k-Wave User Forum » Topic: source.sxx, source.syy, source.sxy, source.sxz, source.syz

k-Wave User Forum » Topic: source.sxx, source.syy, source.sxy, source.sxz, source.syz http://www.k-wave.org/forum/topic/sourcesxx-sourcesyy-sourcesxy-sourcesxz-sourcesyz Support for the k-Wave MATLAB toolbox en-US Tue, 12 May 2026 22:31:09 +0000 http://bbpress.org/?v=1.0.2 <![CDATA[Search]]> q http://www.k-wave.org/forum/search.php fengfan9999 on "source.sxx, source.syy, source.sxy, source.sxz, source.syz" http://www.k-wave.org/forum/topic/sourcesxx-sourcesyy-sourcesxy-sourcesxz-sourcesyz#post-7056 Fri, 20 Sep 2019 17:17:56 +0000 fengfan9999 7056@http://www.k-wave.org/forum/ Hi Patrick, Thanks for your answer! I think you're right because your answer corresponds with Fabrice Prieur, and Stefan Catheline's paper which used a stress tensor model was similar to yours. Please let me know more if you find something new, thanks again! Best Regards, Fan Patrick on "source.sxx, source.syy, source.sxy, source.sxz, source.syz" http://www.k-wave.org/forum/topic/sourcesxx-sourcesyy-sourcesxy-sourcesxz-sourcesyz#post-7051 Wed, 18 Sep 2019 20:40:01 +0000 Patrick 7051@http://www.k-wave.org/forum/ Hello, Take a look at this figure: <a href="http://www.iue.tuwien.ac.at/phd/smirnov/img714.png" rel="nofollow">http://www.iue.tuwien.ac.at/phd/smirnov/img714.png</a>. This is the components of the stress tensor (s in sxz stands for sigma). From the figure, you can see that the first coordinate identifies the direction and the second coordinate specifies the plane. So sxz is the stress in the x direction on the z plane. Moreover, to enforce 0 net torque, the stress tensor must be symmetric, this means switching the coordinates should not change the value, so sxz = szx. (I am not certain that this is the case inside of k-Wave, but is the case in much of soft condensed matter physics). Hope this helps, PC fengfan9999 on "source.sxx, source.syy, source.sxy, source.sxz, source.syz" http://www.k-wave.org/forum/topic/sourcesxx-sourcesyy-sourcesxy-sourcesxz-sourcesyz#post-7049 Mon, 16 Sep 2019 19:53:57 +0000 fengfan9999 7049@http://www.k-wave.org/forum/ Hi Dr. Treeby, I met trouble with shear wave simulation (pstdElastic2D & pstdElastic3D). The question is how do you define the stress in k-wave? For example, if I set up source.sxz, is x the perpendicular plane or the parallel direction? Thanks! Best Regards, Fan