I am trying to optimise a fuselage model i created on Solidworks and an running into a problem on hypermesh
this is the error i get
*** ERROR # 2372 ***
No PSHELL properties exist in the bulk data.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188804.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188805.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188806.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188807.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188808.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188809.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188810.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188811.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188812.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188813.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188814.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188815.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188816.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188817.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188818.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188819.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188820.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188821.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188822.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188823.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188824.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188825.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188826.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188827.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188828.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188829.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188838.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188839.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188840.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188841.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188842.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188843.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188844.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188845.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188846.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188847.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188848.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188849.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188850.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188851.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188852.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188853.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188854.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188855.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188856.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188857.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188858.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188859.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188860.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188861.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188862.
*** ERROR 14: Missing property # 2 referenced by CTRIA3 # 188863.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188864.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188865.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188866.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188867.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188868.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188869.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188870.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188871.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188872.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188873.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188874.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188875.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188876.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188877.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188878.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188879.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188880.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188881.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188882.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188883.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188884.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188885.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188886.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188887.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188888.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188889.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188890.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188891.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188892.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188893.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188894.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188895.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188896.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188897.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188898.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188899.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188900.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188901.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188902.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188903.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188904.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188905.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188906.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188907.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188908.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188909.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188910.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188911.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188912.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188913.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188914.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188915.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188916.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188917.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188918.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188919.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188920.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188921.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188922.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188923.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188924.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188925.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188926.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188927.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188928.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188929.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188930.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188931.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188932.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188933.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188934.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188935.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188936.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188937.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188938.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188939.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188940.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188941.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188942.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188943.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188944.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188945.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188946.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188947.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188948.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188949.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188950.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188951.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188952.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188953.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188954.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188955.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188956.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188957.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188958.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188959.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188960.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188961.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188962.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188963.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188964.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188965.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188966.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188967.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188968.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188969.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188970.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188971.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188972.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188973.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188974.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188975.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188976.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188977.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188978.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188979.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188980.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188981.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188982.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188983.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188984.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188985.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188986.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188987.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188988.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188989.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188990.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188991.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188992.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188993.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188994.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188995.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188996.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188997.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188998.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 188999.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189000.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189001.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189002.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189003.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189004.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189005.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189006.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189007.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189008.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189009.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189010.
*** ERROR 14: Missing property # 1 referenced by CTRIA3 # 189011.
****************
Too many error messages. Aborting run.
Current limit is 10000. Use "MSGLMT" control card to change this value.
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You only have solid properties and you have some shell elements. You either need to create a PSHELL property or delete/do not export the shell elements. Also, your mesh is very course and has bad element quality so you may want to review that too.
The shell elements you mentioned how would I change them into solid elements. Would that mean i have to alter the CAD model?
Altair EmployeeThe shell elements you mentioned how would I change them into solid elements. Would that mean i have to alter the CAD model?
It looks like the shell elements were just used to create the solid elements so you probably don't need them. However, you probably need to review your approach as I don't think your current setup will get meaningful results.
It looks like the shell elements were just used to create the solid elements so you probably don't need them. However, you probably need to review your approach as I don't think your current setup will get meaningful results.
is that the setup of the cad or in altair. I have been trying to follow this report that has been conducted here https://ueaeprints.uea.ac.uk/id/eprint/65143/1/Accepted_manuscript.pdf
is that the setup of the cad or in altair. I have been trying to follow this report that has been conducted here https://ueaeprints.uea.ac.uk/id/eprint/65143/1/Accepted_manuscript.pdf
Looks like they used shell elements. So you would probably have to do a midsurface mesh instead of solid elements. Also, the interior structure isn't connected to anything in your model and in the paper it looks like they used 1D elements for the interior structure. The CAD also isn't connected so I guess you could say that may be a problem with the CAD but usually it would be connected with bolts so the CAD is probably modeled correctly and you just need to make the connections in the FE model. As I mentioned the mesh needs to be refined a lot. Generally you will want a average element size that is 1/3 of the size of the members you want (see the note below).
It is recommended that the MINDIM value be three times larger than this average element size unless the element's mesh is aligned; in which case it can be two times larger. (https://help.altair.com/hwsolvers/os/topics/solvers/os/structural_c_clip_with_minimum_member_size_control_design_r.htm)
Looks like they used shell elements. So you would probably have to do a midsurface mesh instead of solid elements. Also, the interior structure isn't connected to anything in your model and in the paper it looks like they used 1D elements for the interior structure. The CAD also isn't connected so I guess you could say that may be a problem with the CAD but usually it would be connected with bolts so the CAD is probably modeled correctly and you just need to make the connections in the FE model. As I mentioned the mesh needs to be refined a lot. Generally you will want a average element size that is 1/3 of the size of the members you want (see the note below).
It is recommended that the MINDIM value be three times larger than this average element size unless the element's mesh is aligned; in which case it can be two times larger. (https://help.altair.com/hwsolvers/os/topics/solvers/os/structural_c_clip_with_minimum_member_size_control_design_r.htm)
what exactly is a midsurface mesh
what exactly is a midsurface mesh
https://help.altair.com/hwdesktop/hm/topics/pre_processing/meshing/midsurface_mesh_create_t.htm
https://help.altair.com/hwdesktop/hm/topics/pre_processing/meshing/midsurface_mesh_create_t.htm
so i do not need to apply the other meshes?
Right. You only need to represent the geometry with mesh once in your model. Just make sure it is connected appropriately.
im going to try and just optimise a cyclinder as the fuselage without the interior see if i make any progress. Ill apply the forces on the left of the fusleage like before and fix the backside. Im very new to hypermesh.
Right. You only need to represent the geometry with mesh once in your model. Just make sure it is connected appropriately.
this is where i am at currently
and the optimisation said there was an element error
Element # 675, element type TETRA.
*** PROGRAM STOPPED: ERRORS DURING ELEMENT QUALITY CHECK.
im not quite sure what that is
when i ignored the error by using the param no checkel
i got this solution
any solutions
i have attached the file as well
this is where i am at currently
and the optimisation said there was an element error
Element # 675, element type TETRA.
*** PROGRAM STOPPED: ERRORS DURING ELEMENT QUALITY CHECK.
im not quite sure what that is
when i ignored the error by using the param no checkel
i got this solutionany solutions
i have attached the file as well
seems as though i got it working here are the results i got which seem pretty close to the document that i sent. thank you very much for you help.
seems as though i got it working here are the results i got which seem pretty close to the document that i sent. thank you very much for you help.
Nice work. Glad you were able to get results you are happy with.
Don't know how you fixed the element quality problem but I do not recommend during off the element check.
You only have solid properties and you have some shell elements. You either need to create a PSHELL property or delete/do not export the shell elements. Also, your mesh is very course and has bad element quality so you may want to review that too.