Statistics
RANG
190
of 275 976
RÉPUTATION
538
CONTRIBUTIONS
0 Questions
203 Réponses
ACCEPTATION DE VOS RÉPONSES
0.00%
VOTES REÇUS
48
RANG
of 18 586
RÉPUTATION
N/A
CLASSEMENT MOYEN
0.00
CONTRIBUTIONS
0 Fichier
TÉLÉCHARGEMENTS
0
ALL TIME TÉLÉCHARGEMENTS
0
CONTRIBUTIONS
0 Publications
CONTRIBUTIONS
0 Public Chaîne
CLASSEMENT MOYEN
CONTRIBUTIONS
0 Point fort
NOMBRE MOYEN DE LIKES
100 of your answers have been accepted
Awarded to Ravi Kumar on 23 Jan 2021
Contribute at least one answer each month for 12 consecutive months
Awarded to Ravi Kumar on 14 Sep 2019
Solve a problem for the first time
Awarded to Ravi Kumar on 14 Jun 2018
Answer 1 question that was unanswered for more than 30 days
Awarded to Ravi Kumar on 18 Apr 2018
Provide your first answer ever to someone else's question
Awarded to Ravi Kumar on 20 Jul 2017
Content Feed
parfor-loop leads to wrong results of PDE solver
Hi Anselm, This is a bug when the model gets transferred to the worker in the process of parfor execution. I apologize for the ...
environ un an il y a | 1
| A accepté
How to define coefficient c in 3 coupling pdes in solving 2D-PDE (PDE toolbox)
If you have Symbolic Math Toolbox, then you can use the pdeCoefficients function to get the requried c-coefficient. Regards, ...
plus d'un an il y a | 0
| A accepté
Why do I get zero Thermal Stress? Am I using the PDE Toolbox incorrectly?
Got it. You don't have CTE specified along with the material properties. Refer to structuralProperties() call in the bi-metal ex...
plus d'un an il y a | 0
| A accepté
Using XY Data from this example? Help please
You can use interpolateStress to find values of stress at a given query coordinates (xq,yq,zq),. Regards, Ravi
presque 2 ans il y a | 2
| A accepté
Can someone help me with this Matlab code on 2D heat equation
Your T_initial is declared as a scalar, you are getting the error when you try to index into it beyond its size. Make that zeros...
presque 2 ans il y a | 1
| A accepté
Pressure units for a 1D edge on a structural model?
When you are solving a 2-D structural probelm (either plane stress or plane strain approximation), unit thickness is implicit. C...
presque 2 ans il y a | 0
Improve efficiency of AssembleFEMatrices?
If you are using R2020b or newer version of MATLAB, you should be able to specify required matrices as input: https://www.mathw...
presque 2 ans il y a | 0
| A accepté
How to give initial guess and initial condition for a nonlinear - time dependent PDE problem (transient non-linear heat equation) in pde tool box?
For nonlinear elliptic problem, inputs in setInitialCcnditions is the initial guess for the nonlinear solver. For time-dependent...
environ 2 ans il y a | 0
| A accepté
How to get AssembleFEMatrices for a nonlinear and Time dependent PDE problem in PDEtool box
Solution matrix must of of the size NumPDEs x NumNodes. In your case, you are providing several solutions at all the time-steps ...
environ 2 ans il y a | 0
Display generated mesh/ call out adjacent nodes in 3D domain
Check findNodes function. You should be able to specify region as box in which you need node IDs. Regards, Ravi
environ 2 ans il y a | 0
How to mesh mutliple objects?
This example might work for you!
environ 2 ans il y a | 0
| A accepté
Unable to resolve the name results.NodalSolution.
You have a typo. It should be u=result.NodalSolution; not u=results.NodalSolution; Regards, Ravi
environ 2 ans il y a | 0
| A accepté
PDE: modal analysis two bodies - possible?
