What is a proper preconditioner for solution of non symmetric square systems?

Dear community, I am trying to solve linear elasticity equation in strong form using meshless methods. More precisely i use the DCPSE interpolating operators for the approximation of the shape...

05 June 2016 5,891 4 View

How do I convert a mesh in a voxelized volume (3d image)?

Dear all, I am developing a biomechanical model to estimate prostate deformations during brachytherapy. I am working with finite elements on a tetrahedral mesh derived from segmented images. I am...

09 October 2015 9,421 9 View

Is there any open-source voxel based hexahedral mesh generator?

Dear all, I am interested in an algorithm for hexahedral automatic mesh generation direct from medical segmented images. (Voxex-based hexahedral mesh) Do you have an algorithm for successfully...

09 October 2015 3,058 6 View

How to constrain a contact finite element model properly?

Dear all, I am working in the prostate edema modeling where i want to simulate the interaction of swelling prostate with the neighbor organs using finite element analysis. In my development i use...

05 June 2015 2,896 6 View

How to obtain "Contiguous Volume Analysis Report" in Variseed brachytherapy software?

Dear RG community, I need to obtain information of the prostate volume changes during the brachytherapy for my project. The software used in the collaborating clinic is Variseed for brachytherapy...

03 April 2015 3,806 7 View

Is it possible to give conditions to specific elements of a 3D mesh in COMSOL?

Hello, I am wondering if it is possible to give specific attributes in specific elements in COMSOL. In more detail I want to set some elements of the a real prostate mesh as liquid sources in an...

01 February 2015 2,673 4 View

Which parameters to use for soft tissue poroelastic study in COMSOL?

Hello! I am trying to do a poroelasticity analysis for the prostate gland in the COMSOL framework using the poroelastic module. I need to set the poroelastic parameters of the prostate's material...

01 February 2015 1,504 2 View

What boundary values should I use in soft tissues poroelastic module in COMSOL multiphysics?

Hello, I am trying to make an analysis for the prostate gland regarding it as poroelastic material and using the poroelasticity module of the COMSOL multiphysics framework. However my experience...

01 February 2015 8,954 1 View

What elastic parameters should be used for prostate biomechanical modeling?

Hello, I am trying to make a biomechanical model of the prostate gland using the COMSOL software and I am searching for proper biomechanical properties of the prostate for accurate modeling. Could...

01 February 2015 8,449 2 View

How can I combine multiple meshes?

01 February 2015 10,027 4 View

How to manually calculate p value in ANOVA? what is the equation or formula for it?

How to manually calculate p value in ANOVA? what is the equation or formula for it?

03 March 2021 4,928 5 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

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

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 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 replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View