What is difference between boundary conditins?

More Majid Ghasemi's questions See All

Is There any Source about Impact of Soil Saturation Condition on Surface Settlement in Urban Tunnels?

Hello everyone. I want to know what effect have on the surface settlement in the urban tunnels when the soil is saturated? Thank you

07 August 2018 7,392 0 View

How Can I Write a MATLAB Code for Identify Key Blocks In Rock Tunnels?

Hi everyone Is there a source for code writing in MATLAB to analyze the stability of the key blocks created in the tunnel? We want to identify key blocks in this code and see if these blocks are...

07 August 2018 2,363 0 View

Does anybody information(Paper, Book or Exprience) about Rockburst in underground mines?

Hi, I wanna design damage and also know what happen in rockburst. so I need to know which software have to use or which books and papers I have to study. also experience and everything that is...

06 July 2018 9,918 0 View

I wanna install of permanent lining in tunnel model for dynamic analysis by Flac 3D. can you answer a question?

Hello dears. I wanna analyze a tunnel under seismic load that it has temporary lining ( shell as S/C and beam as steel set) and we have to install of permanent lining for this analysis. My...

03 April 2018 490 3 View

Is there study about interaction between tunnel and metro station?

hi, i need some articles about interaction between tunnel and metro station in projects, is there anybody help me?

08 September 2016 4,217 1 View

Do you have a information about construction of tunnel Below the water table?

hi..do you have information about construction of tunnel below the water...How can water be controlled? methods are NATM,ADECO_RS,C D,... like freezing,grouting or other methods!!

05 June 2016 3,103 2 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

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View

Majid Ghasemi

I appreciate that Dear Hayat

Ola Adel Qasim

https://math.stackexchange.com/questions/1412260/difference-between-boundary-conditions-and-initial-conditions

https://www.ohio.edu/mechanical/design/Resources/FEA_Examples.pdf

https://www.quora.com/What-is-the-difference-between-finite-element-method-and-boundary-element-method