23 Questions 8 Answers 0 Followers
Questions related from Vishesh Dharaiya
Why direct inversion of mutivariate regression equation is not preferred and instead optimization techniques are used?
16 July 2024 8,699 3 View
I am doing orthogonal cutting of aluminum. My forces are changing according to mass scaling. How to decide the scaling factor?
02 July 2024 3,810 0 View
I am trying to imitate orthogonal cutting in 2D in abaqus. Can anyone suggest me any reliable research paper?
01 July 2024 7,351 0 View
Maximum likelihood estimation is used to estimate population mean and variance. However, we can do it with sample variance too and sample variance is unbiased also. Then why we prefer maximum...
26 June 2024 4,301 3 View
I am doing 2D orthogonal cutting simulation in ABAQUS for aluminum. Reducing mesh size up to 0.08 mm reduces the error to 3% but further reduction leads to increase in error from 3 to 39%. Why I...
24 June 2024 9,155 0 View
I am doing orthogonal machining of aluminum in 2D. However, when partitioning for depth of cut with a sketch on face strategy with a parting line, it says that face could not be partitioned. How...
19 June 2024 8,045 0 View
I am trying to simulate orthogonal cutting. My analysis time is stuck at 0.03125 seconds. I killed it and started again. It is again stuck.
28 May 2024 4,976 1 View
I am trying to predict cutting forces in orthogonal cutting using Oxley's model using power law in flow stresses. However, I can't get out of the loop where temperature is just changing...
03 December 2023 5,006 0 View
I have started learning FEM from scratch. I want to apply it to do numerical simulation of solidification in ANSYS? Where and how to start learning ANSYS?
15 February 2022 8,529 6 View
I know basic definition of grain boundary and phase boundary. However, can we consider grain boundary as phase boundary as crystal orientation is different?
20 September 2021 1,914 5 View
I want to go through the same method FEA softwares are using. Apply meshing and FEA on CAD geometry? How can I do it? Which book to follow?
21 July 2021 2,277 3 View
I want to model resistance spot welding in ANSYS APDL. How to model heat generation, which happens in the highest amount at contact of two sheets? How to model electrical contact resistance or...
13 July 2021 1,920 3 View
Whether the interval is open or closed, a function needs to be continuous to be differentiable on that interval? Why it needs to be continuous?
01 May 2021 7,415 8 View
We know that time dependent temperature profiles can be generated using methods like FEM which solve PDEs. Can we do same using machine learning? Has anyone come across any related study?
26 January 2021 426 3 View
Why are nickel superalloys called 'Superalloys'? What puts them in this category?
02 January 2021 7,288 5 View
My manuscript has been accepted in SN Applied Sciences. New comments tell me that there should be 'article highlights' below Abstract. Article Highlights section comprises of three bullet...
04 December 2020 9,356 2 View
In ideal solution, we take enthalpy of mixing as zero in equation of gibbs free energy. Why is it?
28 November 2020 3,799 4 View
What is the meaning of 'grain boundary grooving' in solidification of cast metals?
24 November 2020 3,524 5 View
I am going through research papers in phase-field modeling and every paper has different free energy functional equation. Where those equation come from? How to decide which equation is...
13 November 2020 6,216 2 View
I have been asked this question so many times. I give a general answer based on a metallurgy book which states that 'wrought iron can not be cast'. However, you can cast wrought aluminum alloy...
13 November 2020 5,544 9 View
I have submitted a manuscript on resistance spot welding. I have used lap-shear tests for joint strength. I have shown those results in a table against experimental combinations of process...
27 October 2020 9,125 7 View
I am working on simulation of aluminum alloy A356 solidification. However, in real phenomena, it undoubtedly involves hydrogen porosity. However, all phase field models tell you about grain...
16 October 2020 9,134 4 View
I am searching for a project in aluminum casting techniques and development of aluminum alloys.
02 July 2020 3,006 4 View