Hi Rober, Your mass density seems to be off. If you are using SI units, as it appears from Young's moduls, mass density must b...
environ 2 ans il y a | 1
| A accepté
PDE toolbox, specifying coefficients, error telling me "Function specifying a coefficient must accept two input arguments and return one output argument."
The function "fcoeffunction", does not have definitions of e, L, C, mu, r, o, etc. in its scope. Move the definitions in the beg...
plus de 2 ans il y a | 0
Issue with STL geometry and pde toolbox
Check the dimensions of the expoerted geometry. Some tools export by default in mm, you mght be seeing many more frequenceis if ...
plus de 2 ans il y a | 0
| A accepté
Thermal contact resistance in PDE toolbox
Hi Luca, Interface conditions like thermal contact resistance are not yet supported in PDE Toolbox. Regards, Ravi
plus de 2 ans il y a | 0
Set non-constant boundary condition proportional to solution at that point and time
Hi Ollie, The function you have written does exactly what you describe. What is the issue you are encountering? Regards, Ra...
plus de 2 ans il y a | 0
| A accepté
Transient thermal model (PDE Toolbox) failing to solve due to time dependent heat flux and ambient temperature. "Unable to meet integration tolerance."
Hi Kevin, Make sure your geometry from STL is in SI units too as you have properties specified in SI units. I don't see anythi...
plus de 2 ans il y a | 0
| A accepté
Transient heat flux boundary condition in PDE toolbox
Based on what you describe, it appears you are assigning heat flux on an interior edge. These are not boundaries of the domain s...
plus de 2 ans il y a | 0
| A accepté
PDE Toolbox FEA Units
Hello Colton, You are right, PDE Toolbox does not have any units. Two things you can check again: You save E as 10300000 psi i...
plus de 2 ans il y a | 0
PDE TOOLBOOX heat transfer error
You are overwriting modelc immediately after creating the thermal model. Remove the second line: modelc = createpde
plus de 2 ans il y a | 0
| A accepté
Can I use the figure’Blade.stl’ file provided in PDE Toolbox for publication (copyright)?
Please contact Customer Support here: https://www.mathworks.com/support/contact_us.html Regards, Ravi
plus de 2 ans il y a | 0
Interpolating at centroid of a tetrahedral mesh
You can use interpolateSolution if you are using equation based interfaces to setup the problem. If you are solving a structural...
plus de 2 ans il y a | 0
Radiation heat transfer using PDE toolbox
Hi Ruben, Thanks for the code, it helped. All the BCs inside RadandConv == 1 block are applied on the edges that are interior ...
plus de 2 ans il y a | 0
Finite Element Analysis in Matlab with user-defined elements?
You can define user defined functions of space, time, and solution using PDE Toolbox generic workflow, check out the following l...
plus de 2 ans il y a | 0
Boundary Condition for 3-D Poisson's Equation using PDE Toolbox
You need BC for all three equations. You might want to try u as [0;0;0] or other appropriate vector of 3 rows, where each row co...
plus de 2 ans il y a | 1
| A accepté
How can I extend the functionality of PDE tool box
Hi Jammi, You might want to explore the generic equation based workflow that solves the equations that can be cast into the sup...
plus de 2 ans il y a | 1
I can't use "structuralProperties" in PDE toolbox
Change the line: thePde = createpde(); to thePde = createpde('structural'); By default, createpde returns a model that has...
plus de 2 ans il y a | 0
| A accepté
Plotting points from a 3D model onto a 2D graph
You can interpolate the temperatures at (x,y) coorinates over time and plot them. Refer to interpolateTemperatue function. Rega...
plus de 2 ans il y a | 0
| A accepté
Interpolation of the results from the PDE toolbox and the spatial differentiation of the solution
You can do this using interpolateSolution and evaluateGradients. Regards, Ravi
plus de 2 ans il y a | 1
| A accepté
You can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)
Asia Pacific
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)