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Questions related from Vahid Dabbagh
I model and simulate the contact between two gear. I applied torque on one of the gears and I fix the other using fix displacement in Ansys. Automatic contact detects the contact between gears...
12 December 2019 7,539 3 View
There are plenty of space available for making the procedure of building of a house less expensive, however, nobody in the world thinking about it and it is so weird. We know that the labor cost...
04 April 2019 3,998 3 View
I want to model a simple hyperelastic material to be moved when I apply a pressure on its face. But, the model does not move at all. It seems that the force does not influence other elements that...
08 August 2018 7,051 2 View
Even the latest version of Abaqus ran with python 2.7 and it comes with numpy version 1.6. To be able to use latest version of scipy, I need to upgrade numpy. In addition, the package does not...
07 July 2018 3,884 1 View
I am trying to model a piezostack in Abaqus. But the result of force generation I obtained is almost two times the amount mentioned in catalogue. In the analysis I did not specify any initial...
03 March 2018 7,179 1 View
I know that in Abaqus there is a way to apply foundation which is through interaction modulus. However, using this method only Winkler type foundation can be defined. While, I need to define...
02 February 2018 9,905 3 View
I know that by using the UMATHT subroutine, one can write a heat transfer equation subroutine, but it is for transient analysis. Can I use same subroutine to get steady state solution or I must...
12 December 2017 6,738 3 View
I intended to model a structure with a hydraulic to move it up and in addition I want to use that model to do a vibration analysis using either Ansys or Abaqus. However, I wonder, How I must model...
12 December 2017 1,206 2 View
I want to model a fluid problem and solve it using steady state solver. I tried to find an option for that. Default is transient analysis. I do not know how to change it to steady state form.
12 December 2017 5,718 3 View
Assume we have two identical clocks made on the earth. One of them is sent to other corner of universe (I mean very far). The clock starts to tick simultaneously (Maybe it is not practical in...
07 July 2017 3,004 12 View
I know that I can run an explicit analysis using Explicit Dynamics modulus from ANSYS Workbench environment, but its solver is AUTO-DYNA. How can change it to LS-DYNA or is there other method to...
06 June 2017 8,547 4 View
I analysis a heat sink and I want to know the total heat dissipation capacity of that heat sink. However, workbench does provide the heat flux on each elements as a graph rather providing me a...
06 June 2017 7,614 4 View
Hi, I am using Ansys 14.5 and I need to solve a multiphase fluid analysis with FLOTRAN. I need also to activate the VOF advection but it does not support parallel support. So i need to disable it.
01 January 2017 2,959 0 View
I have a plate, modeled in Ansys, with a damping and loads applied at different time steps. Using transient analysis we can find the nodal and element solution using time history for just one node...
10 October 2016 840 1 View
I want to define a load in Ansys in specific location on an area of solid body. For this I need to have a node on that location. Using meshing tool, the mesh locate the nodes in arbitrary place on...
09 September 2016 5,813 3 View
I need a simple job to be implemented in Ansys APDL. Writing a parameter in a text file. I use following macro. *cfopen,test,txt *vwrite,par (F3.1) *cfclos When I open the test.txt I see just 3...
09 September 2016 4,355 3 View
There are some theories from the past that mention earth gravity may affect the aether around earth. So, it there any attempt for repeating Michelson-Morley in space for example in spacecraft...
01 January 2016 3,634 11 View
Air trapped in pipes that located between fluid on left and right side of pipe. If pressure changes in for example left sides what happens to air trap. I need modeling of thickness and moving of...
12 December 2015 8,532 3 View
Hi, Is there any other alternative method for melting thin layer of metal powder without using laser. Thanks
10 October 2015 1,919 11 View
Is all the materials remain in the black hole or it come out from it by some hidden dimension? Why there is relationship between mass of black hole and mass of associated galaxy? Why there is...
12 December 2014 5,344 0 View
When we do multi-objective optimization using MOGA algorithm in Ansys Workbench, the algorithm stop automatically after few generation saying that the algorithm is converged while the objective...
05 May 2014 7,323 2 View
Suppose that a model developed in Ansys with boundary condition free-free is validated by free-free experimental results. Is it correct to use the model with fixed boundary conditions and still...
04 April 2014 2,068 1 View
When I want to import the Solidworks file to Ansys workbench I encounter following error and I do not know how to solve it?
04 April 2014 6,134 5 View
The methods include: AIRM, AHP, ANP, Outranking, GRA, IPV, WPM, WSM?
03 March 2014 5,601 3 View
I want to do programming in Ansys and I need to determine the value of stress in specified keypoint?
12 December 2013 965 1 View
I model a structure in Ansys and I want to make optimization and I think I can use Levenberg-Marquardt for optimization purpose. But I don't know how and what is the theory behind it.
12 December 2013 9,689 1 View
I use *vread command to import array parameter to ANSYS, but I do not know how to import scalar parameter?
12 December 2013 433 1 View
I am looking for some articles which give me clue about the method for finding transmission error of gear set without requiring finite element modeling?
12 December 2013 2,071 13 View
I do optimization in Matlab using genetic algorithm but the results just give the optimal set. However I need also to plot the convergence of objective function over generations.
12 December 2013 9,091 3 View
I know a journal which specific article was published there. Now I am looking about all the journal available with same topic.
12 December 2013 2,501 1 View
I just graduated from mechanical engineering and I am looking for book or data source which lists in detail the exact services that a mechanical engineer can offer in order to earn money?
12 December 2013 4,794 1 View
How we can determine the mesh stiffness of gears?
12 December 2013 4,486 12 View
I have a piezoelectric actuator model in ANSYS and I want to increase the amplitude of vibration by changing the dimensions of the actuator. Do I need to do an optimization?
11 November 2013 1,006 3 View
