I am currently analyzing a mechanism which has a ball screw driven by a motor. I want to model this joint in rigid dynamics module. In APDL MPC184 element is provided for such joint. But which should I choose in mechanical?
Fluent offers different temporal discretization schemes. There are two implicit schemes: Second order and bounded second order. I am wondering what are the advantages and disadvantages of these...
11 December 2019 8,211 4 View
I am solving a multi-phase problem in Fluent. I want to define my secondary phase as the granular solid phase. I can see that in the dropdown menu of the secondary phase, only fluid materials are...
09 October 2019 793 9 View
Is it possible to interrupt the solution in the middle of the run and then resume it later? I know this is possible in CFD solvers but I am searching is such facility is available in Ansys mechanical.
08 September 2019 2,090 3 View
I want to model a chemical reaction in Fluent. However, reaction being too complicated, there is no single activation energy model available. The DAEM approach is used to estimate the products...
07 August 2019 4,688 1 View
I am currently simulating a system involving various chemical reactions. My primary phase is gaseous and secondary phase is solid. There are reactions involving solid to solid and gas to gas...
04 May 2019 457 3 View
I am interested to know how does Fluent decide the time step size when I am using adaptive time stepping. It depends on the mesh size and the convergence (residues) of the last time step. But,...
02 March 2019 8,979 2 View
I am simulating a spray using pressure swirl atomizer in Fluent. It is a transient case. I am interested in variation of Suater mean Diameter (SMD) of droplets over the time. I cam calulate...
31 December 2018 3,147 3 View
I am simulating a diesel spray in air. I want to get the number of droplets and their diameters (preferably individual over mean) at certain time step. How can I extract this data?
11 December 2018 222 3 View
I repeatedly use few materials in Fluent. Is there any way I can export the materials defined in the fluent to a separate file and read that file as and when required?
09 October 2018 1,303 1 View
CFD uses various turbulence models and they differ in their applicability. k -epsilon is widely used for most of the fluid flow problems. But, how standard and realizable k-epsilon differ from the...
09 October 2018 4,699 7 View
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
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
Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...
02 March 2021 1,999 5 View
The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...
01 March 2021 2,272 4 View
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
I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...
01 March 2021 6,661 3 View
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
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
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 can one improve mesh skewness, orthogonality, aspect ratio?
28 February 2021 7,730 3 View