Excessive distortion issue while doing non linear static analysis?

I am doing a non linear analysis incorporating material and geometric non linearity. I apply a non linear ststic load higher than the linear eigen buckling load. the analysis terminates on account...

03 April 2019 3,039 3 View

Differences in Load controlled and displacement controlled conditions ?

Why is that load controlled and displacement controlled boundary conditions give different results for same meshing and boundary restraints ? I specify time at the end of load step as 1 and no of...

01 February 2019 6,263 7 View

Selection of node from a subset of nodes corresponding to maximum displacement in one direction?

How to select a node from a set of selected nodes and get the node number corresponding to maximum value of say y displacement. It should also take the mod (for selection of maximum negative...

31 December 2018 5,146 1 View

How to do linear combination of eigen modes corresponding to 2 different loadings in APDL?

If I apply 2 different types of loading and I get different eigen modes for different loading types, how do I combine them in a linear fashion in APDL.Tutorial would be nice.I have used upgeom...

10 November 2018 3,707 0 View

How to get APDL to read a column from a matrix element by element , so that I can operate on each elements ?

I have made a matrix of areas 76 *5 which contain areas in first column , centroidal coordinates in the 2,3,4 columns.I want to read the first column element by element so that I can make...

07 August 2018 3,173 6 View

Force driven load deflection response in apdl?

How to get a post buckling deflection curve using force driven analysis in apdl. The graph stops short and the run is terminated when the load reaches ultimate load or when the von mises stress...

06 July 2018 8,671 0 View

How to SELECT THE keypoints associated with area numbers in APDL?

I have selected a subset of areas by ASEL,S,LOC,Y,0 APLOT With the selected areas I have counted them via *GET,A,AREA,,COUNT then I have defined an array via *DIM,B,ARRAY,1,AREA This creates an...

06 July 2018 8,320 4 View

Doubts in representative finite element modelling?

I have attached a picture which shows 2 co axial tubes being compressed by heavy end plates. But the reduced modelling technique does not make much sense to me . IF someone could help in...

03 April 2018 8,962 3 View

Modelling issues with flange buckling of I beams ?

I am doing non linear buckling analysis to determine the buckling co efficient of flange buckling of I beam. For doing eigen value buckling analysis , and from there I do non linear analysis to...

02 March 2018 4,655 1 View

How to add residual stress distribution ?

I am modelling an I-beam with geometric imperfection and residual stress distribution for non-linear analysis. How can I add residual stress distribution which is varying in nature. Please find...

02 March 2018 6,530 7 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View