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Hi Can anyone share a 4 point bending test FEA model of steel beam or any other specimen? My specimen size is 24x3x0.382". Thanks Modeldamper

Hi I am new to API in FEMAP and I am trying to create a quad element from 4 nodes in API. I know how to create a surface and create the elements from the surface. But, I am wondering if I can create the element directly using the nodes. Thanks

All, I would like to know how to build a FEA model in Excel and import it into FEMAP. This is more like automation so that non-FEA person can simply change the material properties or change the thickness, to do some parametric studies. Is there any process that you would like to share? Thanks...

All I need help in getting the value of modal effective mass for mode 5 in .f06 file. Do I need to add the values in all degrees of freedom to get the value? MODAL EFFECTIVE MASS MODE FREQUENCY T1...

Hi Everyone, I am running random response analysis in NX nastran and i have a question. Can you let me know if the acceleration that i get is acceleration^2 or acceleration^2/Hz or just acceleration from the following command? ACCELERATION(SORT1,PUNCH,RPUNCH,NORPRINT,PHASE,PSDF) = 1 Thanks...

All Has anyone had experience in how to model a tuned mass damper in FEMAP or in general? Thanks a lot. Modeldamper

Hi I received two external superelement in *.op4 format with *.asm and *.pch files included, and I have to perfom a Nastran modal analysis can someone explain how to and where to attach the .asm and .pch files in the main file. I don't want the include command line for .asm and .pch files. I...

Hi forum Can someone give information on vendors who can measure the 3D anisotropic properties (G11, G22, G33, G44, G55, G66 in Mat9 material card) of honeycomb core and what standards they use to measure these properties? Thanks

Hi I am looking for 3D orthotropic or 3D Anisotropic properties for the honeycomb core F40 3.1 pcf Flexcore (5052 AL) Does anyone have these properties? It will be of much helpful. Thanks

Hi I have a frequency dependent material property for a visco elastic material and I run the Direct FRF solution. When I estimate the damping loss factor using X-modal software (by converting the FE output .pch file to .UFF file to import in X-modal), I get a value (say 0.1). But when I use the...

Hi everyone. It will be nice if you could help me out in copying elements from one coordinate system to another coordinate system in FEMAP. Thanks

Hello all I need some help in thermal analysis in FEMAP/NX-Nastran. I have 17 layers stacked on each other. Initial temperature at the bottom and top of the layer is set at 250F. I would like to know the temperature of each layer as time goes on. How do I do that? Total time duration is 2hrs...

I have a question regarding modal analysis after applying thermal load on the structure. I have built an aluminum structure model. My reference temperature is the room temperature (70F), which I am mentioning in my MAT1 card. I need to do the modal analysis at 69F and -20F. This is what I have...

Hi Users This might be a basic question. I have the following material properties for a material at 10 degree Farenheit (Temperature). Where should I enter 10F in the MAT1 card? $23456781234567812345678123456781234567812345678123456781234567812345678 MAT1 5 56086.30 .48...

Dear forum members Can someone explain how to write a frequency dependent shear modulus and damping, and the corresponding TABLED1 entries? Thanks

Dear forum members Can someone explain how to write a frequency dependent shear modulus and the corresponding TABLED1 entries? Thanks