proposition 30.57 Bending waves are dispersive

open in the book · parts/03-classical-mechanics/13-continuum-elasticity.tex:2090 · p. 1030

Rests on

depends_on definition 9.2 Linear equation; homogeneity ¶
- depends_on definition 9.1 Ordinary differential equation ¶
depends_on theorem 30.56 The beam equation ¶
- depends_on proposition 30.51 Moment and curvature ¶
  - depends_on definition 30.31 The engineering moduli ¶
    - depends_on definition 30.20 Pressure and deviatoric stress ¶
      - depends_on proposition 30.19 The stress tensor is symmetric ¶
      - depends_on theorem 5.79 Spectral theorem for a self-adjoint operator ¶
    - depends_on equation 30.21 eq:elast-hooke-isotropic ¶
  - depends_on equation 30.21 eq:elast-hooke-isotropic ¶ ↺
  - proves proof ch:13-continuum-elasticity@proof-27 ¶
- depends_on theorem 16.38 Euler–Poisson equation ¶
  - depends_on corollary 7.44 Substitution and integration by parts ¶
    - depends_on proposition 7.31 Chain rule ¶
      - depends_on definition 7.13 Composite function ¶
      - depends_on proposition 7.27 Differentiable implies continuous ¶
      - depends_on proposition 7.6 Algebra of limits ¶
      - proves proof ch:05-real-analysis@proof-15 ¶
    - depends_on proposition 7.30 Leibniz rule ¶
      - depends_on definition 7.12 Product of functions ¶
      - depends_on equation 7.14 eq:ana-derivh ¶
      - depends_on proposition 7.27 Differentiable implies continuous ¶ ↺
      - depends_on proposition 7.6 Algebra of limits ¶ ↺
      - proves proof ch:05-real-analysis@proof-14 ¶
    - depends_on theorem 7.43 Fundamental theorem of calculus, II ¶
      - depends_on definition 7.41 Antiderivative ¶
      - depends_on theorem 7.42 Fundamental theorem of calculus, I ¶
      - proves proof ch:05-real-analysis@proof-25 ¶
    - proves proof ch:05-real-analysis@proof-26 ¶
  - depends_on equation 16.15 eq:calcvar-first-variation ¶
  - depends_on lemma 16.18 Fundamental lemma ¶
    - depends_on definition 16.15 Variation; the first variation ¶
      - depends_on definition 16.11 Admissible class; functional ¶
      - depends_on equation 7.177 eq:ana-functional-derivative ¶
    - depends_on theorem 7.40 Continuous functions are integrable ¶
      - depends_on definition 7.39 Darboux sums and the definite integral ¶
      - depends_on theorem 7.24 Extreme value theorem ¶
      - depends_on theorem 7.25 Heine–Cantor: uniform continuity ¶
      - proves proof ch:05-real-analysis@proof-23 ¶
    - proves proof ch:14-calculus-of-variations@proof-8 ¶
  - proves proof ch:14-calculus-of-variations@proof-21 ¶
- proves proof ch:13-continuum-elasticity@proof-29 ¶
proves proof ch:13-continuum-elasticity@proof-30 ¶

Supports

depends_on example 30.58 A steel ruler ¶
depends_on remark 30.59 Where Euler–Bernoulli fails ¶

Neighborhood

Every logical edge within two steps of this node.

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partly declared
a check failed
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Edges

type	direction	node	provenance	where
`depends_on`	→	Linear equation; homogeneity	declared	parts/03-classical-mechanics/13-continuum-elasticity.tex:2103
`depends_on`	→	The beam equation	declared	parts/03-classical-mechanics/13-continuum-elasticity.tex:2103
`depends_on`	←	A steel ruler	declared	parts/03-classical-mechanics/13-continuum-elasticity.tex:2144
`depends_on`	←	Where Euler–Bernoulli fails	declared	parts/03-classical-mechanics/13-continuum-elasticity.tex:2165
`proves`	←	ch:13-continuum-elasticity@proof-30	declared	parts/03-classical-mechanics/13-continuum-elasticity.tex:2106