Tensor algebra - invariants 03 - tensor calculus - tensor ...
03 - tensor calculus tensor analysis
03 - tensor calculus
1
tensor algebra - trace
? trace of second order tensor
? properties of traces of second order tensors
tensor algebra - invariants
? (principal) invariants of second order tensor
? derivatives of invariants wrt second order tensor
tensor calculus
2
tensor algebra - determinant
? determinant of second order tensor
? properties of determinants of second order tensors
tensor calculus
3
tensor calculus
4
tensor algebra - determinant
? determinant defining vector product
? determinant defining scalar triple product
tensor calculus
5
tensor algebra - spectral decomposition
? eigenvalue problem of second order tensor
? solution
in terms of scalar triple product
? characteristic equation
? spectral decomposition ? cayleigh hamilton theorem
tensor calculus
7
tensor algebra - inverse
? inverse of second order tensor in particular
? adjoint and cofactor
? properties of inverse
tensor calculus
6
tensor algebra - sym/skw decomposition
? symmetric - skew-symmetric decomposition ? symmetric and skew-symmetric tensor ? symmetric tensor ? skew-symmetric tensor
tensor calculus
8
tensor algebra - symmetric tensor
? symmetric second order tensor ? processes three real eigenvalues and corresp.eigenvectors
? square root, inverse, exponent and log
tensor calculus
9
tensor algebra - vol/dev decomposition
? volumetric - deviatoric decomposition ? volumetric and deviatoric tensor ? volumetric tensor ? deviatoric tensor
tensor calculus
11
tensor algebra - skew-symmetric tensor
? skew-symmetric second order tensor
? processes three independent entries defining axial vector such that
? invariants of skew-symmetric tensor
tensor calculus
10
tensor algebra - orthogonal tensor
? orthogonal second order tensor
? decomposition of second order tensor
such that
and
? proper orthogonal tensor
has eigenvalue
with
interpretation: finite rotation around axis
tensor calculus
12
tensor analysis - frechet derivative
? consider smooth differentiable scalar field with
scalar argument vector argument tensor argument
? frechet derivative (tensor notation)
scalar argument
vector argument
tensor argument
tensor calculus
13
tensor analysis - gradient
? consider scalar- and vector field in domain
? gradient of scalar- and vector field
renders vector- and 2nd order tensor field
tensor calculus
15
tensor analysis - gateaux derivative
? consider smooth differentiable scalar field with
scalar argument vector argument tensor argument
? gateaux derivative,i.e.,frechet wrt direction (tensor notation)
scalar argument
vector argument
tensor argument
tensor calculus
14
tensor analysis - divergence
? consider vector- and 2nd order tensor field in domain
? divergence of vector- and 2nd order tensor field
renders scalar- and vector field
tensor calculus
16
tensor analysis - laplace operator
? consider scalar- and vector field in domain
? laplace operator acting on scalar- and vector field
renders scalar- and vector field
tensor calculus
17
tensor analysis - transformation formulae
? consider scalar,vector and 2nd order tensor field on
? useful transformation formulae (index notation)
tensor calculus
19
tensor analysis - transformation formulae
? consider scalar,vector and 2nd order tensor field on
? useful transformation formulae (tensor notation)
tensor calculus
18
tensor analysis - integral theorems
? consider scalar,vector and 2nd order tensor field on
? integral theorems (tensor notation)
tensor calculus
green gauss gauss
20
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