How can one define the modes of dispersion curve numerically?

Dear all, I am trying to find a way to find dispersion curves of plates using Rayleigh-Lamb frequency equations. I used a repetitive procedure by sweeping through the frequencies and inside it...

25 November 2020 7,254 5 View

Is there any Impact and blast standard test for materials (such as concrete, steel , ....)?

I found just charpy and IZOD test for it. I want to know other tests?

18 August 2018 3,903 3 View

Could anyone give me damping property of steel?

i want to analyse a part and i need to know about damping property to insert and import in material module in abaqus software. the coefficient of damping for example alpha & beta are needed to...

31 May 2017 5,847 2 View

How to generating LDPC parity-check matrices with arbitrary sizes?

01 January 2017 5,719 5 View

How can we simulate wire rope in large scale(for example 10 m) in abaqus?

31 January 2015 7,782 1 View

How can I solve this Abaqus error?

HI I was encountered with this problem IN ABAQUS/ATANDARD: The executable standard.exe aborted with system error code 1073741819. Please check the .dat, .msg, and .sta files for error messages if...

24 October 2014 818 28 View

How many ways exist to separate train and test data sets in ANN? which one is the best?

I want to know which way is the best to separate data set to train and test? random? cross validation?

18 August 2014 8,960 19 View

How can I solve the warning massage in ANFIS?

I use an ANFIS toolbox to predict a parameter with anfis and this error has appeared. Warning: genfis1 has created a large rulebase in the FIS. MATLAB may run out of memory if this FIS is tuned...

18 July 2014 4,755 4 View

How to build fluid structure interaction simulation for elastic ring squeeze film damper in COMSOL?

How to build fluid structure interaction simulation for elastic ring squeeze film damper in COMSOL?

22 February 2021 5,408 1 View

How to model rupture in geogrid in abaqus?

Hi researchers I wanna model tensile test on geogrid in abaqus, so I added displacement to one side of geogrid and the other side of geogrid is constrained completely, everything seems normal but...

19 February 2021 2,195 2 View

What are damage parameters for SMA while modelling on ABAQUS 2020?

I have given Elastic and Superelastic material properties, but I think we need to provide the damage parameters also. Please help me here.

16 February 2021 8,694 1 View

Are there any exception like work hardening in metals elastic limit due to dynamic loading?

The samples made out of spring steel are taken from same lot. The specimens were shaped following heating to forging temperature - Forming- Hardening -Tempering methods. After storage of almost 6...

11 February 2021 952 6 View

Wave velocity and rock density paradox?

Practically it is known that seismic velocity increases as rock density increases, why then does the wave velocity equation involving elastic moduli and density indicate that velocity is inversely...

09 February 2021 1,843 3 View

Can I apply a relative force between two elements in Ansys workbench?

I want to apply elastic tension between 2 orthodontic mini-implants is there a way to add relative force between 2 elements or i have to specify the force vector for each implant individually ?

05 February 2021 1,299 4 View

Coupled hydric and mechanical equation COMSOL?

hello i am trying to study the mechanical deformation due to the humidity on a 3d volume formed of 2 phases. my equation are dw/dt =grad(Dm*div(w)) and the mecanical is sigma=E*beta*nabla(w)....

27 January 2021 5,201 1 View

Is there any list that contains which stiffness/elastic modulus(Cii,Cij) effect which plane or direction of a cubic system in what way?

The value of stiffness/elastic modulus(Cii,Cjj) affects crystallographic planes in many ways like maximum shear or maximum tensile stress when stress is applied. The anisotropic materials show...

23 January 2021 2,877 2 View

Elastic constants -- transformation/basis change P21/a->P21/n?

Hi, I just calculated the stiffness tensor for a given material (a monoclinic molecular crystal) using molecular simulation. When trying to compare my results to published experimental results I...

05 January 2021 5,648 2 View

Can anyone direct me to where I can find the X-Ray elastic constants for WC-Co or just WC?

I have searched all over the internet and I seem not to be arriving at its value. I need this value to perform some XRD measurements. Any help would be greatly appreciated.

05 January 2021 916 1 View