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Kaveh Gharibi


Active since 2016

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Structured mesh in MATLAB PDE toolbox
I found a way to create an structured quadratic mesh. They way I do it is as follows. For example if I have a rectangle. I divi...

7 years ago | 0 answers | 0

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answers

Question


Creating custom mesh in Matlab PDE toolbox
I have 2 questions. 1-Why generatemesh in Matlab PDE does not allow to create custom mesh? I can not use legacy workflow like...

7 years ago | 0 answers | 1

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answers

Question


Matlab non Linear PDE convergence
Why Matlab PDE non linear is converging so slow in some problems. Is it because the function is singular at the optimal? How can...

7 years ago | 0 answers | 0

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answers

Question


C coefficients in PDE toolbox on different domains
I am solving a system of 3 PDE on a domain and I managed to do it successfully when my coefficient are the same on the whole dom...

7 years ago | 1 answer | 0

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answer

Question


Non linear PDE toolbox does not converge
I am solving a system of non linear PDEs with Diritchlet BCs. The non linear solver does not converge,. Its residual is .12 inst...

7 years ago | 0 answers | 0

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answers

Question


Error using pde.EquationModel/solveStationaryNonlinear (line 104) Stepsize too small.
I am solving this system of PDEs with diritchlet boundry conditions and It does not converge, and gives me this error. Erro...

7 years ago | 1 answer | 0

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answer

Question


non constant PDE toolbox coefficients with second order derivatives.
I need to specify coefficients in PDE tool box. My coefficients are related to the second derivatives not first derivatives. Can...

7 years ago | 1 answer | 0

1

answer

Question


Can PDE tool box solve first order PDE s
I have a system of PDEs and two of them are second order and one of them is first order. Matlab PDE toolbox has a specific forma...

7 years ago | 0 answers | 0

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Answered
How to read a .f06 file in MATLAB ?
I created a Matlab function that is getting the f06 and reads the data line by line in a while loop and then uses textscan() to ...

7 years ago | 2

Question


Invalid geometry detected. Edges overlap or intersect at non-end points.
I get this error from generate Mesh but decsg is working with out error and the geometry is created. Could you please let me ...

7 years ago | 0 answers | 0

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Question


Error using pde.PDE Results (line 55)Second argument must be a valid solution from a PDE Toolbox solver function.
Does anyone know what is this error that I get from the function solvepde(pde)

8 years ago | 1 answer | 0

1

answer

Question


Matlab PDE symmetric mesh
Is there a way to mesh something symmetric to an axis for example x axis? I really need to to do this to get the correct stress ...

8 years ago | 0 answers | 0

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answers

Question


Output argument "dl1" (and maybe others) not assigned during call to "decsg".
Hi, What is this error ? I get it when I use PDE tool box. Thank you.

8 years ago | 2 answers | 0

2

answers

Question


PDE toolbox c coefficient
*Hi I have two PDE equations and I want to solve them using Matlab PDE and I don't know how to find C because it is very confu...

8 years ago | 1 answer | 0

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Question


poly2cw does not change the order of these points on this simple rectangle to clockwise. Could you please help me, I really need to fix this.
Xs{1}=[ 0 1 1 1 0 1] Ys{1}=[1.0000 1.0000 0.0101 ...

8 years ago | 0 answers | 0

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Question


poly2cw doesn't work for this simple rectangle. I have an example here. Could you please check this code?
Xs{1}=[ 0 1 1 1 0 1] Ys{1}=[1.0000 1.0000 0.0101 ...

8 years ago | 2 answers | 1

2

answers

Question


poly2cw doesn't work for this simple rectangle. I have an example here. Could you please check this code?
Xs{1}=[ 0 1 1 1 0 1] Ys{1}=[1.0000 1.0000 0.0101 ...

8 years ago | 0 answers | 0

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answers

Question


I get this error in PDE toolbox, I don't know why.
Error using pdevoron (line 30) Geometry error. Error in pderespe (line 126) [p,t,c,h]=pdevoron(p,t,c,h,x,y,tol,Hmax,Hgrad...

8 years ago | 2 answers | 0

2

answers

Question


How can I fix this error "Error using pde.PDEModel/geometryFromEdges (line 46) Assemblies of more than one geometric model are not currently supported. “ ?
I use Matlab PDE toolbox and I get this error in my code. How can I fix this error? "Error using pde.PDEModel/geometryFromEd...

8 years ago | 1 answer | 0

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