[CIG-SEISMO] How to determine moment tensor in SPECFEM2D

[Daoyuan Sun]

Dear all,

We have recently updated the approach used in Helmberger & Vidale's paper.
The details can be found in the manuscript we are preparing:

http://www.gps.caltech.edu/~dli/fd2d.pdf

Sincerely,

Daoyuan

On Feb 4, 2014, at 8:18 AM, Jeroen Tromp <jtromp at princeton.edu<mailto:jtromp at princeton.edu>>
 wrote:

Dear all:

In the context of this discussion, this paper may also be of interest:

Helmberger & Vidale, BSSA, 78(1), 109-121

Sincerely,

Jeroen Tromp


On 2/4/14, 10:12 AM, 汪昕 wrote:
Hi, Carl,

Thanks a lot for your replying.

Regarding to moment tensor in 2D for a pure shear source, you are right about the components. so, for me, i am trying to use the classical formulas to calculate these components and that is case of 3D.  I cannot find the way to determine moment tensor in plain-strain problems in papers or reports, so can you give me some better solutions if i want use moment tensor as seismic source in 2D? Thanks a lot!

--
Cheers,
Xin



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