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

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

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03 March 2021 5,360 2 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 to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

Can Virtual Servers (remote dekstop manager) run heavy ANSYS Fluent CFD simulation ?

I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...

01 March 2021 8,415 1 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View