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  • How to tackle local mechanism in inertia relief analysis ?

    Hello All I am trying to calculate fatigue damage full vehicle truck model with bogie suspension. Unit load has been applied at axle end points to simulate inertia relief analysis and get the stress for further fatigue analysis. The issue is that…

  • HOW TO DEFINE TOPOLOGY OPTIMISATION AFTER MBD

    If I have created my design space in adams,after getting flex I want further topology optimization so pls guide me with complete steps and procedures

  • How can I compute MAAX and KAAX matrix , extracted from Nastran, to obtain the eigenvalues and eigenvector from a not constrained model ?

    How can I compute MAAX and KAAX matrix , extracted from Nastran, to obtain the eigenvalues and eigenvector from a not constrained model ?

  • Sol 200 .op2 results are displayed incorrectly in META

    Sol 200 .op2 results are displayed incorrectly in META

  • THE SOLUTION FOR THE RESIDUAL STRUCTURE AND THE CURRENT SUBCASE DOES NOT EXIST

    What does this error mean and how do I solve it? I'm running solution 101 with contact.

  • Is SPCD entry supported in SOL129? How can I use an SPCD with TLOAD1 entry in a SOL400?

    Is SPCD entry supported in SOL129? How can I use an SPCD with TLOAD1 entry in a SOL400?

  • What is the difference between ‘Chained analysis’ and ‘Coupled analysis’?

    Hello to all, I am trying to run a coupled analysis of heat transfer and structure analysis. According to ‘Overview of Analysis Types’ in MSC Nastran nonlinear user’s guide SOL 400, “chained physics” and “coupled physics” are existing and STEP and…

  • 下記ERRORの対処方法を具体的に教えてください。

    *** USER FATAL MESSAGE 1221 (GALLOC) THE PARTITION OF THE SCRATCH DBSET USED FOR DMAP-SCRATCH DATABLOCKS IS FULL. USER INFORMATION: THE DMAP SCRATCH PARTITION WILL NOT SPILL INTO THE 300-SCRATCH PARTITION. USER ACTION: 1. SET NASTRAN SYSTEM(151)=1, OR…

  • Nastran support on Microsoft Azure

    Does Nastran support to run on Microsoft Azure? This is Microsoft's cloud solution.

  • No model outputs when I use PLOT in subcase output requests in SOL400?

    I mostly live in linear staticland, so I don't play much in SOL400. I'm running a large-displacement static analysis and want to surppress print output of the various results to my f06 file. When I used PLOT in the output request in subcase control, however…

  • Is it possible to make a 'sliding glue' in sol 103 so only normal DOF are constrained?

    I would like to make a sliding bearing using glue. I used to do sliding bearings as 2 RBE2 conncted with CBUSH with appropriate stiffnesses. Is it posible to do it with glue if I have an outer race and a housing?​

  • Parallelization in SOL700 analysis with NP>1 in NASTRAN 2017.

    In a SOL700 analysis with NP=8 in NASTRAN 2017 I get the following error: "Analysis will be performed using 8 processes. Warning: The host list file dmp_hosts is not found A default hostfile for the local machine must be created.…

  • Hello All I am trying to model a damper in MSC Nastran. I do have damper curve (force versus velocity) for compression and expansion. Please tell me how to proceed with the modelling of damper for given property curve. Thanks Sumit Sheoran

    Hello All I am trying to model a damper in MSC Nastran. I do have damper curve (force versus velocity) for compression and expansion. Please tell me how to proceed with the modelling of damper for given property curve. Thanks Sumit …

  • hello all, can i know how nastran picks the trial eigen value and what are the processes are incorporated with it,to find the value...in the sturm sequence check

    hello all, can i know how nastran picks the trial eigen value and what are the processes are incorporated with it,to find the value...in the sturm sequence check

  • Short memory in Nastran 2017 SOL 700 - Error 70021.

    Does anyone know how can I overcome the following error coming from LS-DYNA in a Nastran 2017 SOL700 analysis: *** Error 70021 (OTH+21) (processor # 0) Memory is set 22104 words short memory size 20000000 Increase the memory…

  • Strainの結果が出力されません。

    非線形静解析(SOL106)において、tetraの2次要素のみStrainの結果が出力されません。​ 出力させる方法をおしえてください。

  • Why do I get "error converting token into integer" error in dytr.out file of a SOL 700 analysis?

    In a SOL 700 analysis after translation into *.dytr.dat file I get "error converting token into integer" message in *.dytr.out file (see attachment). Does anyone have an idea why is that? Thanks Attached Files (1)

  • Why do I get RBE3 support problem in SOL 700 and how could I denote VERSION =ORIGINAL in the analysis file?

    I'm running a SOL 700 and I get the following message "Fatal Error in SOL700 Translator - rbe3 is not supported. Please check version=original option" (see attachment). However, in page 166 of Explicit Nonlinear (SOL 700) User's Guide is says that RBE3…

  • Hi, i have a doubt in FREQ3 card. can anyone clarify how it picks the frequency through NEF? and how it get multiplied with PSDF in RANDOM ANALYSIS?

    Hi, i have a doubt in FREQ3 card. can anyone clarify how it picks the frequency through NEF? and how it get multiplied with PSDF in RANDOM ANALYSIS?

  • hi, i am doing large models..so the analysis timing is very high in random analysis. i tried some of the cards like PRGPST, ECHO = NONE , PLOT instead of RPRINT,..still takes more time.....awaiting your suggestions to resolve this....

    hi, i am doing large models..so the analysis timing is very high in random analysis. i tried some of the cards like PRGPST, ECHO = NONE , PLOT instead of RPRINT,..still takes more time.....awaiting your suggestions to resolve this....

  • this is loads and boundary condition . how to apply plus and mince value in MPC WITHOUT BUSH Element.

  • Is it possible to output aerodynamic forces on aerodynamics elements and aerodynamic pressures on aerodynamic elements to HDF5 file format?

    I am using MDLPRM HDF5 0 to generate the .h5 file and assumed anything printed to the f06 would be included in the HDF5 but I only get /NASTRAN/RESULT/ELEMENTAL and /NASTRAN/RESULT/NODAL data.

  • I put in the card - PARAM,NOCOMPS=-1 to a working deck and got the 0*** SYSTEM FATAL MESSAGE 1030 (XIO) BLOCK NUMBER MISMATCH IN READ 0********* DUMP OF XIO PARAMETERS Does anyone know what could be causing this. Thanks

    I put in the card - PARAM,NOCOMPS=-1 to a working deck and got the 0*** SYSTEM FATAL MESSAGE 1030 (XIO) BLOCK NUMBER MISMATCH IN READ 0********* DUMP OF XIO PARAMETERS Does anyone know what could be causing this. Thanks

  • Could you tell me the ratio of Kinematic Hardening and Isotropic Hardening if I select Combined Hardening in Materials Properties? And if it is possible to set the ratio of Kinematic Hardening, how can I do it?

    Could you tell me the ratio of Kinematic Hardening and Isotropic Hardening if I select Combined Hardening in Materials Properties? And if it is possible to set the ratio of Kinematic Hardening, how can I do it?

  • Correct Arc Displacements for a Large Rigid Body Rotation Problem

    I am attempting to get correct displacements for a simple beam with an enforced rotation applied to one end -- please see the attached .dat file. "Correct displacements" are ones where the free end of the beam moves in an arc, not in a line. In my case…
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