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Dear All, I am trying tp simulate a rubber tube inside an inside a steel pipe. the rubber tube has been defined using S4R elements and the steel pipe has been defined using analytical rigid surface. However , i am gettng overclosure error for the contact defination. here is what all I tried...

Dear All , I want to a make an axi symmetric model. ( No not an tyre) (I want to model thw dust cover that we have on suspensions) FOr this I am thinking of using axisymmetric elements such as CGAX4R. Now I will have unaxial loading later. So I would like to have your advice if I should go...

Dear All , I want to a make an axi symmetric model. ( No not an tyre) (I want to model thw dust cover that we have on suspensions) FOr this I am thinking of using axisymmetric elements such as CGAX4R. Now I will have unaxial loading later. So I would like to have your advice if I should go...

Dear All, Can somebody please tell me what is the equivalent of BSET1 (Nastran) in Abaqus ? Thank you in advance. best regards Kamran shahid

Dear All, I would like to perform Craign Bampton reduction using Abaqus. Can anybody provide any leads on this? Thank you in advance...!! best regards Kammieorama

thread825-341144 can someone please answer this. even i have the same doubt what is the difference between mode shapes before and after augmentation of residual vectors? and most importantly what do we mean by residual vectors..? thank you in advance..!! best regards Kammieorama

Dear All, I would like to perform [highlight green]Craign Bampton reduction using Abaqus.[/highlight] Can anybody provide any leads on this? Thank you in advance...!! best regards Kamran

I am trying to run a SOL103 in NxNastran v 8.1. In my model there is are Surface cards (BSURFS) I have just mentioned BSURFS. Now SOL103 is running error free but the parts on which i defined surfaces are not acting like surfaces. I mean in the modal shapes i see them bend independent of...

I am running a SOL101 analysis and here is an error which I am getting GRID POINT ID DEGREE OF FREEDOM MATRIX/FACTOR DIAGONAL RATIO MATRIX DIAGONAL...

Dear All, Is am running an SOL103 and have requested STRESS(PLOT)=ALL. When i view this in Hyperviews it shows failed to attch result. A friend said that SOL103 does not support stress output. My questions are. 1 Does SOL103 not supposrt stress output only but calculates stresses? (I...

Dear All, I am trying to convert a few abaqus files having contacts to Nastran files. I am using medina for this conversion. The contacts are coming as BSURFS element. Now i have a few questions. 1. Is this the right conversion ? is contacts and BSURFS are they equivalent 2. what is the...

Hello , I have done my engineering project in which i have applied some load on differet parts. Its a static analysis of a vehicle and we are trying to see if it exceed the yield stress. One person said this is called as Quasi static analysis. I would like to know three things:- 1. What quasi...

Hello ... can anyone explain me in detail as to what these below command means and their significance. $start xsub $nasAusFileListe f04,f06,op2 (uebertragen) $subVersion 8.1 (Versionsliste) $subMemory 2048 (Speicher in MB) $end xsub Thank you in advance....!!!

thread825-300975 hello all , I am getting this error:- SYSTEM FATAL MESSAGE 3008 (GP4) INSUFFICIENT MEMORY AVAILABLE FOR SUBROUTINE RBPUTD this is the memory size allocated:- NASTRAN SYSTEM(151)=4 NASTRAN SYSTEM(206)=15 NASTRAN BUFFSIZE=99999999 thank you for your help.

how do we model a bolt with pre-tension. I have tried modelling one and have given it for run using abaqus. however the output shows that along with tension in bolt there the attached parts are also displaced. I was expecting tension to be developed only in the bolt shank since i am trying to...