How to insert a simply supported boundary condition without in-plane fixation in ANSYS (Transient sructural)?

Dear all, I have a question regarding imposing a boundary condition in ANSYS (Transient Structural). The problem is a slamming of a composite plate in water (FSI problem). The geometry of the...

27 October 2020 640 3 View

Gelatin nano particles, obtained by two-step desolvation, do not re-disperse in water. What is the problem?

Hello I have synthesized gelatin type A nano-particles by two-step desolvation. After 4 days of freeze-drying, the powder was kept in the freezer (-80 C). Today I tried to redisperse the...

18 February 2020 9,494 10 View

Recombinant protein production in insect cells using plasmid-based system?

Is it possible to produce a Flag-tagged catalytic domain of a murine enzyme in insect cells using a plasmid-based system? does it affect the functionality of the final enzyme?

29 November 2019 7,504 3 View

The small dimension of gelatin nano gel. what is the problem?

Hi I am trying to Synthesis gelatin (type A) nano particles by two-step desolvation method. By DLS, the dimension of gelatin particles are less than 50 nm. I am not sure what is wrong with my...

23 July 2019 964 3 View

What are the best polynomial approximation functions for analyzing free vibration and impact analysis of plates?

I want to do a free vibration analysis for a plate. In this research, I want to use the Ritz method. For Ritz-shape functions, which are the best polynomial functions that give the most accurate...

10 April 2019 2,612 5 View

In MTT or Alamar Blu test for cytotoxicity assay by using UV spectrophotometery, biologists use absorbance even more than 1. Is it correct?

In MTT or Alamar Blu test for cytotoxicity assay by using UV spectrophotometery, I saw many biologist researchers that use absorbance even more than 1 for their calculations. Is it correct? As I...

10 March 2019 4,442 3 View

To make flexible polyurethane foam, necessary to observe the mixing process?

20 June 2016 8,595 7 View

How much GAGs (glycosaminoglycans) is expected of MSCs in their ECM?

Hello, Does anyone know how much GAGs I can collect if I decellularize MSCs in their stemness state and can I stain this GAGs with Alcian Blue? Thanks

23 January 2016 2,565 4 View

What is the integrin binding site for Vitronectin?

As we know vitronectin and some other proteins can bind to different types of integrin. I want to know about the binding site in Integrin which the vitronectin with a RGD-sequence can interact...

30 January 2015 5,378 5 View

How can I extract nodal values of displacement, coordinates and time of each material point at every increment of time in ABAQUS/EXPLICIT?

How can I extract " nodal values of displacement, coordinates and time of each material point at every increment of time" in ABAQUS/EXPLICIT?

30 January 2015 2,597 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View