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Jorge Garcia Garcia


Last seen: 29 days 前 |  自 2022 起处于活动状态

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统计学

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Doubt with reduction of mass and stiffness matrices in a system of 2 pdes
it makes sense that M12 and M11 are empty as there is just a m component in the second partial diferential equation. I will chec...

2 months 前 | 0

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Doubt with reduction of mass and stiffness matrices in a system of 2 pdes
hello, I have this code: clear all; clc; %---------Accelerators sensitivities--------------------------------------- sens0...

2 months 前 | 2 个回答 | 0

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code does not call a designed function that works in other program
Hello and sorry for this long query. I am not very good at this , I have to admit it. I am encountering an issue when trying to...

4 months 前 | 0 个回答 | 0

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Obtain natural frequencies of a structural model.
I have created a mechanical model: modelTwoDomain = createpde("structural", "transient-planestress"); structuralProperties(mo...

1 year 前 | 1 个回答 | 0

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natural frequencies of the system
sorry.. this is a very silly question. I saw somewhere how to look at the natural frequencies of a system defined as modelpde ...

1 year 前 | 1 个回答 | 0

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for loop and function handle
Hello, I would really appreciate an answer as this is driving me crazy. I have a system of PDE, and I have a plate geometry. I...

1 year 前 | 1 个回答 | 0

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已回答
Can someone tell how to use state.time, state.u simultaneously?
I am also having some issues with state.time. I have 5 time instances and it seems just to read 0 and a randon number.. then it ...

1 year 前 | 1

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boundary conditions and solvepde
Hello again and hope someone can guide me. I have different edges of a plate, and those edges have different boundary condition...

1 year 前 | 1 个回答 | 0

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已回答
Matlab pde toolbox, transient thermal model: state.time-values, used as input for a time-dependent internal heat source do not correspond to defined tlist-values
I have a similar problem with a mechanical time dependant problem returning NaN in some state.time. if you find a solution, let...

1 year 前 | 1

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boundary conditions in PDE
I have a time dependant PDE system: syms pres syms u1(x,y,t) u2(x,y,t) pdeeq = [-laplacian(u1,[x y])+u2; D*laplacian(u2,[x ...

1 year 前 | 1 个回答 | 0

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Create pde as structural dynamic problem
Hello all again: I have a system of PDEs described as follows: syms pres syms u1(x,y,t) u2(x,y,t) pdeeq = [-laplacian(u1,[x...

1 year 前 | 1 个回答 | 0

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Craig bampton model reduction
Hello all. I have a pde model with the following characteristics: PDESystemSize: 2 IsTimeDependent: 1 G...

1 year 前 | 1 个回答 | 0

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Boundary conditions: mechanical system
first of all, sorry if the question is silly, again my inexperience: I have this code: T=0.05 for j = 1:numel(edges) edg...

1 year 前 | 1 个回答 | 0

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interpolateSolution for a system of time dependent PDEs
Hello and sorry again if the question is silly. I have a system of 2 PDEs. I solved them using the command: res=solvepde(mo...

1 year 前 | 1 个回答 | 0

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problems with C/C++ compiler. Matlab R2022b
Hello. I downloaded the suggested app (cannot honestly remember the name) and then in the command window i typed: mex -setup ...

1 year 前 | 1 个回答 | 0

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function handle as boundary condition
sorry if this is a very silly question as I am quite new using matlab. So I apologise in advance. I have a vector with accelera...

1 year 前 | 1 个回答 | 0

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edge numbering in matrix dl and pde model
Hello, I have a question. I obtain the matrix dl with the function decsg [dl,bt] = decsg(gdm); In dl the index column corresp...

1 year 前 | 1 个回答 | 0

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boundary conditions in nodes of a plate
I have defined a mesh and different subdomains. These may change depending of the number of regions that I need to create, there...

1 year 前 | 1 个回答 | 0

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I need to align 3 signals by cross correlation
I have 3 signals. I am using the code in https://uk.mathworks.com/help/signal/ug/align-signals-using-cross-correlation.html. My ...

2 years 前 | 1 个回答 | 0

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