How to analysis gears contact in Asnsys static structural with frictionless contact type?

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...

11 December 2019 7,367 3 View

Why nobody in the world thinking about how to make houses less expensive?

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...

03 April 2019 3,861 3 View

Can I model hyperelastic material in Abaqus Explicit?

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...

07 August 2018 6,871 2 View

Is it possible to upgrade python version of Abaqus?

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...

06 July 2018 3,615 1 View

Is piezo layers in a Piezostack is compressed when they are manufactured?

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...

02 March 2018 7,050 1 View

How to apply Pasternak foundation in Abaqus?

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...

01 February 2018 9,610 3 View

How to write heat transfer abaqus subroutine to get steady state soultion?

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...

11 December 2017 6,601 3 View

I want to model a fluid problem using abaqus/cfd, but I can not find steady state solution?

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.

11 December 2017 5,536 3 View

What is the boundary condition between piston and cylinder in a hydraulic jack?

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...

11 December 2017 1,078 2 View

Are two identical clocks located in two far places in the universe measure same value?

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...

06 July 2017 2,851 12 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

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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View