What will happen when we open the model in higher version which created in lower version?

What will happen when we open the model in higher version which created in lower version? Where to add *CONSTRAINT CONTROLS, NO CHECKS in keyword editor? Is there any issues with * Model change...

17 February 2021 3,429 3 View

Bootstrapping: to use or not to?

Hello, I would need help w.r.t deciding on an approach. I sent out a survey and about 2000 of 15000 recipients completed the survey. Doubts have been raised on accepting the results based on...

15 February 2021 5,585 13 View

Crack definition at symmetry plane?

How to define a crack at symmetry plane? Is it right idea? Crack seam we cant specify at symmetry edge (As crack seam can be specified at interior face of 2D). How to handle this type of...

26 December 2020 2,437 4 View

What is the meaning and applications of stationary crack analysis especially in Abaqus?

What is the meaning, observations and applications of stationary crack analysis especially in Abaqus? Without crack propagation and crack growth how stationary crack helps in research?

30 October 2020 1,448 4 View

How to extract and segregate SIF data from 3D stationary XFEM Crack automatically?

How to extract data automatically from Abaqus history output request such as SIF of XFEM stationary crack in 3D, from Abaqus to excel or notepad or Matlab with data segregation.? I mean K1 K2 K3...

25 October 2020 9,652 5 View

How to find SIF (K1) from J-Integral in abaqus?

How we can calculate K1 value from J - integral result from abaqus?. K1 value directly from abaqus is reliable? Because its crack initiation criterion is Max tangential stress, Max energy release...

28 August 2020 9,860 3 View

Is it possible to do Parametric modeling in Fracture Mechanics with Abaqus?

I need to find stress intensity factors (SIF) for various crack lengths in a different location in a model. Contour Integral method needs to do refine and redo mesh again and again if we change...

21 August 2020 4,851 6 View

How can I merge two PED/MAP file sets from different chromosome builds for GWAS study in PLINK?

Hi, I have two data sets from the illumina omniexpress snp array platform. The first data set was mapped using the GRCh37 build and the second one was more recently read using the GRCh38 build....

14 June 2020 6,281 1 View

Can you fix cells with Dihydrorhodamine for a respiratory burst assay?

Hi, I'm running an assay measuring phagocyotosis and ROS production in PBMC's. I'm using Dihydrorhodamine 123 (Thermo) to measure ROS. I then stain and fix with PFA afterwards. I've so far read...

14 October 2019 5,997 5 View

Hi all anybody knowing about soldering phenomena simulation in abaqus?

Soldering simulation with consider only CTE of 2 different material. I put tie constraint and predefined field of temperature 210 deg C in first step and 25 deg C in second step. Step is staic...

29 August 2018 9,589 2 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

Has anyone used Pro-Touch color bands to mark raptors?

We have been color banding American Kestrels using A-craft alpha-numeric color bands since ~2013 and would like to test other options. I am curious if any other researchers have experience using...

01 February 2021 6,786 3 View

Is there any software to generate pdb of G quadruplex?

I have a DNA sequence which has predictability to form G quadruplex . I need a software to generate a pdb of it which will form G quadruplex. I am using open Babel but I am not able to set the...

29 January 2021 6,190 4 View

How do I determine the minimum number of observations needed per category in categorical predictor variables?

When conducting a simple linear regression analysis with one categorical predictor variable and power projected at .80, G*Power suggests a minimum sample size of n = 55. Now, assume that the...

10 January 2021 6,317 6 View

Anti-PCNA antibody [PC10] to detect proliferating cells in the brain of adult zebrafish (sections)?

Hello, I am trying to mark cells undergoing proliferation in the brain of adult zebrafish (Danio rerio). I did immunohistochemistry on sections using the Anti-PCNA antibody [PC10] (ab29) with...

14 December 2020 4,989 1 View

How to estimate sample size for 2x4 ANOVA in G-Power?

Hello, How would you estimate the required sample size for a 2x4 ANOVA using G-Power based on previous research. I am particularly struggling to understand how to define 'number of groups' and...

22 November 2020 9,972 2 View

Pearsons correlation sample size HELP?

I'm conducting a correlational study about "is there a relationship between depression, acceptance and quality of life among spinal cord injury patient?" But I am having an issue determining the...

06 November 2020 9,798 10 View

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30 October 2020 961 3 View

How do I determine if sample size estimation is for entire study of for each regression for a DV with subscales?

Hello! I am in the process of writing my dissertation proposal and need to figure out sample size (I will be using G*Power). To measure my DV, I am using a survey that has 4 subscales each with a...

29 October 2020 8,609 2 View

What would be the recommended color/method for quad-IF?

I'm trying to perform quad-IF staining on frozen tissue sections on a fluorescent widefield (axioplan) microscope. I was wondering what people might suggest for colour/strategy for a co-IF...

13 October 2020 6,863 4 View