Welcome to the Winter
2006 Issue of the GoldSim Newsletter!
The mission of
the GoldSim Technology Group is to provide state-of-the-art
software, training and expert consulting to help you understand
complex systems and make better decisions in an uncertain
world. Our GoldSim simulation software package provides the
power, flexibility and usability necessary to efficiently
simulate and understand the future behavior of complex systems
in business, engineering and science.
The purpose of the GoldSim Newsletter is to provide information
that helps you get the most out of GoldSim. Like you, we don't
like getting lots of unnecessary email in our Inbox, so we
only send out our newsletter if we have something useful to
communicate. This issue of the Newsletter focuses on a new
release of GoldSim, and also presents several other items
of interest, including a reminder about our upcoming User
Conference, an article describing how you can leverage the
diversity of the GoldSim user community, and a discussion
of some of the key features planned for our next major release,
scheduled for the summer of 2006.
Note that each Newsletter is archived
on our website so you can view old issues.
Since this newsletter is for you, we encourage you to send
us your comments and contributions. Send your contributions
GoldSim Technology Group
Version 9.2 of GoldSim Released
Version 9.2 provides a number of enhancements to the Contaminant
Transport and Radionuclide Transport (CT and RT) modules.
The Species elements information can now be exported
to and imported from a spreadsheet. This allows for the
transfer of a species list, along with decay properties,
between GoldSim models. Also, new options allow for specification
of decay rates as either rates or half lives, and for sorting
of the species list by either name or atomic weight.
The Source element has been significantly modified and
streamlined, and now serves as a Container element.
The Cell-net Generator element has been enhanced with better
support for axisymmetric models, direct links to media types,
and an option for anisotropic diffusion properties.
The Network Pathway element, typically used to represent
transport through fractured rock masses, has been enhanced
to support Watch Groups which track the mass
flux through selected windows within the system.
This allows the user to monitor the progress of transport
through a complex network.
Version 9.2 also includes a number of performance enhancements,
bug-fixes, and user-interface improvements, including significant
enhancements to the performance and stability of linkages
to Excel spreadsheets. Therefore, even if you are not a CT/RT
user, you are strongly encouraged to upgrade to this version.
All current members of the GoldSim
Subscription Program can download Version 9.2 now from
the GoldSim Resource Center (GRC).
GoldSim User Conference to be Held in Vancouver, British
Columbia, June 6-7, 2006
The 2006 GoldSim User Conference will be held in Vancouver,
British Columbia, Canada on Tuesday and Wednesday, June 6-7,
2006. Prior to the conference, we will offer a free one-day
Basic GoldSim training and refresher course on June 5, 2006.
We are excited about this year's conference, which will be
a terrific opportunity for you to share experiences with other
users and the GoldSim developers, and to provide input for
the future development of GoldSim.
The agenda for the two-day conference will include workshops
and seminars to improve your GoldSim skills, presentation
of a number of invited papers from our most experienced and
knowledgeable users on topics of general interest, a poster
session so you can see how other users are applying GoldSim,
a model contest so you can show off your GoldSim skills (and
learn from others), and several breakout sessions so users
with common interests can share ideas.
As always, we will schedule several social events in the
evenings so you can enjoy the sights of one of the world's
most beautiful cities while networking with fellow GoldSim
users, including shopping and dinner on Granville Island,
and an evening dinner cruise.
GoldSim User Community
Leveraging Knowledge Within the GoldSim User Community
The GoldSim user community is quite diverse, with users in
over 400 commercial, government and academic organizations
worldwide. These organizations use GoldSim for a wide range
of applications, including managing water resources, reducing
environmental risks associated with hazardous and radioactive
waste, modeling insurance risk, evaluating alternative business
strategies, predicting disease transmission, optimizing mine
and other industrial operations, and designing complex engineered
systems, such as computer networks and space missions. GoldSim
is also widely used geographically, with users in at least
25 countries around the world.
With such a wide range of applications and users, it is almost
certain that someone out there has GoldSim modeling knowledge
and experience that would be of value to you. The question
is: how can you best leverage this? This article describes
our current user community, points out some ways you can currently
leverage this community, and describes some new user community
features that we will introduce in the near future (e.g.,
online user discussion forums).
Here are some of the things that we are working on for our
next version (code named Glacier), which we are hoping to
release in summer 2006:
Stochastic Optimization. The Optimization capability
introduced in Version 9 will be enhanced to allow you
to optimize uncertain systems. It's going to take some
time to run these analyses, but you will be able to address
problems such as "Adjust my pricing scheme so as
to maximize my expected profits, while having no more
than a 10% chance of going broke".
Two-Dimensional Monte Carlo. We're adding a capability
for you to embed one GoldSim model inside another. This
should be particularly useful for cases where you need
to separate the effects of uncertainty from randomness/variability.
You will be able to have an outer Monte Carlo model that
samples the uncertain parameters, and an inner model that
simulates system performance subject to random effects.
User-Defined Custom Elements. This feature will
allow users to create a complex model in a Container,
and then "encapsulate" the Container. Encapsulation
involves locking the Container so that no one can look
inside at all (without a password), and building a custom
user-interface for the Container (listing inputs and outputs).
An encapsulated Container will effectively be a custom
element that can be reused and distributed.
Interrupt Element. This new element will allow
you to specify a condition that will cause the simulation
to pause (or completely stop) and produce a user-defined
message to be displayed.
As always, we encourage our users to send their requests
and suggestions for improvements to GoldSim. If you have a
specific request, please contact us at firstname.lastname@example.org.
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