Re: [Getfem-users] Generic assembly brick crashes Matlab

[Walker, Ryan T. (GSFC-615.0)[UNIV OF MARYLAND]]

Thanks! This works now.

Thanks again for the very quick response.

Best regards,
Ryan


On Apr 3, 2015, at 4:42 PM, Yves Renard <address@hidden> wrote:

> Dear Ryan, 
> 
> There was indeed a bug but not in the generic assembly. It was in the 
> interface in the function
> mfu=gfMeshFem(m);
> which was not initialisating correctly the mesh_fem object. Instead, if you 
> test with
> mfu=gfMeshFem(m,1);
> it should work. I committed a fix.
> 
> Thank you for the bug report.
> 
> Best regards,
> 
> Yves.
> 
> 
> ----- Original Message -----
> From: "Ryan T. Walker (GSFC-615.0)[UNIV OF MARYLAND]" <address@hidden>
> To: "Konstantinos Poulios" <address@hidden>
> Cc: address@hidden
> Sent: Friday, April 3, 2015 9:42:31 PM
> Subject: Re: [Getfem-users] Generic assembly brick crashes Matlab
> 
> Unfortunately, I still get the crash with the latest development version, 
> using the same example I gave in my last message to Yves (that is, using 
> ‘Grad_u.Grad_Test_u’ in demo_bilaplacian.m). 
> 
> I’m on Mac OSX 10.9.5, if that helps. 
> 
> Best regards, 
> Ryan 
> 
> On Apr 2, 2015, at 3:23 PM, Konstantinos Poulios < address@hidden > wrote: 
> 
> 
> 
> 
> Dear Ryan, 
> 
> would it be possible to fetch the latest development version of GetFEM++ from 
> the svn repo, as described in 
> 
> http://download.gna.org/getfem/html/homepage/python/install.html 
> 
> and tell us if you can still reproduce the crash? 
> 
> BR 
> Kostas 
> 
> 
> 
> 
> On Thu, Apr 2, 2015 at 4:52 PM, Walker, Ryan T. (GSFC-615.0)[UNIV OF 
> MARYLAND] < address@hidden > wrote: 
> 
> 
> 
> I’m trying to get generic assembly bricks working with the Matlab interface. 
> 
> The code "gf_model_set(md,'add linear generic assembly brick', mim, 
> 'u*Test_u’);” works fine. 
> 
> However, if I change the expression to something involving derivatives, like 
> ‘Grad_u.Grad_Test_u’ or ‘Hess_u:Hess_Test_u’, 
> Matlab has an internal error (no specific error message) and shuts down. 
> 
> Based on the main C++ documentation, the expressions that cause Matlab to 
> crash look legal. What’s going wrong here? 
> 
> I’m using version 4.3.2 with Matlab 2014a. 
> 
> Thanks, 
> Ryan 
> 
> 
> ********************************************** 
> Dr. Ryan T. Walker 
> Earth System Science Interdisciplinary Center 
> University of Maryland at College Park 
> Cryospheric Sciences Laboratory, Code 615 
> NASA Goddard Space Flight Center 
> 8800 Greenbelt Road 
> Greenbelt, MD 20771 USA 
> 
> 
> 
> 
> 
> 
> 
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