List questions from wave-equation

Published on 11 Apr 2026 - 22:25

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Wave problem $u_{tt}=u_{xx}-u_t, 0\le x\le 2\pi$ with $u(x,0)=\phi(x)$, $u_t(x,0)=\psi(x)$ and $u(0,t)=u(2\pi,t)=0$

Published on 16 Apr 2026 - 17:38

892

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Solving semi-infinite wave equation.

Published on 11 Apr 2026 - 0:29

955

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Solving the wave-equation using a Fourier-transformation

Published on 09 Apr 2026 - 16:45

392

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Compatibility conditions for the wave equation with boundaries

Published on 11 Apr 2026 - 1:45

102

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Wave equation of fluid over substrate of variable height? [Reference Request]

Published on 10 May 2026 - 15:45

49

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Under what sufficient conditions we have $\nabla^2g-\frac {\partial^2g}{\partial t^2}=-f$?

Published on 16 Apr 2026 - 6:14

489

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Waves in spaces of even dimension

Published on 14 Apr 2026 - 15:32

1.7k

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Sine function - merry-go-round

Published on 10 Apr 2026 - 21:47

149

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Relation between second derivatives and mixed derivatives

Published on 11 Apr 2026 - 18:08

98

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Wave function - BVP

Published on 11 Apr 2026 - 16:04

52

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Separation of variables and non-constant boundaries?

Published on 25 Mar 2026 - 6:04

469

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How to understand the Duhamel's principle

Published on 10 Apr 2026 - 3:58

80

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Confused by a section in the introduction to Hormanders first PDE book?

Published on 12 Apr 2026 - 21:39

511

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List of solutions to the wave equation in three dimensions

Published on 08 Apr 2026 - 20:45

List Question

An a priori energy estimate for non-homogeneous wave equation

Wave problem $u_{tt}=u_{xx}-u_t, 0\le x\le 2\pi$ with $u(x,0)=\phi(x)$, $u_t(x,0)=\psi(x)$ and $u(0,t)=u(2\pi,t)=0$

Solving semi-infinite wave equation.

Solving the wave-equation using a Fourier-transformation

Compatibility conditions for the wave equation with boundaries

Wave equation of fluid over substrate of variable height? [Reference Request]

Under what sufficient conditions we have $\nabla^2g-\frac {\partial^2g}{\partial t^2}=-f$?

Waves in spaces of even dimension

Sine function - merry-go-round

Relation between second derivatives and mixed derivatives

Wave function - BVP

Separation of variables and non-constant boundaries?

How to understand the Duhamel's principle

Confused by a section in the introduction to Hormanders first PDE book?

List of solutions to the wave equation in three dimensions

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