced stresses. The heat flux is
modeled by either isotropic or anisotropic conduction. Heat sources can
be added and can be made to decay exponentially with time.
This policy applies to the site www.itasca.com.au (hereinafter the "Site").
A cookie is a small text file in alphanumeric format deposited on the
hard disk of the user by the server of the Site visited or by a third
party server (advertising network, web analytics service, etc.). When
you log on to our Site, we may install various cookies on your device.
The cookies we issue are:
In accordance with the regulations, cookies are kept for 13 months.
By browsing our site, you can click on the "social networks" buttons to consult our LinkedIn profile and our YouTube page. By clicking on the icon corresponding to the social network, the latter is likely to identify you. If you are connected to the social network during your navigation on
our Site, the sharing buttons allow you to link the contents consulted
to your user account. Google, through Google Analytics, places cookies and tracks the site's audience. We can not control the process used by third-party applications to collect information about your browsing on our Site. We
invite you to consult their policy of protection of personal data to
know their purpose of use and the navigation information they can
When you visit our Site for the first time, a cookies banner
will appear indicating the purposes of the cookies. Please note that
further navigation on the Site is equivalent to giving your consent to
time to adapt the management of cookies according to your preferences,
disable them or express a different choice via the means described
access to a number of features necessary to navigate certain areas of
For the management of cookies and your choices, each browser offers a different configuration.
For Internet Explorer 8:
For Internet Explorer 10 and 11:
According to the GDPR, you have the right to access, rectify, oppose,
delete and limit information from cookies and other tracers. You also
have the right to withdraw your consent. For this, please contact [email protected].