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<div dir="ltr" data-setdir="false">Hello Christophe, merry Christmas, hope you are safe.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I am sorry but appears that there is some sort of miscommunication btw us.</div><div dir="ltr" data-setdir="false">Reading in and creating p3d files in GMSH works well, bu that is not issue.</div><div dir="ltr" data-setdir="false">Problem is once p3d wile is read in GMSH and then saved as NASTRAN bdf, GMSH does not recognize it as STRUCTURED mesh , thus whensame geometry previously saved as bdf is read in GMSH and tried to export as p3d, program is failing.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Issue is how to set GMSH to recognize structured mesh in NASTRAN format and then export it as p3d.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Cheers, and stay safe. Season greetings</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Miro</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div><br clear="none"></div>
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On Wednesday, December 2, 2020, 12:51:29 PM EST, Christophe Geuzaine <cgeuzaine@uliege.be> wrote:
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<div><div dir="ltr"><br clear="none"><br clear="none">> On 27 Nov 2020, at 11:20, Christophe Geuzaine <<a shape="rect" href="mailto:cgeuzaine@uliege.be" rel="nofollow" target="_blank">cgeuzaine@uliege.be</a>> wrote:<br clear="none">> <br clear="none">> <br clear="none">> <br clear="none">>> On 26 Nov 2020, at 20:00, Miroslav Grulovic <<a shape="rect" href="mailto:miro_grulovic@yahoo.com" rel="nofollow" target="_blank">miro_grulovic@yahoo.com</a>> wrote:<br clear="none">>> <br clear="none">>> Hello there<br clear="none">>> <br clear="none">>> Ia am involved in little project using NASA PMARC14 software, and recently noticed some Plot3D capabilities which are aso build in GMSH. However I have noticed that GMSH ( version 4.5.6 ) perfectly read p3d files and exporting them to NASTRAN format bdf, but when tried to convert very same file back to Plot3D format, error message pops up .<br clear="none">>> Error reads " Warning : No structured grid to save " and creates empty p3d file.<br clear="none">>> Appears that software does not recognizes its own routine so please advise, do I am doing something wrong or software is not capable of such as transformation.<br clear="none">>> <br clear="none">> <br clear="none">> Indeed, currently when we read structured meshes we import them as general unstructured grids.<br clear="none"><br clear="none">Well actually I was wrong, and we do actually already keep track of the structured information in the reader.<br clear="none"><br clear="none">To test:<br clear="none"><br clear="none">// create p3d file<br clear="none">gmsh benchmarks/3d/sphere_in_cube_hexa.geo -3 -o a.p3d<br clear="none"><br clear="none">// read it back and save it again<br clear="none">gmsh a.p3d -save -o b.p3d<br clear="none"><br clear="none">Works fine with the latest Gmsh.<br clear="none"><br clear="none">Christophe<br clear="none"><br clear="none"><br clear="none">> The P3D reader could be changed to keep track of the structured information. Maybe open an issue on the gitlab to keep track of this feature request?<br clear="none">> <br clear="none">> Christophe<br clear="none">> <br clear="none">> <br clear="none">>> Cheers thanks for response and stay safe.<br clear="none">>> <br clear="none">>> <br clear="none">>> Miro <br clear="none">>> _______________________________________________<br clear="none">>> gmsh mailing list<br clear="none">>> <a shape="rect" href="mailto:gmsh@onelab.info" rel="nofollow" target="_blank">gmsh@onelab.info</a><br clear="none">>> <a shape="rect" href="http://onelab.info/mailman/listinfo/gmsh" rel="nofollow" target="_blank">http://onelab.info/mailman/listinfo/gmsh</a><br clear="none">> <br clear="none">> — <br clear="none">> Prof. Christophe Geuzaine<br clear="none">> University of Liege, Electrical Engineering and Computer Science <br clear="none">> <a shape="rect" href="http://people.montefiore.ulg.ac.be/geuzaine" rel="nofollow" target="_blank">http://people.montefiore.ulg.ac.be/geuzaine</a><div class="ydp5620a445yiv0572117372ydpb2027fc7yqt4087011123" id="ydp5620a445yiv0572117372ydpb2027fc7yqtfd79860"><br clear="none">> <br clear="none">> <br clear="none">> <br clear="none">> <br clear="none">> <br clear="none">> _______________________________________________<br clear="none">> gmsh mailing list<br clear="none">> <a shape="rect" href="mailto:gmsh@onelab.info" rel="nofollow" target="_blank">gmsh@onelab.info</a><br clear="none">> <a shape="rect" href="http://onelab.info/mailman/listinfo/gmsh" rel="nofollow" target="_blank">http://onelab.info/mailman/listinfo/gmsh</a><br clear="none"><br clear="none">— <br clear="none">Prof. Christophe Geuzaine<br clear="none">University of Liege, Electrical Engineering and Computer Science <br clear="none"><a shape="rect" href="http://people.montefiore.ulg.ac.be/geuzaine" rel="nofollow" target="_blank">http://people.montefiore.ulg.ac.be/geuzaine</a><br clear="none"><br clear="none"><br clear="none"><br clear="none"></div></div></div>
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