Can I model the fatigue damage behaviour (fracture) of a natural fibre reinforced concrete under variable amplitude loading

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Can SimaPro be used to simulate/analyse Biodegradation of Specimens?

I am looking at ways to investigate the biodegradation of 3D printed specimen as part of my research. To what extent can SimaPro be used to do this? The idea is to demonstrate the biodegradation...

02 July 2024 2,730 2 View

Am I "allowed" to change numeric factors to nominal categoric after establishing a DoE in Design Expert??

I generated an I-Optimal DoE with only numeric factors (4 of them) with responses. After conducting my experiments, I was getting some strange ANOVA R squared values for some responses that...

07 June 2024 4,429 2 View

Is it possible to obtain ANFIS Data for Genetic Algorithm Optimisation in MATLAB?

I use Design Expert to generate regression equations from raw input data. These regression equations are integrated into MATLAB to perform genetic algorithm single and multi-objective optimisation...

27 May 2024 2,761 1 View

What are some useful steps for addressing low predictive R squared values?

I am measuring the surface roughness of 3D printed tensile specimens, that have different raster angles and raster widths. Calibration and proper fixture of the specimens are set up to conduct...

24 April 2024 2,945 1 View

Which Regression Equation Should I use from Design Expert for MATLAB Single & Multi-Objective Optimisation?

I would like to utilise the correct regression equation for conducting Objective Optimisations using MATLAB's Optimisation Tool. When using Design Expert, I'm presented with the Actual factors or...

22 January 2024 8,075 2 View

Advice on "Lack of fit" and "replicate" points for an I Optimal Design of Experiments?

I'm looking to develop a DoE using an I Optimal design for 3D printing process parameters. However, I'm looking at two Run parameters (I'm using the Design Expert software): "Lack-of-fit points"...

15 May 2022 3,581 1 View

Can i have mentor or answers to the field of gas value chain?

I will be writing my Masters thesis by August. Would like someone to mentor me on the relevant topics that are industry driven. How to make the best choice of the topic and why it will be...

22 May 2021 3,840 1 View

COMSOL: How do I model an Anisotropic Nonlinear Elastic Model for Tensile/Compression Simulation?

Using COMSOL Multiphysics, I am aiming to model and simulate the compression and tensile test scenarios of 3D printed samples (ABS, PLA, PETG). However, it would appear that the default equations...

29 April 2021 9,901 3 View

Can Intelligent controllers (Like GA, ANN, FLC or ANFIS) be applied to control a 3D CAD assembly design?

Hi Sirs, I am trying to design an intelligent controller using GA, ANN, ANFIS or FLC, to control a 3D Computer-Aided Design (CAD) assembly of TRMS i did in SolidWorks. Is this practicable and can...

30 March 2021 2,875 3 View

Could someone kindly help with bibliography (both old and most recent) of leading scholars on loan phonology, especially morphophonology ?

I am working on loan phonology. I am particularly interested in the morphophonological features/structures of English loanwords in Yoruba, especially within Optimality Theory (OT).

05 July 2020 5,457 3 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

I have get this error when i calculated the geometrical optimization for prco3, it takes 12 hours until gives this message in the outputfile?

Fatal error in MPI_Allreduce: Other MPI error, error stack: MPI_Allreduce(1628)......: MPI_Allreduce(sbuf=000002459254A180, rbuf=000002459F86A140, count=4851, MPI_DOUBLE_COMPLEX, MPI_SUM,...

09 August 2024 7,615 1 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

Stability of the Solar System: Insights from Einstein’s Equations ?

The stability of the Solar System is a complex subject that blends the classical framework of Newtonian mechanics with the modern insights provided by General Relativity (GR). Understanding this...

07 August 2024 2,569 1 View