[CIG-SHORT] effect of variation in shear modulus

[Brad Aagaard]

Shaoyang,

The contrast in shear modulus affects how the slip is partitioned into 
displacements on the two sides of the fault.

Regards,
Brad


On 12/16/2013 04:08 PM, Shaoyang Li wrote:
> Brad,
>
> Thanks for your reply.
>
> I am not quite understand why using high rigidity contrast among
> materials? Does the high contrast affect surface displacement
> calculation when prescribing coseismic slip on subduction fault? Thanks.
>
> Best Regards
> Shaoyang
>
>
>> Message: 1
>> Date: Mon, 16 Dec 2013 15:55:15 +0100
>> From: "Shaoyang Li" <shaoy at gfz-potsdam.de>
>> To: <cig-short at geodynamics.org>
>> Subject: [CIG-SHORT] Chosen material properties of 2d Tohoku-oki
>>     subduction example in the manual
>> Message-ID: <web-14387594 at cgp2.gfz-potsdam.de>
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>> ------------------------------
>>
>> Message: 2
>> Date: Mon, 16 Dec 2013 07:53:24 -0800
>> From: Brad Aagaard <baagaard at usgs.gov>
>> To: <cig-short at geodynamics.org>
>> Subject: Re: [CIG-SHORT] Chosen material properties of 2d Tohoku-oki
>>     subduction example in the manual
>> Message-ID: <52AF21F4.7090601 at usgs.gov>
>> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed
>>
>> Shaoyang,
>>
>> The material properties were not chosen to be realistic. I based them
>> somewhat on PREM (http://geophysics.ou.edu/solid_earth/prem.html), but
>> mainly chose values to give a strong contrast among the materials.
>>
>> Regards,
>> Brad
>>
>>
>> On 12/16/2013 06:55 AM, Shaoyang Li wrote:
>>> HI,
>>>
>>> I am trying to extend the 2d subduction example in the manual. I fond
>>> the
>>> Young's modulus is very high for the slab (164 GPa).
>>>
>>> Could you please tell the source (or References) for choosing the
>>> material
>>> properties? Thanks a lot.
>>>
>>> Best regards
>>> Shaoyang
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