[CIG-ALL] Webinars, Publications and YOUR Science

[Lorraine Hwang]

January 5, 2015

Dear CIG Community:

Welcome to the New Year!  We hope everyone has had a restful and joyous break.  The year is starting off very busy here at CIG HQ as we ready ourselves to begin writing the proposal for the next phase of CIG (CIG III).  Keep an eye out for ways to become involved in the discussion.  In the meantime, you can contributed by:

Updating CIG on your 2014 publications that used CIG codes.  This is has simple as:
a. sending DOI’s to: pubs at geodynamics.org <mailto:pubs at geodynamics.org>, or
b. going to our website and navigating to: News & Publications > Publications > submit
http://geodynamics.org/cig/news/publications/submit/ <http://geodynamics.org/cig/news/publications/submit/>

Providing a one-page summary of the research your research using CIG resources using the following template:

Don’t forget a colorful figure illustrating your research. Examples from the CIG II proposals can be downloaded through the following link:
http://geodynamics.org/cig/download_file/55/ <http://geodynamics.org/cig/download_file/55/>

Please get together with your colleagues and help us present CIG’s impact on geodynamics research for the CIG III proposal. For some of you, consider multiple submissions representing the breadth of your initiatives as well as connections with colleagues. Please feel free to forward this email to colleagues who may not be on this mailing list.  Submit to me by January 30, 2015.

Lastly, next week’s webinar begins a series of talks on verification and validation efforts by the CIG community.  Join us for a joint presentation from Prof. Louise Kellogg and Dr. Pierre Arrial on, Influence of numerical discretization on preferred thermal convection patterns in a 3-D spherical shell on Thursday, January 15 @ 2pm PT:
3-D numerical simulations of thermal convection in a spherical shell have become a standard for studying the dynamics of pattern formation and its stability under perturbations to various parameter values. The question arises as to how the discretization of the governing equations affects the outcome and thus, any physical interpretation. Motivated by numerical simulations of convection in the Earth’s mantle, we consider isoviscous Rayleigh–Bénard convection at infinite Prandtl number. We show that the subtleties involved in developing mantle convection models are considerably more delicate than has been previously appreciated, due to the rich dynamical behavior of the system. Two codes with different numerical discretization schemes – an established, community developed, and benchmarked finite-element code (CitcomS) and a novel spectral method that combines Chebyshev polynomials with radial basis functions (RBF) – are fully compared. A third code (ASPECT), using finite-element, is also tested for the comparison and reproduces partially results with other methods. This work demonstrates the impact of numerical discretization on the observed patterns, the value at which symmetry is broken, and how stability and stationary behavior is dependent upo

You may connect to the meeting through the link provided below or through our home page at geodynamics.org <http://geodynamics.org/>: 
	
      https://uc-d.adobeconnect.com/_a841422360/r28i3av93ti/ <https://uc-d.adobeconnect.com/_a841422360/r28i3av93ti/>

More complete instructions can also be found at:
      http://geodynamics.org/cig/events/webinars/ <http://geodynamics.org/cig/events/webinars/>

Remember to test your connection ahead of time. 

Past CIG seminars are available on our website and YouTube Channel.
Best,
Lorraine

***************************
Lorraine Hwang, PhD
Associate Director, CIG
530.752.3656

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