python (65.1k questions)

javascript (44.2k questions)

reactjs (22.7k questions)

java (20.8k questions)

c# (17.4k questions)

html (16.3k questions)

r (13.7k questions)

android (12.9k questions)

Questions - fipy

Having trouble solving Population balance PDE in FiPy

I am a beginner in using FiPy and also in working with Finite Volume Methods in general. So please forgive me if my questions are naïve I am trying to solve a population balance equation of the form P...
test-img

veeman

python

numerical-methods

pde

fipy

Votes: 0

Answers: 1

Latest Answer

Your script has several problems: --------------------------------------------------------------------------- AttributeError Traceback (most recent call last) Input In [1], ...
test-img

jeguyer

Chosen dt in sweep in FiPy package changes time domain of solution?

I am currently trying to solve a large PDE system with 18 PDEs and ODEs (which is why I use FiPy and not odeint from scipy). One of the equations is quite simple: dROS/dt = 0.06 which I implemented as...
test-img

Yifat Haddad

python

ode

fipy

Votes: 0

Answers: 1

Latest Answer

[Answered on GitHub. Please ask in one location or the other, but not both] You are taking 3650 steps of size 1e-5, for a total duration of 3.65e-2, so I would expect ROS to be 0.00219 at the end, whi...
test-img

jeguyer

FiPy Solving Couple PDEs Results in IndexError

I am new to FiPy and am trying to solve a pair of coupled PDEs describing adsorption of a material to an adsorbent packed in a cylinder. The material is flowing through the cylinder and its concentrat...
test-img

kcast49

python

pde

fipy

Votes: 0

Answers: 1

Latest Answer

The error is very likely because cm and cs have 50 cells, leading to cs_gradValueRight having 50 cells. mesh_s.facesRight accesses 51 faces, though, so cs.faceGrad.constrain(cs_gradValueRight, mesh_s....
test-img

jeguyer

Posts

Questions

Blogs

Jobs