[Geoqus] Convection in the mantle wedge

[Peter Connolly]

Chris

 Klaus Regenauer-lieb whom last I heard was in Australia did similar work involving subduction in the ‘90’s. He may have pointers. For sure, he was using explicit.
Peter

From: Chris Salomon
Sent: 18 January 2018 04:33
To: geoqus at lists.ruhr-uni-bochum.de
Subject: [Geoqus] Convection in the mantle wedge

Dear Geoqus Group,

I'm currently trying to simulate a steady-state temperature  
distribution for the upper 400km of a generic subduction zone using  
Abaqus but I'm not able to include a kind of mantle wedge convection  
into the model.


I know that e.g. Antje Kellner already did this in her PhD 2007 but to  
me it isn't clear what she really did.


I already tried using a mass flow rate and surface film conditions but  
it failed. I also thought about material rotations inside the mesh but  
didn't find a way to realise it.

My problem is that I want to use an already developed subduction zone  
geometry for that it's not possible to do a transient analysis over  
several mega years.


Maybe some of you know how to achieve the acquired temperature model.

I also would like to contact Mrs. Kellner but didn't find a way to do  
so. I already contacted Mrs. Nina Kukowski, her foremost supervisor,  
but she doesn't respond.


I would be grateful for any suggestions.


Kind regards
Chris Salomon

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