About the mathematics category


0

164

January 15, 2020

Imposing bcs using Lagrange Multiplier


1

38

January 17, 2022

Extracting solution at the domain boundaries


2

49

January 17, 2022

How to choose the optimal solver for a PDE problem?


0

34

January 14, 2022

Which finite element to use?


2

75

January 14, 2022

Higher order interelement continuity  e.g. Hermite or Spline interpolation in Fenics


2

49

January 7, 2022

How to Get Drag and Lift Coefficients for Flow Around a Cylinder


11

267

December 30, 2021

Surfacetosurface radiation in FENiCS


0

42

December 6, 2021

Adjoint equation


1

81

December 2, 2021

Pressure Singularity  Boundary layer problem


2

140

November 22, 2021

Fourier Transform of a function


0

51

November 9, 2021

Theta scheme for 1D wave equation


3

185

November 2, 2021

Unsure about vorticity boundary condition in steady Stokes flow past sphere


0

58

October 28, 2021

Solving coupled partial differential equations, error grows with domain size


0

60

October 19, 2021

Definition of coupled Neumann boundary condition


0

53

October 18, 2021

Roundoff errors relative to mesh size and polynomial order


2

89

October 13, 2021

Integrate a field quantity along a line in 3D


1

118

October 13, 2021

Stream function based solution to Stokes equation


3

94

October 5, 2021

Stokes equations in 2D spherical axisymmetric coordinates


0

80

October 4, 2021

2D heattransfer (conduction/Laplacian/Poisson) in spherical annulus, axisymmetric spherical coordinates


3

162

October 4, 2021

Error while trying to find the derivative of userdefined expression ["ufl.log.UFLException: Cannot determine geometric dimension from expression."]


2

106

September 14, 2021

Unable to set low tolerance for picking points on boundary, [Warning: Found no facets matching domain for boundary condition]


2

127

September 10, 2021

1D heattransfer in spherical annulus, encountering "Can't add expressions with different shapes"


2

90

September 6, 2021

Convergence test for FEM simulation for wave equation with nonuniform velocity


0

68

August 30, 2021

Searching for an energy saving numerical method


0

80

August 23, 2021

How to see if form is coercive numerically?


5

179

August 12, 2021

Contact of hyperelastic with rigid body diverges by iteration 0


2

186

July 28, 2021

Evaluation of grad function in Dolfin


2

220

July 26, 2021

Recommended textbooks


2

185

July 15, 2021

Exact evaluation of source terms


4

96

July 9, 2021
