Does anybody know a way to calculate J-integral in ANSYS APDL code or MATLAB code?

Hi, How to calculate j integral using the domain integral method in ANSYS code or MATLAB code?

04 February 2021 7,330 3 View

What is the chemical mechanism that allows the solvent N, N Dimethylformamide to dissolve the epoxy resin?

24 September 2020 8,588 3 View

How to choose from which layer to start unfreezing pretrained model?

I'm wondering how you decide on the part of the model to unfreeze. Do you do multiple experiments? Since the use of GPU is expensive, you must have some guidelines. Note: I know the relationship...

09 January 2020 8,069 4 View

DNA extraxtion with SDS/PK/CTAB?

Iwill be so grateful if any researecher can share me protocol of DNA extraxtion using SDS/PK/CTAB method . thanks

29 August 2019 2,025 3 View

How to predict the velocity distribution of a sprayed powder from a nozzle?

Hello everyone, I am searching if it exists any formula used for predicting a velocity distribution of injected solid particles in my case I used flour and the type of injection is through a...

12 June 2019 6,147 3 View

Which flow should I choose in the case of two parallel plates ?

Hello everyone, I am a little confused into choosing the right flow's nature wether it is Laminar or Turbulent and in my case I have the Fluid flow and particles are moving through two parallel...

03 February 2018 5,865 7 View

Does the term of Dynamic Viscosity exist for solid materials?

Hi there everyone ^^, I need some help for my study in the field of Fluid flow, I use COMSOL Multiphysics for this and When I add some solid materials like copper or aluminium for the geometries...

15 December 2016 3,259 15 View

Kindly tell me please what kind of plastic that resists in acetonitrile solvent?

01 December 2016 1,226 6 View

How to simulate Laminar Flow 2D between two horizontal infinite parallel plates ?

19 August 2016 5,872 12 View

Can anyone tell me what is this insect?

I had found on the hare in humid region.

19 March 2015 7,201 21 View

How to formulate Energy minimization in Molecular dynamics simulation for alloys using meam potential?

during MD simulation, the atoms are not moving as per required. The problem (as per my observation) lies in energy minimization technique. upon application of tensile strain in x or y direction,...

22 February 2021 380 5 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

Can someone please tell me how to get a desired temperature (say 700C at the bar concrete interface ) which is at a depth of 15mm??

Can someone please tell me how to get a desired temperature (say 700C at the bar concrete interface ) which is at a depth of 15mm from the exposed surface in Abaqus... i am performing a coupled...

10 February 2021 4,656 2 View

How can I carry out analysis of pulp and paper properties according to Tappi standard method in the Lab?

Properties such as relative humidity (T 402sp-03), brightness and yellowness (T-452 om-02), whiteness (T-560 pm-96), opacity and absorption coefficient (T-425 om-01), tensile, breaking length and...

24 January 2021 308 3 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

Fracture energy of concrete at sub-zero temperatures?

Both tensile and compressive strengths of concrete increase with the decrease in temperature. With this in mind and considering that fracture energy is in direct correlation with the so-called...

18 January 2021 8,778 4 View

Why the fracture energy of concrete increases with the rise in temperature?

Given the degradation of mechanical properties in concrete under elevated temperature namely, tensile strength, modulus of elasticity, compressive strength, etc., what is the justification behind...

15 January 2021 3,651 4 View

Continuum Damage in ANSYS Workbench?

Hey, i basically want to simulate a tensile test to validate the damage model of my composite material. When using the instant stiffness reduction the results converge but are not sufficent....

12 January 2021 2,313 3 View

In the tensile test for a nanocomposite sample, if the sample width decreases (thickness is constant), what does the stress-strain curve change?

Given that the stress is equal to the force divided by the area(width*thickness), what change does the reduction in sample width make to the stress-strain curve? Does stress change occur...

09 January 2021 5,124 5 View

Can you please help with the problem modeling a damper in ABAQUS?

Hello everyone, I am trying to model a damper in ABAQUS. I have obtained hyperelastic properties using a uniaxial tensile test and viscoelastic properties by relaxation test conducted in the...

09 January 2021 4,515 1 View