Questions tagged [boundary]
The boundary tag has no usage guidance.
boundary
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Boundary сonditions specified in different domains
I am modeling mass transport phenomena involving convection and diffusion within a two-dimensional box. The box has a height ranging from 0 to h along the y-axis and is divided into two domains along ...
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find all the separated regions shown in the right figure, and calculate the area of each of them
I have the matlab code of using gauss random field equation, which generates two-phase composites, and I can get the boundary of it. I want to find all the separated regions, shown in the black and ...
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Seeking Solutions for Disabling the Guardian Boundary in MR Games on Quest 3
We're currently developing a mixed-reality (MR) game for the Oculus Quest 3, which involves physical movement within a real-world space. To enhance immersion, we utilize the passthrough feature ...
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Constraint two coaxial rods for FEA using ABAQUS CAE, where the outer and inner can rotate vertically and also the inner one can move axially
I am trying to constraint two coaxial (X direction) rods for FEA using ABAQUS CAE.
Boundary Conditions are: the outer and the inner rod can rotate vertically (Y direction), but the inner can move ...
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How can I implement an specific boundary condition in COMSOL?
I am trying to implement some boundary conditions in my model to simulate displacement currents "J" due to migration in an electric field. According to the literature, I have to implement ...
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IDW Interpolation of point rainfall data using Python
I am trying to plot the interpolation maps in Python for the point rainfall data. I have given the shapefile of the study area as my extent boundary for the interpolation, however, the code only gives ...
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Find a concave hull of an array of integer points on a grid
I have arrays of thousands of points on an integer grid. I'm looking for a fast way of finding a concave hull for the points. Points are adjacent if they are 1 unit away in any cardinal direction. I ...
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Lower and Upper bound in postgresql
We have column A with values 10,20,30 etc and column B with values as 6,12,18,24,etc.Both columns are different in 2 different tables.I want to calculate the upper and low bound for values in col A.
e....
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solve pde with BC in python
I have this partial differential equation ut=0; with this boundary condition: u(x,0)=x
and I want to solve it with pdsolve in python
from sympy import *
from sympy.abc import x, t # x and y are the ...
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Pyspark Window using dates as boundary
I have a challenge in pyspark and I haven't really been able to find a good solution so far.
I need to sum values of six months for each line.
E.g.
Lets assume I have this:
ID
DATE
VALUE
1
2023-04-...
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Outline of the Ear needed using "boundary" function of matlab
I am trying to work work with a 3D head mesh data which is in .PLY formart. My goal is to extract certain features of this 3D head mesh like head and Ear parameters. I have attached one image of this ...
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f=sym('f',[1 4]) q=zeros(1,4) for i=0:3 f(1,i+1) = (@(x)(exp(-x).*(x.^0.5).*x.*laguerreL(i,0.5,x))) %g(1,i+1)=quadgk(f(1,i+1),0,1) end
what is the problem of this code?
please discribe the problem for me
f=sym('f',[1 4]) q=zeros(1,4) for i=0:3 f(1,i+1) = (@(x)(exp(-x).*(x.^0.5).*x.*laguerreL(i,0.5,x))) %g(1,i+1)=quadgk(f(1,i+1),0,1) ...
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How can I plot a colormap with discrete intervals in xarray and avoid Error Passing a Normalize instance simultaneously with vmin/vmax not supported
I want to get a plot a colormap with discrete intervals, each interval associated to a color. My dataset is in xarray and works well. I tried the code below but I get the following error. I tried with ...
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How to write the constraints for scipy SLSQP properly
I am trying to write an optimization code with constraints using SLSQP method. But I can't understand it enough to write the proper codes for constraints.
Lets say we have a function f, with p ...
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How to implement Conway’s Game of Life using a quadtree in Java?
I am trying to implement Conway’s Game of Life using a quadtree data structure in Java. I have a QuadTree class that stores points in a two-dimensional space, and each point has a Cell object as its ...
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