Which element is usable for simulating a pre-twisted blade in ansys?

I want to model a twisted blade in ansys and nonlinear dynamic analyses, but solid element is not match with beam element and they are very different result. Now I don't know I select which...

08 September 2014 8,940 4 View

How can i writing a paper for ISI journals?

As you can see, my English language is poor specially in writing. i want writing a paper. i writed that fully but i have so wrongs in writing. are there any software that help me? what can i do...

07 August 2014 6,531 3 View

why plastic zone in Abaqus is low?

whenisimulate my CT specimen in Abaquse with Elastic-Plastic propertic my plastic zone in crack tip is lower than experimentall. i obtaine true stress and true strain from tensile test with this...

06 July 2014 6,019 6 View

What are the parameters max principal stress and fracture energy in analysis XFEM with Abaqus?

06 July 2014 1,891 3 View

Why can my XFEM method in Abaqus not predict crack grows?

When I use the XFEM method in Abaqus to predict fracture of my materials, Abaqus gives good results about crack initiate and maximum load, but it can't predict crack grows. In Abaqus, after...

06 July 2014 4,076 19 View

How can I find the coefficient for fitting a curve in MATLAB?

I fit my data in MATLAB with a function and I can see the results and coefficients in the command window. I need this coefficient in order to continue with my codes, but I can't input this...

05 June 2014 827 10 View

Why is this error in abaqus XFEM method: too many attempts for this increment?

I simulate crack grows for a specimen in abaqus and use XFEM method. When my crack initiates and grows a bit and before full break the specimen I faced this error: too many attempt for this increment.

02 March 2014 4,078 31 View

Does anyone have experience with damage when using XEFM methods?

When I simulate my specimen with XFEM method I have faced an increment error. But when I decrease displacement or decrease the element of mesh the error disappears. I don't want to decrease the...

01 February 2014 2,312 1 View

Can I determine fracture toughness of a material with Abaqus?

I want use the data of tensile test of a material to determine fracture toughness of a material. What information do I need? Is it possible?

01 February 2014 7,474 12 View

How much crack should be grown in multi specimen method?

I want to fracture test RTPMMA. I use the elastic plastic method for determin-integral. Do you know how much I let the crack grow?

01 February 2014 330 0 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

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

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

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

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01 March 2021 3,905 5 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View