Why is SolidWorks giving high thermal stress in an unconstrained part?

I'm running a thermal simulation with a temperature change from 293K to 88K. It's all 6061 aluminum. The temperature load is applied to all exposed faces. This sim is of a single piece with a...

11 October 2020 3,125 3 View

Does FuDR dissolve/dilute into NGM plates when administered to plates?

I am currently trying to use FuDR to run a lifespan experiment using C. elegans. I have a stock solution of FuDR that has been dissolved in water and am trying the determine the concentration of...

27 August 2020 1,674 1 View

What is a good intro to flow through porous media?

I would like to find a way to build a model of the system I'm starting to research. Or really find any small amount of progress. Here's a snapshot of what's happening: Air is flowing (from atm.)...

16 October 2018 3,308 4 View

Why is Capacitive Deionization at constant current preferable than at constant voltage?

Based on a journal that I read, CDI at constant voltage leads to having a shorter time in a given cycle when the system has reached its lowest effluent concentration. My question is, what's bad...

29 March 2017 1,718 1 View

How to fill text in byte[] C#?

30 July 2014 1,233 4 View

Test for consistent clustering results on different datasets

I am using the CLUTO clustering toolkit to cluster software faults from multiple versions of a software project. The goal is to find a clustering solution that provides insight into the...

18 December 2012 2,899 4 View

Do you have any good suggestions on ethical descision making in construction?

This is for a paper that i am doing

01 January 1970 7,015 3 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

How to estimate 2SLS with different instruments for different endogenous variables?

To be specific, I want to conduct an IV regression in stata with the following three equations. EQ1: Y1 ~Y2 Y3 X EQ2: Y2 ~ Z1 EQ3: Y3 ~ Z2 Both Y2 and Y3 are endogenous. However, Z1 and Z2 are...

23 February 2021 6,266 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

Which is the best software or programming language (user friendly) for analysing data?

I have a basic knowledge on Python, R and MATLAB in analysing data. Among those, which is the best and user friendly? Which one should I learn deeply to analyse data?N:B: I want to learn data...

20 February 2021 3,950 15 View

What is/are the best ML classifier(s) for Sentinel2 images?

Hi I am trying to segment a sentinel2 image. At this stage, I want to run a binary classifier that assigns each pixel to either farm or non-farm pixel. For this purpose, I have 4 10m bands...

15 February 2021 3,596 9 View

What will happen when we assume an upper bound of OFV lower than the global minimum OFV ?

if we assume 20 is the upper bound of an objective function (OF) based on permutation a square matrix (nxn) , The minimum value of the OF=22, then we run a random operator to compute the OF by...

14 February 2021 6,056 5 View